#include <linux/ctype.h>
#include <linux/slab.h>
#include <linux/of.h>
- ---#include <linux/gpio.h>
- ---#include <linux/of_gpio.h>
- ---#include <sound/ac97_codec.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
module_param(pmdown_time, int, 0);
MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)");
- ---struct snd_ac97_reset_cfg {
- --- struct pinctrl *pctl;
- --- struct pinctrl_state *pstate_reset;
- --- struct pinctrl_state *pstate_warm_reset;
- --- struct pinctrl_state *pstate_run;
- --- int gpio_sdata;
- --- int gpio_sync;
- --- int gpio_reset;
- ---};
- ---
/* returns the minimum number of bytes needed to represent
* a particular given value */
static int min_bytes_needed(unsigned long val)
{
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
---- debugfs_create_bool("cache_sync", 0444, codec->component.debugfs_root,
---- &codec->cache_sync);
----
codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
codec->component.debugfs_root,
codec, &codec_reg_fops);
}
EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
- ---#ifdef CONFIG_SND_SOC_AC97_BUS
- ---/* unregister ac97 codec */
- ---static int soc_ac97_dev_unregister(struct snd_soc_codec *codec)
- ---{
- --- if (codec->ac97->dev.bus)
- --- device_unregister(&codec->ac97->dev);
- --- return 0;
- ---}
- ---
- ---/* stop no dev release warning */
- ---static void soc_ac97_device_release(struct device *dev){}
- ---
- ---/* register ac97 codec to bus */
- ---static int soc_ac97_dev_register(struct snd_soc_codec *codec)
- ---{
- --- int err;
- ---
- --- codec->ac97->dev.bus = &ac97_bus_type;
- --- codec->ac97->dev.parent = codec->component.card->dev;
- --- codec->ac97->dev.release = soc_ac97_device_release;
- ---
- --- dev_set_name(&codec->ac97->dev, "%d-%d:%s",
- --- codec->component.card->snd_card->number, 0,
- --- codec->component.name);
- --- err = device_register(&codec->ac97->dev);
- --- if (err < 0) {
- --- dev_err(codec->dev, "ASoC: Can't register ac97 bus\n");
- --- codec->ac97->dev.bus = NULL;
- --- return err;
- --- }
- --- return 0;
- ---}
- ---#endif
- ---
static void codec2codec_close_delayed_work(struct work_struct *work)
{
/* Currently nothing to do for c2c links
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
---- struct snd_soc_platform *platform = card->rtd[i].platform;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- --- if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control)
+ +++ if (cpu_dai->driver->suspend && !cpu_dai->driver->bus_control)
cpu_dai->driver->suspend(cpu_dai);
---- if (platform->driver->suspend && !platform->suspended) {
---- platform->driver->suspend(cpu_dai);
---- platform->suspended = 1;
---- }
}
/* close any waiting streams and save state */
SND_SOC_DAPM_STREAM_SUSPEND);
}
---- /* Recheck all analogue paths too */
---- dapm_mark_io_dirty(&card->dapm);
++++ /* Recheck all endpoints too, their state is affected by suspend */
++++ dapm_mark_endpoints_dirty(card);
snd_soc_dapm_sync(&card->dapm);
/* suspend all CODECs */
if (codec->driver->suspend)
codec->driver->suspend(codec);
codec->suspended = 1;
---- codec->cache_sync = 1;
if (codec->component.regmap)
regcache_mark_dirty(codec->component.regmap);
/* deactivate pins to sleep state */
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- --- if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control)
+ +++ if (cpu_dai->driver->suspend && cpu_dai->driver->bus_control)
cpu_dai->driver->suspend(cpu_dai);
/* deactivate pins to sleep state */
if (card->resume_pre)
card->resume_pre(card);
- --- /* resume AC97 DAIs */
+ +++ /* resume control bus DAIs */
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- --- if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control)
+ +++ if (cpu_dai->driver->resume && cpu_dai->driver->bus_control)
cpu_dai->driver->resume(cpu_dai);
}
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
---- struct snd_soc_platform *platform = card->rtd[i].platform;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- --- if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control)
+ +++ if (cpu_dai->driver->resume && !cpu_dai->driver->bus_control)
cpu_dai->driver->resume(cpu_dai);
---- if (platform->driver->resume && platform->suspended) {
---- platform->driver->resume(cpu_dai);
---- platform->suspended = 0;
---- }
}
if (card->resume_post)
/* userspace can access us now we are back as we were before */
snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0);
---- /* Recheck all analogue paths too */
---- dapm_mark_io_dirty(&card->dapm);
++++ /* Recheck all endpoints too, their state is affected by suspend */
++++ dapm_mark_endpoints_dirty(card);
snd_soc_dapm_sync(&card->dapm);
}
int snd_soc_resume(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
- --- int i, ac97_control = 0;
+ +++ bool bus_control = false;
+ +++ int i;
/* If the card is not initialized yet there is nothing to do */
if (!card->instantiated)
}
}
- --- /* AC97 devices might have other drivers hanging off them so
- --- * need to resume immediately. Other drivers don't have that
- --- * problem and may take a substantial amount of time to resume
+ +++ /*
+ +++ * DAIs that also act as the control bus master might have other drivers
+ +++ * hanging off them so need to resume immediately. Other drivers don't
+ +++ * have that problem and may take a substantial amount of time to resume
* due to I/O costs and anti-pop so handle them out of line.
*/
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- --- ac97_control |= cpu_dai->driver->ac97_control;
+ +++ bus_control |= cpu_dai->driver->bus_control;
}
- --- if (ac97_control) {
- --- dev_dbg(dev, "ASoC: Resuming AC97 immediately\n");
+ +++ if (bus_control) {
+ +++ dev_dbg(dev, "ASoC: Resuming control bus master immediately\n");
soc_resume_deferred(&card->deferred_resume_work);
} else {
dev_dbg(dev, "ASoC: Scheduling resume work\n");
list_for_each_entry(component, &component_list, list) {
if (dlc->of_node && component->dev->of_node != dlc->of_node)
continue;
---- if (dlc->name && strcmp(dev_name(component->dev), dlc->name))
++++ if (dlc->name && strcmp(component->name, dlc->name))
continue;
list_for_each_entry(dai, &component->dai_list, list) {
if (dlc->dai_name && strcmp(dai->name, dlc->dai_name))
return 0;
}
----static int soc_probe_codec_dai(struct snd_soc_card *card,
---- struct snd_soc_dai *codec_dai,
---- int order)
++++static int soc_probe_dai(struct snd_soc_dai *dai, int order)
{
int ret;
---- if (!codec_dai->probed && codec_dai->driver->probe_order == order) {
---- if (codec_dai->driver->probe) {
---- ret = codec_dai->driver->probe(codec_dai);
++++ if (!dai->probed && dai->driver->probe_order == order) {
++++ if (dai->driver->probe) {
++++ ret = dai->driver->probe(dai);
if (ret < 0) {
---- dev_err(codec_dai->dev,
---- "ASoC: failed to probe CODEC DAI %s: %d\n",
---- codec_dai->name, ret);
++++ dev_err(dai->dev,
++++ "ASoC: failed to probe DAI %s: %d\n",
++++ dai->name, ret);
return ret;
}
}
---- /* mark codec_dai as probed and add to card dai list */
---- codec_dai->probed = 1;
++++ dai->probed = 1;
}
return 0;
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
---- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int i, ret;
dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n",
card->name, num, order);
---- /* config components */
---- cpu_dai->platform = platform;
---- cpu_dai->card = card;
---- for (i = 0; i < rtd->num_codecs; i++)
---- rtd->codec_dais[i]->card = card;
----
/* set default power off timeout */
rtd->pmdown_time = pmdown_time;
---- /* probe the cpu_dai */
---- if (!cpu_dai->probed &&
---- cpu_dai->driver->probe_order == order) {
---- if (cpu_dai->driver->probe) {
---- ret = cpu_dai->driver->probe(cpu_dai);
---- if (ret < 0) {
---- dev_err(cpu_dai->dev,
---- "ASoC: failed to probe CPU DAI %s: %d\n",
---- cpu_dai->name, ret);
---- return ret;
---- }
---- }
---- cpu_dai->probed = 1;
---- }
++++ ret = soc_probe_dai(cpu_dai, order);
++++ if (ret)
++++ return ret;
/* probe the CODEC DAI */
for (i = 0; i < rtd->num_codecs; i++) {
---- ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order);
++++ ret = soc_probe_dai(rtd->codec_dais[i], order);
if (ret)
return ret;
}
}
}
- --- /* add platform data for AC97 devices */
- --- for (i = 0; i < rtd->num_codecs; i++) {
- --- if (rtd->codec_dais[i]->driver->ac97_control)
- --- snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97,
- --- rtd->cpu_dai->ac97_pdata);
--- }
---
--- return 0;
---}
---
---#ifdef CONFIG_SND_SOC_AC97_BUS
---static int soc_register_ac97_codec(struct snd_soc_codec *codec,
--- struct snd_soc_dai *codec_dai)
---{
--- int ret;
---
--- /* Only instantiate AC97 if not already done by the adaptor
--- * for the generic AC97 subsystem.
--- */
--- if (codec_dai->driver->ac97_control && !codec->ac97_registered) {
--- /*
--- * It is possible that the AC97 device is already registered to
--- * the device subsystem. This happens when the device is created
--- * via snd_ac97_mixer(). Currently only SoC codec that does so
--- * is the generic AC97 glue but others migh emerge.
--- *
--- * In those cases we don't try to register the device again.
--- */
--- if (!codec->ac97_created)
--- return 0;
---
--- ret = soc_ac97_dev_register(codec);
--- if (ret < 0) {
--- dev_err(codec->dev,
--- "ASoC: AC97 device register failed: %d\n", ret);
--- return ret;
--- }
---
--- codec->ac97_registered = 1;
--- }
--- return 0;
---}
---
---static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
---{
--- if (codec->ac97_registered) {
--- soc_ac97_dev_unregister(codec);
--- codec->ac97_registered = 0;
--- }
---}
---
---static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
---{
--- int i, ret;
---
--- for (i = 0; i < rtd->num_codecs; i++) {
--- struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
---
--- ret = soc_register_ac97_codec(codec_dai->codec, codec_dai);
--- if (ret) {
--- while (--i >= 0)
--- soc_unregister_ac97_codec(codec_dai->codec);
--- return ret;
--- }
- --- }
- ---
return 0;
}
- #ifdef CONFIG_SND_SOC_AC97_BUS
- static int soc_register_ac97_codec(struct snd_soc_codec *codec,
- struct snd_soc_dai *codec_dai)
- {
- int ret;
-
- /* Only instantiate AC97 if not already done by the adaptor
- * for the generic AC97 subsystem.
- */
- if (codec_dai->driver->ac97_control && !codec->ac97_registered) {
- /*
- * It is possible that the AC97 device is already registered to
- * the device subsystem. This happens when the device is created
- * via snd_ac97_mixer(). Currently only SoC codec that does so
- * is the generic AC97 glue but others migh emerge.
- *
- * In those cases we don't try to register the device again.
- */
- if (!codec->ac97_created)
- return 0;
-
- ret = soc_ac97_dev_register(codec);
- if (ret < 0) {
- dev_err(codec->dev,
- "ASoC: AC97 device register failed: %d\n", ret);
- return ret;
- }
-
- codec->ac97_registered = 1;
- }
- return 0;
- }
-
- static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
- {
- if (codec->ac97_registered) {
- soc_ac97_dev_unregister(codec);
- codec->ac97_registered = 0;
- }
- }
-
- static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
- {
- int i, ret;
-
- for (i = 0; i < rtd->num_codecs; i++) {
- struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
-
- ret = soc_register_ac97_codec(codec_dai->codec, codec_dai);
- if (ret) {
- while (--i >= 0)
- soc_unregister_ac97_codec(codec_dai->codec);
- return ret;
- }
- }
-
- return 0;
- }
-
- ---static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
- ---{
- --- int i;
- ---
- --- for (i = 0; i < rtd->num_codecs; i++)
- --- soc_unregister_ac97_codec(rtd->codec_dais[i]->codec);
- ---}
- ---#endif
- ---
static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
goto probe_aux_dev_err;
}
- ---#ifdef CONFIG_SND_SOC_AC97_BUS
- --- /* register any AC97 codecs */
- --- for (i = 0; i < card->num_rtd; i++) {
- --- ret = soc_register_ac97_dai_link(&card->rtd[i]);
- --- if (ret < 0) {
- --- dev_err(card->dev,
- --- "ASoC: failed to register AC97: %d\n", ret);
- --- while (--i >= 0)
- --- soc_unregister_ac97_dai_link(&card->rtd[i]);
- --- goto probe_aux_dev_err;
- --- }
- --- }
- ---#endif
- ---
card->instantiated = 1;
snd_soc_dapm_sync(&card->dapm);
mutex_unlock(&card->mutex);
.remove = soc_remove,
};
- ---/**
- --- * snd_soc_new_ac97_codec - initailise AC97 device
- --- * @codec: audio codec
- --- * @ops: AC97 bus operations
- --- * @num: AC97 codec number
- --- *
- --- * Initialises AC97 codec resources for use by ad-hoc devices only.
- --- */
- ---int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
- --- struct snd_ac97_bus_ops *ops, int num)
- ---{
- --- codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);
- --- if (codec->ac97 == NULL)
- --- return -ENOMEM;
- ---
- --- codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL);
- --- if (codec->ac97->bus == NULL) {
- --- kfree(codec->ac97);
- --- codec->ac97 = NULL;
- --- return -ENOMEM;
- --- }
- ---
- --- codec->ac97->bus->ops = ops;
- --- codec->ac97->num = num;
- ---
- --- /*
- --- * Mark the AC97 device to be created by us. This way we ensure that the
- --- * device will be registered with the device subsystem later on.
- --- */
- --- codec->ac97_created = 1;
- ---
- --- return 0;
- ---}
- ---EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec);
- ---
- ---static struct snd_ac97_reset_cfg snd_ac97_rst_cfg;
- ---
- ---static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97)
- ---{
- --- struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
- ---
- --- pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset);
- ---
- --- gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1);
- ---
- --- udelay(10);
- ---
- --- gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
- ---
- --- pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
- --- msleep(2);
- ---}
- ---
- ---static void snd_soc_ac97_reset(struct snd_ac97 *ac97)
- ---{
- --- struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
- ---
- --- pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset);
- ---
- --- gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
- --- gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0);
- --- gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0);
- ---
- --- udelay(10);
- ---
- --- gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1);
- ---
- --- pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
- --- msleep(2);
- ---}
- ---
- ---static int snd_soc_ac97_parse_pinctl(struct device *dev,
- --- struct snd_ac97_reset_cfg *cfg)
- ---{
- --- struct pinctrl *p;
- --- struct pinctrl_state *state;
- --- int gpio;
- --- int ret;
- ---
- --- p = devm_pinctrl_get(dev);
- --- if (IS_ERR(p)) {
- --- dev_err(dev, "Failed to get pinctrl\n");
- --- return PTR_ERR(p);
- --- }
- --- cfg->pctl = p;
- ---
- --- state = pinctrl_lookup_state(p, "ac97-reset");
- --- if (IS_ERR(state)) {
- --- dev_err(dev, "Can't find pinctrl state ac97-reset\n");
- --- return PTR_ERR(state);
- --- }
- --- cfg->pstate_reset = state;
- ---
- --- state = pinctrl_lookup_state(p, "ac97-warm-reset");
- --- if (IS_ERR(state)) {
- --- dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n");
- --- return PTR_ERR(state);
- --- }
- --- cfg->pstate_warm_reset = state;
- ---
- --- state = pinctrl_lookup_state(p, "ac97-running");
- --- if (IS_ERR(state)) {
- --- dev_err(dev, "Can't find pinctrl state ac97-running\n");
- --- return PTR_ERR(state);
- --- }
- --- cfg->pstate_run = state;
- ---
- --- gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0);
- --- if (gpio < 0) {
- --- dev_err(dev, "Can't find ac97-sync gpio\n");
- --- return gpio;
- --- }
- --- ret = devm_gpio_request(dev, gpio, "AC97 link sync");
- --- if (ret) {
- --- dev_err(dev, "Failed requesting ac97-sync gpio\n");
- --- return ret;
- --- }
- --- cfg->gpio_sync = gpio;
- ---
- --- gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1);
- --- if (gpio < 0) {
- --- dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio);
- --- return gpio;
- --- }
- --- ret = devm_gpio_request(dev, gpio, "AC97 link sdata");
- --- if (ret) {
- --- dev_err(dev, "Failed requesting ac97-sdata gpio\n");
- --- return ret;
- --- }
- --- cfg->gpio_sdata = gpio;
- ---
- --- gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2);
- --- if (gpio < 0) {
- --- dev_err(dev, "Can't find ac97-reset gpio\n");
- --- return gpio;
- --- }
- --- ret = devm_gpio_request(dev, gpio, "AC97 link reset");
- --- if (ret) {
- --- dev_err(dev, "Failed requesting ac97-reset gpio\n");
- --- return ret;
- --- }
- --- cfg->gpio_reset = gpio;
- ---
- --- return 0;
- ---}
- ---
- ---struct snd_ac97_bus_ops *soc_ac97_ops;
- ---EXPORT_SYMBOL_GPL(soc_ac97_ops);
- ---
- ---int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
- ---{
- --- if (ops == soc_ac97_ops)
- --- return 0;
- ---
- --- if (soc_ac97_ops && ops)
- --- return -EBUSY;
- ---
- --- soc_ac97_ops = ops;
- ---
- --- return 0;
- ---}
- ---EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops);
- ---
- ---/**
- --- * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions
- --- *
- --- * This function sets the reset and warm_reset properties of ops and parses
- --- * the device node of pdev to get pinctrl states and gpio numbers to use.
- --- */
- ---int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
- --- struct platform_device *pdev)
- ---{
- --- struct device *dev = &pdev->dev;
- --- struct snd_ac97_reset_cfg cfg;
- --- int ret;
- ---
- --- ret = snd_soc_ac97_parse_pinctl(dev, &cfg);
- --- if (ret)
- --- return ret;
- ---
- --- ret = snd_soc_set_ac97_ops(ops);
- --- if (ret)
- --- return ret;
- ---
- --- ops->warm_reset = snd_soc_ac97_warm_reset;
- --- ops->reset = snd_soc_ac97_reset;
- ---
- --- snd_ac97_rst_cfg = cfg;
- --- return 0;
- ---}
- ---EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset);
- ---
- ---/**
- --- * snd_soc_free_ac97_codec - free AC97 codec device
- --- * @codec: audio codec
- --- *
- --- * Frees AC97 codec device resources.
- --- */
- ---void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
- ---{
- ---#ifdef CONFIG_SND_SOC_AC97_BUS
- --- soc_unregister_ac97_codec(codec);
- ---#endif
- --- kfree(codec->ac97->bus);
- --- kfree(codec->ac97);
- --- codec->ac97 = NULL;
- --- codec->ac97_created = 0;
- ---}
- ---EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
- ---
/**
* snd_soc_cnew - create new control
* @_template: control template
int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
const struct snd_kcontrol_new *controls, int num_controls)
{
---- struct snd_card *card = dai->card->snd_card;
++++ struct snd_card *card = dai->component->card->snd_card;
return snd_soc_add_controls(card, dai->dev, controls, num_controls,
NULL, dai);
}
EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls);
- /**
- * snd_soc_info_enum_double - enumerated double mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a double enumerated
- * mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
- uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
- uinfo->value.enumerated.items = e->items;
-
- if (uinfo->value.enumerated.item >= e->items)
- uinfo->value.enumerated.item = e->items - 1;
- strlcpy(uinfo->value.enumerated.name,
- e->texts[uinfo->value.enumerated.item],
- sizeof(uinfo->value.enumerated.name));
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
-
- /**
- * snd_soc_get_enum_double - enumerated double mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a double enumerated mixer.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int val, item;
- unsigned int reg_val;
- int ret;
-
- ret = snd_soc_component_read(component, e->reg, ®_val);
- if (ret)
- return ret;
- val = (reg_val >> e->shift_l) & e->mask;
- item = snd_soc_enum_val_to_item(e, val);
- ucontrol->value.enumerated.item[0] = item;
- if (e->shift_l != e->shift_r) {
- val = (reg_val >> e->shift_l) & e->mask;
- item = snd_soc_enum_val_to_item(e, val);
- ucontrol->value.enumerated.item[1] = item;
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
-
- /**
- * snd_soc_put_enum_double - enumerated double mixer put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a double enumerated mixer.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int *item = ucontrol->value.enumerated.item;
- unsigned int val;
- unsigned int mask;
-
- if (item[0] >= e->items)
- return -EINVAL;
- val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
- mask = e->mask << e->shift_l;
- if (e->shift_l != e->shift_r) {
- if (item[1] >= e->items)
- return -EINVAL;
- val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r;
- mask |= e->mask << e->shift_r;
- }
-
- return snd_soc_component_update_bits(component, e->reg, mask, val);
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
-
- /**
- * snd_soc_read_signed - Read a codec register and interprete as signed value
- * @component: component
- * @reg: Register to read
- * @mask: Mask to use after shifting the register value
- * @shift: Right shift of register value
- * @sign_bit: Bit that describes if a number is negative or not.
- * @signed_val: Pointer to where the read value should be stored
- *
- * This functions reads a codec register. The register value is shifted right
- * by 'shift' bits and masked with the given 'mask'. Afterwards it translates
- * the given registervalue into a signed integer if sign_bit is non-zero.
- *
- * Returns 0 on sucess, otherwise an error value
- */
- static int snd_soc_read_signed(struct snd_soc_component *component,
- unsigned int reg, unsigned int mask, unsigned int shift,
- unsigned int sign_bit, int *signed_val)
- {
- int ret;
- unsigned int val;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret < 0)
- return ret;
-
- val = (val >> shift) & mask;
-
- if (!sign_bit) {
- *signed_val = val;
- return 0;
- }
-
- /* non-negative number */
- if (!(val & BIT(sign_bit))) {
- *signed_val = val;
- return 0;
- }
-
- ret = val;
-
- /*
- * The register most probably does not contain a full-sized int.
- * Instead we have an arbitrary number of bits in a signed
- * representation which has to be translated into a full-sized int.
- * This is done by filling up all bits above the sign-bit.
- */
- ret |= ~((int)(BIT(sign_bit) - 1));
-
- *signed_val = ret;
-
- return 0;
- }
-
- /**
- * snd_soc_info_volsw - single mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a single mixer control, or a double
- * mixer control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume"))
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- else
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-
- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max - mc->min;
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
-
- /**
- * snd_soc_get_volsw - single mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a single mixer control, or a double mixer
- * control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- int sign_bit = mc->sign_bit;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- int val;
- int ret;
-
- if (sign_bit)
- mask = BIT(sign_bit + 1) - 1;
-
- ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[0] = val - min;
- if (invert)
- ucontrol->value.integer.value[0] =
- max - ucontrol->value.integer.value[0];
-
- if (snd_soc_volsw_is_stereo(mc)) {
- if (reg == reg2)
- ret = snd_soc_read_signed(component, reg, mask, rshift,
- sign_bit, &val);
- else
- ret = snd_soc_read_signed(component, reg2, mask, shift,
- sign_bit, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[1] = val - min;
- if (invert)
- ucontrol->value.integer.value[1] =
- max - ucontrol->value.integer.value[1];
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
-
- /**
- * snd_soc_put_volsw - single mixer put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a single mixer control, or a double mixer
- * control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- unsigned int sign_bit = mc->sign_bit;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- int err;
- bool type_2r = false;
- unsigned int val2 = 0;
- unsigned int val, val_mask;
-
- if (sign_bit)
- mask = BIT(sign_bit + 1) - 1;
-
- val = ((ucontrol->value.integer.value[0] + min) & mask);
- if (invert)
- val = max - val;
- val_mask = mask << shift;
- val = val << shift;
- if (snd_soc_volsw_is_stereo(mc)) {
- val2 = ((ucontrol->value.integer.value[1] + min) & mask);
- if (invert)
- val2 = max - val2;
- if (reg == reg2) {
- val_mask |= mask << rshift;
- val |= val2 << rshift;
- } else {
- val2 = val2 << shift;
- type_2r = true;
- }
- }
- err = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (err < 0)
- return err;
-
- if (type_2r)
- err = snd_soc_component_update_bits(component, reg2, val_mask,
- val2);
-
- return err;
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
-
- /**
- * snd_soc_get_volsw_sx - single mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a single mixer control, or a double mixer
- * control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- int mask = (1 << (fls(min + max) - 1)) - 1;
- unsigned int val;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret < 0)
- return ret;
-
- ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- ret = snd_soc_component_read(component, reg2, &val);
- if (ret < 0)
- return ret;
-
- val = ((val >> rshift) - min) & mask;
- ucontrol->value.integer.value[1] = val;
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx);
-
- /**
- * snd_soc_put_volsw_sx - double mixer set callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to set the value of a double mixer control that spans 2 registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
-
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- int mask = (1 << (fls(min + max) - 1)) - 1;
- int err = 0;
- unsigned int val, val_mask, val2 = 0;
-
- val_mask = mask << shift;
- val = (ucontrol->value.integer.value[0] + min) & mask;
- val = val << shift;
-
- err = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (err < 0)
- return err;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- val_mask = mask << rshift;
- val2 = (ucontrol->value.integer.value[1] + min) & mask;
- val2 = val2 << rshift;
-
- err = snd_soc_component_update_bits(component, reg2, val_mask,
- val2);
- }
- return err;
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx);
-
- /**
- * snd_soc_info_volsw_s8 - signed mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a signed mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
- int min = mc->min;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 2;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max - min;
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
-
- /**
- * snd_soc_get_volsw_s8 - signed mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a signed mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- unsigned int val;
- int min = mc->min;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[0] =
- ((signed char)(val & 0xff))-min;
- ucontrol->value.integer.value[1] =
- ((signed char)((val >> 8) & 0xff))-min;
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
-
- /**
- * snd_soc_put_volsw_sgn - signed mixer put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a signed mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- int min = mc->min;
- unsigned int val;
-
- val = (ucontrol->value.integer.value[0]+min) & 0xff;
- val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8;
-
- return snd_soc_component_update_bits(component, reg, 0xffff, val);
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
-
- /**
- * snd_soc_info_volsw_range - single mixer info callback with range.
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information, within a range, about a single
- * mixer control.
- *
- * returns 0 for success.
- */
- int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
- int min = mc->min;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max - min;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range);
-
- /**
- * snd_soc_put_volsw_range - single mixer put value callback with range.
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value, within a range, for a single mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- unsigned int rreg = mc->rreg;
- unsigned int shift = mc->shift;
- int min = mc->min;
- int max = mc->max;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- unsigned int val, val_mask;
- int ret;
-
- if (invert)
- val = (max - ucontrol->value.integer.value[0]) & mask;
- else
- val = ((ucontrol->value.integer.value[0] + min) & mask);
- val_mask = mask << shift;
- val = val << shift;
-
- ret = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (ret < 0)
- return ret;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- if (invert)
- val = (max - ucontrol->value.integer.value[1]) & mask;
- else
- val = ((ucontrol->value.integer.value[1] + min) & mask);
- val_mask = mask << shift;
- val = val << shift;
-
- ret = snd_soc_component_update_bits(component, rreg, val_mask,
- val);
- }
-
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range);
-
- /**
- * snd_soc_get_volsw_range - single mixer get callback with range
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value, within a range, of a single mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int rreg = mc->rreg;
- unsigned int shift = mc->shift;
- int min = mc->min;
- int max = mc->max;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- unsigned int val;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[0] = (val >> shift) & mask;
- if (invert)
- ucontrol->value.integer.value[0] =
- max - ucontrol->value.integer.value[0];
- else
- ucontrol->value.integer.value[0] =
- ucontrol->value.integer.value[0] - min;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- ret = snd_soc_component_read(component, rreg, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[1] = (val >> shift) & mask;
- if (invert)
- ucontrol->value.integer.value[1] =
- max - ucontrol->value.integer.value[1];
- else
- ucontrol->value.integer.value[1] =
- ucontrol->value.integer.value[1] - min;
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
-
- /**
- * snd_soc_limit_volume - Set new limit to an existing volume control.
- *
- * @codec: where to look for the control
- * @name: Name of the control
- * @max: new maximum limit
- *
- * Return 0 for success, else error.
- */
- int snd_soc_limit_volume(struct snd_soc_codec *codec,
- const char *name, int max)
- {
- struct snd_card *card = codec->component.card->snd_card;
- struct snd_kcontrol *kctl;
- struct soc_mixer_control *mc;
- int found = 0;
- int ret = -EINVAL;
-
- /* Sanity check for name and max */
- if (unlikely(!name || max <= 0))
- return -EINVAL;
-
- list_for_each_entry(kctl, &card->controls, list) {
- if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) {
- found = 1;
- break;
- }
- }
- if (found) {
- mc = (struct soc_mixer_control *)kctl->private_value;
- if (max <= mc->max) {
- mc->platform_max = max;
- ret = 0;
- }
- }
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_limit_volume);
-
- int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_bytes *params = (void *)kcontrol->private_value;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
- uinfo->count = params->num_regs * component->val_bytes;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_info);
-
- int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_bytes *params = (void *)kcontrol->private_value;
- int ret;
-
- if (component->regmap)
- ret = regmap_raw_read(component->regmap, params->base,
- ucontrol->value.bytes.data,
- params->num_regs * component->val_bytes);
- else
- ret = -EINVAL;
-
- /* Hide any masked bytes to ensure consistent data reporting */
- if (ret == 0 && params->mask) {
- switch (component->val_bytes) {
- case 1:
- ucontrol->value.bytes.data[0] &= ~params->mask;
- break;
- case 2:
- ((u16 *)(&ucontrol->value.bytes.data))[0]
- &= cpu_to_be16(~params->mask);
- break;
- case 4:
- ((u32 *)(&ucontrol->value.bytes.data))[0]
- &= cpu_to_be32(~params->mask);
- break;
- default:
- return -EINVAL;
- }
- }
-
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_get);
-
- int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_bytes *params = (void *)kcontrol->private_value;
- int ret, len;
- unsigned int val, mask;
- void *data;
-
- if (!component->regmap || !params->num_regs)
- return -EINVAL;
-
- len = params->num_regs * component->val_bytes;
-
- data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
- if (!data)
- return -ENOMEM;
-
- /*
- * If we've got a mask then we need to preserve the register
- * bits. We shouldn't modify the incoming data so take a
- * copy.
- */
- if (params->mask) {
- ret = regmap_read(component->regmap, params->base, &val);
- if (ret != 0)
- goto out;
-
- val &= params->mask;
-
- switch (component->val_bytes) {
- case 1:
- ((u8 *)data)[0] &= ~params->mask;
- ((u8 *)data)[0] |= val;
- break;
- case 2:
- mask = ~params->mask;
- ret = regmap_parse_val(component->regmap,
- &mask, &mask);
- if (ret != 0)
- goto out;
-
- ((u16 *)data)[0] &= mask;
-
- ret = regmap_parse_val(component->regmap,
- &val, &val);
- if (ret != 0)
- goto out;
-
- ((u16 *)data)[0] |= val;
- break;
- case 4:
- mask = ~params->mask;
- ret = regmap_parse_val(component->regmap,
- &mask, &mask);
- if (ret != 0)
- goto out;
-
- ((u32 *)data)[0] &= mask;
-
- ret = regmap_parse_val(component->regmap,
- &val, &val);
- if (ret != 0)
- goto out;
-
- ((u32 *)data)[0] |= val;
- break;
- default:
- ret = -EINVAL;
- goto out;
- }
- }
-
- ret = regmap_raw_write(component->regmap, params->base,
- data, len);
-
- out:
- kfree(data);
-
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
-
- int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *ucontrol)
- {
- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
-
- ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES;
- ucontrol->count = params->max;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext);
-
- int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
- unsigned int size, unsigned int __user *tlv)
- {
- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
- unsigned int count = size < params->max ? size : params->max;
- int ret = -ENXIO;
-
- switch (op_flag) {
- case SNDRV_CTL_TLV_OP_READ:
- if (params->get)
- ret = params->get(tlv, count);
- break;
- case SNDRV_CTL_TLV_OP_WRITE:
- if (params->put)
- ret = params->put(tlv, count);
- break;
- }
- return ret;
- }
- EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback);
-
- /**
- * snd_soc_info_xr_sx - signed multi register info callback
- * @kcontrol: mreg control
- * @uinfo: control element information
- *
- * Callback to provide information of a control that can
- * span multiple codec registers which together
- * forms a single signed value in a MSB/LSB manner.
- *
- * Returns 0 for success.
- */
- int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
- {
- struct soc_mreg_control *mc =
- (struct soc_mreg_control *)kcontrol->private_value;
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 1;
- uinfo->value.integer.min = mc->min;
- uinfo->value.integer.max = mc->max;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx);
-
- /**
- * snd_soc_get_xr_sx - signed multi register get callback
- * @kcontrol: mreg control
- * @ucontrol: control element information
- *
- * Callback to get the value of a control that can span
- * multiple codec registers which together forms a single
- * signed value in a MSB/LSB manner. The control supports
- * specifying total no of bits used to allow for bitfields
- * across the multiple codec registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mreg_control *mc =
- (struct soc_mreg_control *)kcontrol->private_value;
- unsigned int regbase = mc->regbase;
- unsigned int regcount = mc->regcount;
- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
- unsigned int regwmask = (1<<regwshift)-1;
- unsigned int invert = mc->invert;
- unsigned long mask = (1UL<<mc->nbits)-1;
- long min = mc->min;
- long max = mc->max;
- long val = 0;
- unsigned int regval;
- unsigned int i;
- int ret;
-
- for (i = 0; i < regcount; i++) {
- ret = snd_soc_component_read(component, regbase+i, ®val);
- if (ret)
- return ret;
- val |= (regval & regwmask) << (regwshift*(regcount-i-1));
- }
- val &= mask;
- if (min < 0 && val > max)
- val |= ~mask;
- if (invert)
- val = max - val;
- ucontrol->value.integer.value[0] = val;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx);
-
- /**
- * snd_soc_put_xr_sx - signed multi register get callback
- * @kcontrol: mreg control
- * @ucontrol: control element information
- *
- * Callback to set the value of a control that can span
- * multiple codec registers which together forms a single
- * signed value in a MSB/LSB manner. The control supports
- * specifying total no of bits used to allow for bitfields
- * across the multiple codec registers.
- *
- * Returns 0 for success.
- */
- int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mreg_control *mc =
- (struct soc_mreg_control *)kcontrol->private_value;
- unsigned int regbase = mc->regbase;
- unsigned int regcount = mc->regcount;
- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
- unsigned int regwmask = (1<<regwshift)-1;
- unsigned int invert = mc->invert;
- unsigned long mask = (1UL<<mc->nbits)-1;
- long max = mc->max;
- long val = ucontrol->value.integer.value[0];
- unsigned int i, regval, regmask;
- int err;
-
- if (invert)
- val = max - val;
- val &= mask;
- for (i = 0; i < regcount; i++) {
- regval = (val >> (regwshift*(regcount-i-1))) & regwmask;
- regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask;
- err = snd_soc_component_update_bits(component, regbase+i,
- regmask, regval);
- if (err < 0)
- return err;
- }
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx);
-
- /**
- * snd_soc_get_strobe - strobe get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback get the value of a strobe mixer control.
- *
- * Returns 0 for success.
- */
- int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int shift = mc->shift;
- unsigned int mask = 1 << shift;
- unsigned int invert = mc->invert != 0;
- unsigned int val;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
- val &= mask;
-
- if (shift != 0 && val != 0)
- val = val >> shift;
- ucontrol->value.enumerated.item[0] = val ^ invert;
-
- return 0;
- }
- EXPORT_SYMBOL_GPL(snd_soc_get_strobe);
-
- /**
- * snd_soc_put_strobe - strobe put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback strobe a register bit to high then low (or the inverse)
- * in one pass of a single mixer enum control.
- *
- * Returns 1 for success.
- */
- int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int shift = mc->shift;
- unsigned int mask = 1 << shift;
- unsigned int invert = mc->invert != 0;
- unsigned int strobe = ucontrol->value.enumerated.item[0] != 0;
- unsigned int val1 = (strobe ^ invert) ? mask : 0;
- unsigned int val2 = (strobe ^ invert) ? 0 : mask;
- int err;
-
- err = snd_soc_component_update_bits(component, reg, mask, val1);
- if (err < 0)
- return err;
-
- return snd_soc_component_update_bits(component, reg, mask, val2);
- }
- EXPORT_SYMBOL_GPL(snd_soc_put_strobe);
-
/**
--- * snd_soc_info_enum_double - enumerated double mixer info callback
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to provide information about a double enumerated
--- * mixer control.
+++ * snd_soc_dai_set_sysclk - configure DAI system or master clock.
+++ * @dai: DAI
+++ * @clk_id: DAI specific clock ID
+++ * @freq: new clock frequency in Hz
+++ * @dir: new clock direction - input/output.
*
--- * Returns 0 for success.
+++ * Configures the DAI master (MCLK) or system (SYSCLK) clocking.
*/
---int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
+++int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+++ unsigned int freq, int dir)
{
--- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
---
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
--- uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
--- uinfo->value.enumerated.items = e->items;
---
--- if (uinfo->value.enumerated.item >= e->items)
--- uinfo->value.enumerated.item = e->items - 1;
--- strlcpy(uinfo->value.enumerated.name,
--- e->texts[uinfo->value.enumerated.item],
--- sizeof(uinfo->value.enumerated.name));
--- return 0;
+++ if (dai->driver && dai->driver->ops->set_sysclk)
+++ return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
+++ else if (dai->codec && dai->codec->driver->set_sysclk)
+++ return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0,
+++ freq, dir);
+++ else
+++ return -ENOTSUPP;
}
---EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
+++EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
/**
--- * snd_soc_get_enum_double - enumerated double mixer get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a double enumerated mixer.
+++ * snd_soc_codec_set_sysclk - configure CODEC system or master clock.
+++ * @codec: CODEC
+++ * @clk_id: DAI specific clock ID
+++ * @source: Source for the clock
+++ * @freq: new clock frequency in Hz
+++ * @dir: new clock direction - input/output.
*
--- * Returns 0 for success.
+++ * Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
*/
---int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
+++int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
+++ int source, unsigned int freq, int dir)
{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
--- unsigned int val, item;
--- unsigned int reg_val;
--- int ret;
---
--- ret = snd_soc_component_read(component, e->reg, ®_val);
--- if (ret)
--- return ret;
--- val = (reg_val >> e->shift_l) & e->mask;
--- item = snd_soc_enum_val_to_item(e, val);
--- ucontrol->value.enumerated.item[0] = item;
--- if (e->shift_l != e->shift_r) {
--- val = (reg_val >> e->shift_l) & e->mask;
--- item = snd_soc_enum_val_to_item(e, val);
--- ucontrol->value.enumerated.item[1] = item;
--- }
---
--- return 0;
+++ if (codec->driver->set_sysclk)
+++ return codec->driver->set_sysclk(codec, clk_id, source,
+++ freq, dir);
+++ else
+++ return -ENOTSUPP;
}
---EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
+++EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk);
/**
--- * snd_soc_put_enum_double - enumerated double mixer put callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value of a double enumerated mixer.
+++ * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
+++ * @dai: DAI
+++ * @div_id: DAI specific clock divider ID
+++ * @div: new clock divisor.
*
--- * Returns 0 for success.
+++ * Configures the clock dividers. This is used to derive the best DAI bit and
+++ * frame clocks from the system or master clock. It's best to set the DAI bit
+++ * and frame clocks as low as possible to save system power.
*/
---int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
+++int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
+++ int div_id, int div)
{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
--- unsigned int *item = ucontrol->value.enumerated.item;
--- unsigned int val;
--- unsigned int mask;
---
--- if (item[0] >= e->items)
+++ if (dai->driver && dai->driver->ops->set_clkdiv)
+++ return dai->driver->ops->set_clkdiv(dai, div_id, div);
+++ else
return -EINVAL;
--- val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
--- mask = e->mask << e->shift_l;
--- if (e->shift_l != e->shift_r) {
--- if (item[1] >= e->items)
--- return -EINVAL;
--- val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r;
--- mask |= e->mask << e->shift_r;
--- }
---
--- return snd_soc_component_update_bits(component, e->reg, mask, val);
}
---EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
+++EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
/**
--- * snd_soc_read_signed - Read a codec register and interprete as signed value
--- * @component: component
--- * @reg: Register to read
--- * @mask: Mask to use after shifting the register value
--- * @shift: Right shift of register value
--- * @sign_bit: Bit that describes if a number is negative or not.
--- * @signed_val: Pointer to where the read value should be stored
--- *
--- * This functions reads a codec register. The register value is shifted right
--- * by 'shift' bits and masked with the given 'mask'. Afterwards it translates
--- * the given registervalue into a signed integer if sign_bit is non-zero.
+++ * snd_soc_dai_set_pll - configure DAI PLL.
+++ * @dai: DAI
+++ * @pll_id: DAI specific PLL ID
+++ * @source: DAI specific source for the PLL
+++ * @freq_in: PLL input clock frequency in Hz
+++ * @freq_out: requested PLL output clock frequency in Hz
*
--- * Returns 0 on sucess, otherwise an error value
+++ * Configures and enables PLL to generate output clock based on input clock.
*/
---static int snd_soc_read_signed(struct snd_soc_component *component,
--- unsigned int reg, unsigned int mask, unsigned int shift,
--- unsigned int sign_bit, int *signed_val)
+++int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
+++ unsigned int freq_in, unsigned int freq_out)
{
--- int ret;
--- unsigned int val;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret < 0)
--- return ret;
---
--- val = (val >> shift) & mask;
---
--- if (!sign_bit) {
--- *signed_val = val;
--- return 0;
--- }
---
--- /* non-negative number */
--- if (!(val & BIT(sign_bit))) {
--- *signed_val = val;
--- return 0;
--- }
---
--- ret = val;
---
--- /*
--- * The register most probably does not contain a full-sized int.
--- * Instead we have an arbitrary number of bits in a signed
--- * representation which has to be translated into a full-sized int.
--- * This is done by filling up all bits above the sign-bit.
--- */
--- ret |= ~((int)(BIT(sign_bit) - 1));
---
--- *signed_val = ret;
---
--- return 0;
---}
---
---/**
--- * snd_soc_info_volsw - single mixer info callback
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to provide information about a single mixer control, or a double
--- * mixer control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- int platform_max;
---
--- if (!mc->platform_max)
--- mc->platform_max = mc->max;
--- platform_max = mc->platform_max;
---
--- if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume"))
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
--- else
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
---
--- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
--- uinfo->value.integer.min = 0;
--- uinfo->value.integer.max = platform_max - mc->min;
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
---
---/**
--- * snd_soc_get_volsw - single mixer get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a single mixer control, or a double mixer
--- * control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int reg2 = mc->rreg;
--- unsigned int shift = mc->shift;
--- unsigned int rshift = mc->rshift;
--- int max = mc->max;
--- int min = mc->min;
--- int sign_bit = mc->sign_bit;
--- unsigned int mask = (1 << fls(max)) - 1;
--- unsigned int invert = mc->invert;
--- int val;
--- int ret;
---
--- if (sign_bit)
--- mask = BIT(sign_bit + 1) - 1;
---
--- ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[0] = val - min;
--- if (invert)
--- ucontrol->value.integer.value[0] =
--- max - ucontrol->value.integer.value[0];
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- if (reg == reg2)
--- ret = snd_soc_read_signed(component, reg, mask, rshift,
--- sign_bit, &val);
--- else
--- ret = snd_soc_read_signed(component, reg2, mask, shift,
--- sign_bit, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[1] = val - min;
--- if (invert)
--- ucontrol->value.integer.value[1] =
--- max - ucontrol->value.integer.value[1];
--- }
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
---
---/**
--- * snd_soc_put_volsw - single mixer put callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value of a single mixer control, or a double mixer
--- * control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int reg2 = mc->rreg;
--- unsigned int shift = mc->shift;
--- unsigned int rshift = mc->rshift;
--- int max = mc->max;
--- int min = mc->min;
--- unsigned int sign_bit = mc->sign_bit;
--- unsigned int mask = (1 << fls(max)) - 1;
--- unsigned int invert = mc->invert;
--- int err;
--- bool type_2r = false;
--- unsigned int val2 = 0;
--- unsigned int val, val_mask;
---
--- if (sign_bit)
--- mask = BIT(sign_bit + 1) - 1;
---
--- val = ((ucontrol->value.integer.value[0] + min) & mask);
--- if (invert)
--- val = max - val;
--- val_mask = mask << shift;
--- val = val << shift;
--- if (snd_soc_volsw_is_stereo(mc)) {
--- val2 = ((ucontrol->value.integer.value[1] + min) & mask);
--- if (invert)
--- val2 = max - val2;
--- if (reg == reg2) {
--- val_mask |= mask << rshift;
--- val |= val2 << rshift;
--- } else {
--- val2 = val2 << shift;
--- type_2r = true;
--- }
--- }
--- err = snd_soc_component_update_bits(component, reg, val_mask, val);
--- if (err < 0)
--- return err;
---
--- if (type_2r)
--- err = snd_soc_component_update_bits(component, reg2, val_mask,
--- val2);
---
--- return err;
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
---
---/**
--- * snd_soc_get_volsw_sx - single mixer get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a single mixer control, or a double mixer
--- * control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int reg2 = mc->rreg;
--- unsigned int shift = mc->shift;
--- unsigned int rshift = mc->rshift;
--- int max = mc->max;
--- int min = mc->min;
--- int mask = (1 << (fls(min + max) - 1)) - 1;
--- unsigned int val;
--- int ret;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret < 0)
--- return ret;
---
--- ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask;
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- ret = snd_soc_component_read(component, reg2, &val);
--- if (ret < 0)
--- return ret;
---
--- val = ((val >> rshift) - min) & mask;
--- ucontrol->value.integer.value[1] = val;
--- }
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx);
---
---/**
--- * snd_soc_put_volsw_sx - double mixer set callback
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to set the value of a double mixer control that spans 2 registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
---
--- unsigned int reg = mc->reg;
--- unsigned int reg2 = mc->rreg;
--- unsigned int shift = mc->shift;
--- unsigned int rshift = mc->rshift;
--- int max = mc->max;
--- int min = mc->min;
--- int mask = (1 << (fls(min + max) - 1)) - 1;
--- int err = 0;
--- unsigned int val, val_mask, val2 = 0;
---
--- val_mask = mask << shift;
--- val = (ucontrol->value.integer.value[0] + min) & mask;
--- val = val << shift;
---
--- err = snd_soc_component_update_bits(component, reg, val_mask, val);
--- if (err < 0)
--- return err;
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- val_mask = mask << rshift;
--- val2 = (ucontrol->value.integer.value[1] + min) & mask;
--- val2 = val2 << rshift;
---
--- err = snd_soc_component_update_bits(component, reg2, val_mask,
--- val2);
--- }
--- return err;
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx);
---
---/**
--- * snd_soc_info_volsw_s8 - signed mixer info callback
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to provide information about a signed mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- int platform_max;
--- int min = mc->min;
---
--- if (!mc->platform_max)
--- mc->platform_max = mc->max;
--- platform_max = mc->platform_max;
---
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
--- uinfo->count = 2;
--- uinfo->value.integer.min = 0;
--- uinfo->value.integer.max = platform_max - min;
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
---
---/**
--- * snd_soc_get_volsw_s8 - signed mixer get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a signed mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- unsigned int reg = mc->reg;
--- unsigned int val;
--- int min = mc->min;
--- int ret;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[0] =
--- ((signed char)(val & 0xff))-min;
--- ucontrol->value.integer.value[1] =
--- ((signed char)((val >> 8) & 0xff))-min;
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
---
---/**
--- * snd_soc_put_volsw_sgn - signed mixer put callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value of a signed mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- unsigned int reg = mc->reg;
--- int min = mc->min;
--- unsigned int val;
---
--- val = (ucontrol->value.integer.value[0]+min) & 0xff;
--- val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8;
---
--- return snd_soc_component_update_bits(component, reg, 0xffff, val);
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
---
---/**
--- * snd_soc_info_volsw_range - single mixer info callback with range.
--- * @kcontrol: mixer control
--- * @uinfo: control element information
--- *
--- * Callback to provide information, within a range, about a single
--- * mixer control.
--- *
--- * returns 0 for success.
--- */
---int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- int platform_max;
--- int min = mc->min;
---
--- if (!mc->platform_max)
--- mc->platform_max = mc->max;
--- platform_max = mc->platform_max;
---
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
--- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
--- uinfo->value.integer.min = 0;
--- uinfo->value.integer.max = platform_max - min;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range);
---
---/**
--- * snd_soc_put_volsw_range - single mixer put value callback with range.
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value, within a range, for a single mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- unsigned int reg = mc->reg;
--- unsigned int rreg = mc->rreg;
--- unsigned int shift = mc->shift;
--- int min = mc->min;
--- int max = mc->max;
--- unsigned int mask = (1 << fls(max)) - 1;
--- unsigned int invert = mc->invert;
--- unsigned int val, val_mask;
--- int ret;
---
--- if (invert)
--- val = (max - ucontrol->value.integer.value[0]) & mask;
--- else
--- val = ((ucontrol->value.integer.value[0] + min) & mask);
--- val_mask = mask << shift;
--- val = val << shift;
---
--- ret = snd_soc_component_update_bits(component, reg, val_mask, val);
--- if (ret < 0)
--- return ret;
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- if (invert)
--- val = (max - ucontrol->value.integer.value[1]) & mask;
--- else
--- val = ((ucontrol->value.integer.value[1] + min) & mask);
--- val_mask = mask << shift;
--- val = val << shift;
---
--- ret = snd_soc_component_update_bits(component, rreg, val_mask,
--- val);
--- }
---
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range);
---
---/**
--- * snd_soc_get_volsw_range - single mixer get callback with range
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value, within a range, of a single mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int rreg = mc->rreg;
--- unsigned int shift = mc->shift;
--- int min = mc->min;
--- int max = mc->max;
--- unsigned int mask = (1 << fls(max)) - 1;
--- unsigned int invert = mc->invert;
--- unsigned int val;
--- int ret;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[0] = (val >> shift) & mask;
--- if (invert)
--- ucontrol->value.integer.value[0] =
--- max - ucontrol->value.integer.value[0];
--- else
--- ucontrol->value.integer.value[0] =
--- ucontrol->value.integer.value[0] - min;
---
--- if (snd_soc_volsw_is_stereo(mc)) {
--- ret = snd_soc_component_read(component, rreg, &val);
--- if (ret)
--- return ret;
---
--- ucontrol->value.integer.value[1] = (val >> shift) & mask;
--- if (invert)
--- ucontrol->value.integer.value[1] =
--- max - ucontrol->value.integer.value[1];
--- else
--- ucontrol->value.integer.value[1] =
--- ucontrol->value.integer.value[1] - min;
--- }
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
---
---/**
--- * snd_soc_limit_volume - Set new limit to an existing volume control.
--- *
--- * @codec: where to look for the control
--- * @name: Name of the control
--- * @max: new maximum limit
--- *
--- * Return 0 for success, else error.
--- */
---int snd_soc_limit_volume(struct snd_soc_codec *codec,
--- const char *name, int max)
---{
--- struct snd_card *card = codec->component.card->snd_card;
--- struct snd_kcontrol *kctl;
--- struct soc_mixer_control *mc;
--- int found = 0;
--- int ret = -EINVAL;
---
--- /* Sanity check for name and max */
--- if (unlikely(!name || max <= 0))
--- return -EINVAL;
---
--- list_for_each_entry(kctl, &card->controls, list) {
--- if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) {
--- found = 1;
--- break;
--- }
--- }
--- if (found) {
--- mc = (struct soc_mixer_control *)kctl->private_value;
--- if (max <= mc->max) {
--- mc->platform_max = max;
--- ret = 0;
--- }
--- }
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_limit_volume);
---
---int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_bytes *params = (void *)kcontrol->private_value;
---
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
--- uinfo->count = params->num_regs * component->val_bytes;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_info);
---
---int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_bytes *params = (void *)kcontrol->private_value;
--- int ret;
---
--- if (component->regmap)
--- ret = regmap_raw_read(component->regmap, params->base,
--- ucontrol->value.bytes.data,
--- params->num_regs * component->val_bytes);
--- else
--- ret = -EINVAL;
---
--- /* Hide any masked bytes to ensure consistent data reporting */
--- if (ret == 0 && params->mask) {
--- switch (component->val_bytes) {
--- case 1:
--- ucontrol->value.bytes.data[0] &= ~params->mask;
--- break;
--- case 2:
--- ((u16 *)(&ucontrol->value.bytes.data))[0]
--- &= cpu_to_be16(~params->mask);
--- break;
--- case 4:
--- ((u32 *)(&ucontrol->value.bytes.data))[0]
--- &= cpu_to_be32(~params->mask);
--- break;
--- default:
--- return -EINVAL;
--- }
--- }
---
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_get);
---
---int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_bytes *params = (void *)kcontrol->private_value;
--- int ret, len;
--- unsigned int val, mask;
--- void *data;
---
--- if (!component->regmap || !params->num_regs)
--- return -EINVAL;
---
--- len = params->num_regs * component->val_bytes;
---
--- data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
--- if (!data)
--- return -ENOMEM;
---
--- /*
--- * If we've got a mask then we need to preserve the register
--- * bits. We shouldn't modify the incoming data so take a
--- * copy.
--- */
--- if (params->mask) {
--- ret = regmap_read(component->regmap, params->base, &val);
--- if (ret != 0)
--- goto out;
---
--- val &= params->mask;
---
--- switch (component->val_bytes) {
--- case 1:
--- ((u8 *)data)[0] &= ~params->mask;
--- ((u8 *)data)[0] |= val;
--- break;
--- case 2:
--- mask = ~params->mask;
--- ret = regmap_parse_val(component->regmap,
--- &mask, &mask);
--- if (ret != 0)
--- goto out;
---
--- ((u16 *)data)[0] &= mask;
---
--- ret = regmap_parse_val(component->regmap,
--- &val, &val);
--- if (ret != 0)
--- goto out;
---
--- ((u16 *)data)[0] |= val;
--- break;
--- case 4:
--- mask = ~params->mask;
--- ret = regmap_parse_val(component->regmap,
--- &mask, &mask);
--- if (ret != 0)
--- goto out;
---
--- ((u32 *)data)[0] &= mask;
---
--- ret = regmap_parse_val(component->regmap,
--- &val, &val);
--- if (ret != 0)
--- goto out;
---
--- ((u32 *)data)[0] |= val;
--- break;
--- default:
--- ret = -EINVAL;
--- goto out;
--- }
--- }
---
--- ret = regmap_raw_write(component->regmap, params->base,
--- data, len);
---
---out:
--- kfree(data);
---
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
---
---int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *ucontrol)
---{
--- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
---
--- ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES;
--- ucontrol->count = params->max;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext);
---
---int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
--- unsigned int size, unsigned int __user *tlv)
---{
--- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
--- unsigned int count = size < params->max ? size : params->max;
--- int ret = -ENXIO;
---
--- switch (op_flag) {
--- case SNDRV_CTL_TLV_OP_READ:
--- if (params->get)
--- ret = params->get(tlv, count);
--- break;
--- case SNDRV_CTL_TLV_OP_WRITE:
--- if (params->put)
--- ret = params->put(tlv, count);
--- break;
--- }
--- return ret;
---}
---EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback);
---
---/**
--- * snd_soc_info_xr_sx - signed multi register info callback
--- * @kcontrol: mreg control
--- * @uinfo: control element information
--- *
--- * Callback to provide information of a control that can
--- * span multiple codec registers which together
--- * forms a single signed value in a MSB/LSB manner.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_info *uinfo)
---{
--- struct soc_mreg_control *mc =
--- (struct soc_mreg_control *)kcontrol->private_value;
--- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
--- uinfo->count = 1;
--- uinfo->value.integer.min = mc->min;
--- uinfo->value.integer.max = mc->max;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx);
---
---/**
--- * snd_soc_get_xr_sx - signed multi register get callback
--- * @kcontrol: mreg control
--- * @ucontrol: control element information
--- *
--- * Callback to get the value of a control that can span
--- * multiple codec registers which together forms a single
--- * signed value in a MSB/LSB manner. The control supports
--- * specifying total no of bits used to allow for bitfields
--- * across the multiple codec registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mreg_control *mc =
--- (struct soc_mreg_control *)kcontrol->private_value;
--- unsigned int regbase = mc->regbase;
--- unsigned int regcount = mc->regcount;
--- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
--- unsigned int regwmask = (1<<regwshift)-1;
--- unsigned int invert = mc->invert;
--- unsigned long mask = (1UL<<mc->nbits)-1;
--- long min = mc->min;
--- long max = mc->max;
--- long val = 0;
--- unsigned int regval;
--- unsigned int i;
--- int ret;
---
--- for (i = 0; i < regcount; i++) {
--- ret = snd_soc_component_read(component, regbase+i, ®val);
--- if (ret)
--- return ret;
--- val |= (regval & regwmask) << (regwshift*(regcount-i-1));
--- }
--- val &= mask;
--- if (min < 0 && val > max)
--- val |= ~mask;
--- if (invert)
--- val = max - val;
--- ucontrol->value.integer.value[0] = val;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx);
---
---/**
--- * snd_soc_put_xr_sx - signed multi register get callback
--- * @kcontrol: mreg control
--- * @ucontrol: control element information
--- *
--- * Callback to set the value of a control that can span
--- * multiple codec registers which together forms a single
--- * signed value in a MSB/LSB manner. The control supports
--- * specifying total no of bits used to allow for bitfields
--- * across the multiple codec registers.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mreg_control *mc =
--- (struct soc_mreg_control *)kcontrol->private_value;
--- unsigned int regbase = mc->regbase;
--- unsigned int regcount = mc->regcount;
--- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
--- unsigned int regwmask = (1<<regwshift)-1;
--- unsigned int invert = mc->invert;
--- unsigned long mask = (1UL<<mc->nbits)-1;
--- long max = mc->max;
--- long val = ucontrol->value.integer.value[0];
--- unsigned int i, regval, regmask;
--- int err;
---
--- if (invert)
--- val = max - val;
--- val &= mask;
--- for (i = 0; i < regcount; i++) {
--- regval = (val >> (regwshift*(regcount-i-1))) & regwmask;
--- regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask;
--- err = snd_soc_component_update_bits(component, regbase+i,
--- regmask, regval);
--- if (err < 0)
--- return err;
--- }
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx);
---
---/**
--- * snd_soc_get_strobe - strobe get callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback get the value of a strobe mixer control.
--- *
--- * Returns 0 for success.
--- */
---int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int shift = mc->shift;
--- unsigned int mask = 1 << shift;
--- unsigned int invert = mc->invert != 0;
--- unsigned int val;
--- int ret;
---
--- ret = snd_soc_component_read(component, reg, &val);
--- if (ret)
--- return ret;
---
--- val &= mask;
---
--- if (shift != 0 && val != 0)
--- val = val >> shift;
--- ucontrol->value.enumerated.item[0] = val ^ invert;
---
--- return 0;
---}
---EXPORT_SYMBOL_GPL(snd_soc_get_strobe);
---
---/**
--- * snd_soc_put_strobe - strobe put callback
--- * @kcontrol: mixer control
--- * @ucontrol: control element information
--- *
--- * Callback strobe a register bit to high then low (or the inverse)
--- * in one pass of a single mixer enum control.
--- *
--- * Returns 1 for success.
--- */
---int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
--- struct snd_ctl_elem_value *ucontrol)
---{
--- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
--- struct soc_mixer_control *mc =
--- (struct soc_mixer_control *)kcontrol->private_value;
--- unsigned int reg = mc->reg;
--- unsigned int shift = mc->shift;
--- unsigned int mask = 1 << shift;
--- unsigned int invert = mc->invert != 0;
--- unsigned int strobe = ucontrol->value.enumerated.item[0] != 0;
--- unsigned int val1 = (strobe ^ invert) ? mask : 0;
--- unsigned int val2 = (strobe ^ invert) ? 0 : mask;
--- int err;
---
--- err = snd_soc_component_update_bits(component, reg, mask, val1);
--- if (err < 0)
--- return err;
---
--- return snd_soc_component_update_bits(component, reg, mask, val2);
---}
---EXPORT_SYMBOL_GPL(snd_soc_put_strobe);
---
---/**
--- * snd_soc_dai_set_sysclk - configure DAI system or master clock.
--- * @dai: DAI
--- * @clk_id: DAI specific clock ID
--- * @freq: new clock frequency in Hz
--- * @dir: new clock direction - input/output.
--- *
--- * Configures the DAI master (MCLK) or system (SYSCLK) clocking.
--- */
---int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
--- unsigned int freq, int dir)
---{
--- if (dai->driver && dai->driver->ops->set_sysclk)
--- return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
--- else if (dai->codec && dai->codec->driver->set_sysclk)
--- return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0,
--- freq, dir);
--- else
--- return -ENOTSUPP;
---}
---EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
---
---/**
--- * snd_soc_codec_set_sysclk - configure CODEC system or master clock.
--- * @codec: CODEC
--- * @clk_id: DAI specific clock ID
--- * @source: Source for the clock
--- * @freq: new clock frequency in Hz
--- * @dir: new clock direction - input/output.
--- *
--- * Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
--- */
---int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
--- int source, unsigned int freq, int dir)
---{
--- if (codec->driver->set_sysclk)
--- return codec->driver->set_sysclk(codec, clk_id, source,
--- freq, dir);
--- else
--- return -ENOTSUPP;
---}
---EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk);
---
---/**
--- * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
--- * @dai: DAI
--- * @div_id: DAI specific clock divider ID
--- * @div: new clock divisor.
--- *
--- * Configures the clock dividers. This is used to derive the best DAI bit and
--- * frame clocks from the system or master clock. It's best to set the DAI bit
--- * and frame clocks as low as possible to save system power.
--- */
---int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
--- int div_id, int div)
---{
--- if (dai->driver && dai->driver->ops->set_clkdiv)
--- return dai->driver->ops->set_clkdiv(dai, div_id, div);
--- else
--- return -EINVAL;
---}
---EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
---
---/**
--- * snd_soc_dai_set_pll - configure DAI PLL.
--- * @dai: DAI
--- * @pll_id: DAI specific PLL ID
--- * @source: DAI specific source for the PLL
--- * @freq_in: PLL input clock frequency in Hz
--- * @freq_out: requested PLL output clock frequency in Hz
--- *
--- * Configures and enables PLL to generate output clock based on input clock.
--- */
---int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
--- unsigned int freq_in, unsigned int freq_out)
---{
--- if (dai->driver && dai->driver->ops->set_pll)
--- return dai->driver->ops->set_pll(dai, pll_id, source,
--- freq_in, freq_out);
--- else if (dai->codec && dai->codec->driver->set_pll)
--- return dai->codec->driver->set_pll(dai->codec, pll_id, source,
--- freq_in, freq_out);
--- else
--- return -EINVAL;
---}
---EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
+++ if (dai->driver && dai->driver->ops->set_pll)
+++ return dai->driver->ops->set_pll(dai, pll_id, source,
+++ freq_in, freq_out);
+++ else if (dai->codec && dai->codec->driver->set_pll)
+++ return dai->codec->driver->set_pll(dai->codec, pll_id, source,
+++ freq_in, freq_out);
+++ else
+++ return -EINVAL;
+++}
+++EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
/*
* snd_soc_codec_set_pll - configure codec PLL.
return 0;
}
- ---static void snd_soc_component_init_regmap(struct snd_soc_component *component)
+ +++static void snd_soc_component_setup_regmap(struct snd_soc_component *component)
{
- --- if (!component->regmap)
- --- component->regmap = dev_get_regmap(component->dev, NULL);
- --- if (component->regmap) {
- --- int val_bytes = regmap_get_val_bytes(component->regmap);
- --- /* Errors are legitimate for non-integer byte multiples */
- --- if (val_bytes > 0)
- --- component->val_bytes = val_bytes;
- --- }
+ +++ int val_bytes = regmap_get_val_bytes(component->regmap);
+ +++
+ +++ /* Errors are legitimate for non-integer byte multiples */
+ +++ if (val_bytes > 0)
+ +++ component->val_bytes = val_bytes;
+ +++}
+ +++
+ +++#ifdef CONFIG_REGMAP
+ +++
+ +++/**
+ +++ * snd_soc_component_init_regmap() - Initialize regmap instance for the component
+ +++ * @component: The component for which to initialize the regmap instance
+ +++ * @regmap: The regmap instance that should be used by the component
+ +++ *
+ +++ * This function allows deferred assignment of the regmap instance that is
+ +++ * associated with the component. Only use this if the regmap instance is not
+ +++ * yet ready when the component is registered. The function must also be called
+ +++ * before the first IO attempt of the component.
+ +++ */
+ +++void snd_soc_component_init_regmap(struct snd_soc_component *component,
+ +++ struct regmap *regmap)
+ +++{
+ +++ component->regmap = regmap;
+ +++ snd_soc_component_setup_regmap(component);
}
+ +++EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);
+ +++
+ +++/**
+ +++ * snd_soc_component_exit_regmap() - De-initialize regmap instance for the component
+ +++ * @component: The component for which to de-initialize the regmap instance
+ +++ *
+ +++ * Calls regmap_exit() on the regmap instance associated to the component and
+ +++ * removes the regmap instance from the component.
+ +++ *
+ +++ * This function should only be used if snd_soc_component_init_regmap() was used
+ +++ * to initialize the regmap instance.
+ +++ */
+ +++void snd_soc_component_exit_regmap(struct snd_soc_component *component)
+ +++{
+ +++ regmap_exit(component->regmap);
+ +++ component->regmap = NULL;
+ +++}
+ +++EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap);
+ +++
+ +++#endif
static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
{
- --- if (!component->write && !component->read)
- --- snd_soc_component_init_regmap(component);
+ +++ if (!component->write && !component->read) {
+ +++ if (!component->regmap)
+ +++ component->regmap = dev_get_regmap(component->dev, NULL);
+ +++ if (component->regmap)
+ +++ snd_soc_component_setup_regmap(component);
+ +++ }
list_add(&component->list, &component_list);
}
const char *propname)
{
struct device_node *np = card->dev->of_node;
---- int num_routes;
++++ int num_routes, old_routes;
struct snd_soc_dapm_route *routes;
int i, ret;
return -EINVAL;
}
---- routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes),
++++ old_routes = card->num_dapm_routes;
++++ routes = devm_kzalloc(card->dev,
++++ (old_routes + num_routes) * sizeof(*routes),
GFP_KERNEL);
if (!routes) {
dev_err(card->dev,
return -EINVAL;
}
++++ memcpy(routes, card->dapm_routes, old_routes * sizeof(*routes));
++++
for (i = 0; i < num_routes; i++) {
ret = of_property_read_string_index(np, propname,
---- 2 * i, &routes[i].sink);
++++ 2 * i, &routes[old_routes + i].sink);
if (ret) {
dev_err(card->dev,
"ASoC: Property '%s' index %d could not be read: %d\n",
return -EINVAL;
}
ret = of_property_read_string_index(np, propname,
---- (2 * i) + 1, &routes[i].source);
++++ (2 * i) + 1, &routes[old_routes + i].source);
if (ret) {
dev_err(card->dev,
"ASoC: Property '%s' index %d could not be read: %d\n",
}
}
---- card->num_dapm_routes = num_routes;
++++ card->num_dapm_routes += num_routes;
card->dapm_routes = routes;
return 0;
projects / karo-tx-linux.git / commitdiff