/*
- * BQ27x00 battery driver
+ * BQ27xxx battery driver
*
* Copyright (C) 2008 Rodolfo Giometti <giometti@linux.it>
* Copyright (C) 2008 Eurotech S.p.A. <info@eurotech.it>
#include <linux/slab.h>
#include <asm/unaligned.h>
-#include <linux/power/bq27x00_battery.h>
+#include <linux/power/bq27xxx_battery.h>
#define DRIVER_VERSION "1.2.0"
#define BQ27425_REG_SOC (0x1C + BQ27425_REG_OFFSET)
#define BQ27425_REG_DCAP (0x3C + BQ27425_REG_OFFSET)
-#define BQ27000_RS 20 /* Resistor sense */
-#define BQ27x00_POWER_CONSTANT (256 * 29200 / 1000)
+#define BQ27XXX_RS 20 /* Resistor sense */
+#define BQ27XXX_POWER_CONSTANT (256 * 29200 / 1000)
-struct bq27x00_device_info;
-struct bq27x00_access_methods {
- int (*read)(struct bq27x00_device_info *di, u8 reg, bool single);
+struct bq27xxx_device_info;
+struct bq27xxx_access_methods {
+ int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
};
-enum bq27x00_chip { BQ27000, BQ27500, BQ27425, BQ27742, BQ27510};
+enum bq27xxx_chip { BQ27000, BQ27500, BQ27425, BQ27742, BQ27510};
-struct bq27x00_reg_cache {
+struct bq27xxx_reg_cache {
int temperature;
int time_to_empty;
int time_to_empty_avg;
int health;
};
-struct bq27x00_device_info {
+struct bq27xxx_device_info {
struct device *dev;
int id;
- enum bq27x00_chip chip;
+ enum bq27xxx_chip chip;
- struct bq27x00_reg_cache cache;
+ struct bq27xxx_reg_cache cache;
int charge_design_full;
unsigned long last_update;
struct power_supply *bat;
- struct bq27x00_access_methods bus;
+ struct bq27xxx_access_methods bus;
struct mutex lock;
};
"battery poll interval in seconds - 0 disables polling");
/*
- * Common code for BQ27x00 devices
+ * Common code for BQ27xxx devices
*/
-static inline int bq27x00_read(struct bq27x00_device_info *di, u8 reg,
+static inline int bq27xxx_read(struct bq27xxx_device_info *di, u8 reg,
bool single)
{
if (di->chip == BQ27425)
* differ from BQ27000 and BQ27200 in calculation of certain
* parameters. Hence we need to check for the chip type.
*/
-static bool bq27xxx_is_chip_version_higher(struct bq27x00_device_info *di)
+static bool bq27xxx_is_chip_version_higher(struct bq27xxx_device_info *di)
{
if (di->chip == BQ27425 || di->chip == BQ27500 || di->chip == BQ27742
|| di->chip == BQ27510)
* Return the battery Relative State-of-Charge
* Or < 0 if something fails.
*/
-static int bq27x00_battery_read_rsoc(struct bq27x00_device_info *di)
+static int bq27xxx_battery_read_rsoc(struct bq27xxx_device_info *di)
{
int rsoc;
if (di->chip == BQ27500 || di->chip == BQ27742)
- rsoc = bq27x00_read(di, BQ27500_REG_SOC, false);
+ rsoc = bq27xxx_read(di, BQ27500_REG_SOC, false);
else if (di->chip == BQ27510)
- rsoc = bq27x00_read(di, BQ27510_REG_SOC, false);
+ rsoc = bq27xxx_read(di, BQ27510_REG_SOC, false);
else if (di->chip == BQ27425)
- rsoc = bq27x00_read(di, BQ27425_REG_SOC, false);
+ rsoc = bq27xxx_read(di, BQ27425_REG_SOC, false);
else
- rsoc = bq27x00_read(di, BQ27000_REG_RSOC, true);
+ rsoc = bq27xxx_read(di, BQ27000_REG_RSOC, true);
if (rsoc < 0)
dev_dbg(di->dev, "error reading relative State-of-Charge\n");
* Return a battery charge value in µAh
* Or < 0 if something fails.
*/
-static int bq27x00_battery_read_charge(struct bq27x00_device_info *di, u8 reg)
+static int bq27xxx_battery_read_charge(struct bq27xxx_device_info *di, u8 reg)
{
int charge;
- charge = bq27x00_read(di, reg, false);
+ charge = bq27xxx_read(di, reg, false);
if (charge < 0) {
dev_dbg(di->dev, "error reading charge register %02x: %d\n",
reg, charge);
if (bq27xxx_is_chip_version_higher(di))
charge *= 1000;
else
- charge = charge * 3570 / BQ27000_RS;
+ charge = charge * 3570 / BQ27XXX_RS;
return charge;
}
* Return the battery Nominal available capaciy in µAh
* Or < 0 if something fails.
*/
-static inline int bq27x00_battery_read_nac(struct bq27x00_device_info *di)
+static inline int bq27xxx_battery_read_nac(struct bq27xxx_device_info *di)
{
int flags;
bool is_bq27500 = di->chip == BQ27500;
bool is_higher = bq27xxx_is_chip_version_higher(di);
bool flags_1b = !(is_bq27500 || is_bq27742);
- flags = bq27x00_read(di, BQ27x00_REG_FLAGS, flags_1b);
+ flags = bq27xxx_read(di, BQ27x00_REG_FLAGS, flags_1b);
if (flags >= 0 && !is_higher && (flags & BQ27000_FLAG_CI))
return -ENODATA;
- return bq27x00_battery_read_charge(di, BQ27x00_REG_NAC);
+ return bq27xxx_battery_read_charge(di, BQ27x00_REG_NAC);
}
/*
* Return the battery Last measured discharge in µAh
* Or < 0 if something fails.
*/
-static inline int bq27x00_battery_read_lmd(struct bq27x00_device_info *di)
+static inline int bq27xxx_battery_read_lmd(struct bq27xxx_device_info *di)
{
- return bq27x00_battery_read_charge(di, BQ27x00_REG_LMD);
+ return bq27xxx_battery_read_charge(di, BQ27x00_REG_LMD);
}
/*
* Return the battery Initial last measured discharge in µAh
* Or < 0 if something fails.
*/
-static int bq27x00_battery_read_ilmd(struct bq27x00_device_info *di)
+static int bq27xxx_battery_read_ilmd(struct bq27xxx_device_info *di)
{
int ilmd;
if (bq27xxx_is_chip_version_higher(di)) {
if (di->chip == BQ27425)
- ilmd = bq27x00_read(di, BQ27425_REG_DCAP, false);
+ ilmd = bq27xxx_read(di, BQ27425_REG_DCAP, false);
else if (di->chip == BQ27510)
- ilmd = bq27x00_read(di, BQ27510_REG_DCAP, false);
+ ilmd = bq27xxx_read(di, BQ27510_REG_DCAP, false);
else
- ilmd = bq27x00_read(di, BQ27500_REG_DCAP, false);
+ ilmd = bq27xxx_read(di, BQ27500_REG_DCAP, false);
} else {
- ilmd = bq27x00_read(di, BQ27000_REG_ILMD, true);
+ ilmd = bq27xxx_read(di, BQ27000_REG_ILMD, true);
}
if (ilmd < 0) {
if (bq27xxx_is_chip_version_higher(di))
ilmd *= 1000;
else
- ilmd = ilmd * 256 * 3570 / BQ27000_RS;
+ ilmd = ilmd * 256 * 3570 / BQ27XXX_RS;
return ilmd;
}
* Return the battery Available energy in µWh
* Or < 0 if something fails.
*/
-static int bq27x00_battery_read_energy(struct bq27x00_device_info *di)
+static int bq27xxx_battery_read_energy(struct bq27xxx_device_info *di)
{
int ae;
- ae = bq27x00_read(di, BQ27x00_REG_AE, false);
+ ae = bq27xxx_read(di, BQ27x00_REG_AE, false);
if (ae < 0) {
dev_dbg(di->dev, "error reading available energy\n");
return ae;
if (di->chip == BQ27500)
ae *= 1000;
else
- ae = ae * 29200 / BQ27000_RS;
+ ae = ae * 29200 / BQ27XXX_RS;
return ae;
}
* Return the battery temperature in tenths of degree Kelvin
* Or < 0 if something fails.
*/
-static int bq27x00_battery_read_temperature(struct bq27x00_device_info *di)
+static int bq27xxx_battery_read_temperature(struct bq27xxx_device_info *di)
{
int temp;
- temp = bq27x00_read(di, BQ27x00_REG_TEMP, false);
+ temp = bq27xxx_read(di, BQ27x00_REG_TEMP, false);
if (temp < 0) {
dev_err(di->dev, "error reading temperature\n");
return temp;
* Return the battery Cycle count total
* Or < 0 if something fails.
*/
-static int bq27x00_battery_read_cyct(struct bq27x00_device_info *di)
+static int bq27xxx_battery_read_cyct(struct bq27xxx_device_info *di)
{
int cyct;
if (di->chip == BQ27510)
- cyct = bq27x00_read(di, BQ27510_REG_CYCT, false);
+ cyct = bq27xxx_read(di, BQ27510_REG_CYCT, false);
else
- cyct = bq27x00_read(di, BQ27x00_REG_CYCT, false);
+ cyct = bq27xxx_read(di, BQ27x00_REG_CYCT, false);
if (cyct < 0)
dev_err(di->dev, "error reading cycle count total\n");
* Read a time register.
* Return < 0 if something fails.
*/
-static int bq27x00_battery_read_time(struct bq27x00_device_info *di, u8 reg)
+static int bq27xxx_battery_read_time(struct bq27xxx_device_info *di, u8 reg)
{
int tval;
- tval = bq27x00_read(di, reg, false);
+ tval = bq27xxx_read(di, reg, false);
if (tval < 0) {
dev_dbg(di->dev, "error reading time register %02x: %d\n",
reg, tval);
* Read a power avg register.
* Return < 0 if something fails.
*/
-static int bq27x00_battery_read_pwr_avg(struct bq27x00_device_info *di, u8 reg)
+static int bq27xxx_battery_read_pwr_avg(struct bq27xxx_device_info *di, u8 reg)
{
int tval;
- tval = bq27x00_read(di, reg, false);
+ tval = bq27xxx_read(di, reg, false);
if (tval < 0) {
dev_err(di->dev, "error reading power avg rgister %02x: %d\n",
reg, tval);
if (di->chip == BQ27500)
return tval;
else
- return (tval * BQ27x00_POWER_CONSTANT) / BQ27000_RS;
+ return (tval * BQ27XXX_POWER_CONSTANT) / BQ27XXX_RS;
}
/*
* Read flag register.
* Return < 0 if something fails.
*/
-static int bq27x00_battery_read_health(struct bq27x00_device_info *di)
+static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di)
{
int tval;
- tval = bq27x00_read(di, BQ27x00_REG_FLAGS, false);
+ tval = bq27xxx_read(di, BQ27x00_REG_FLAGS, false);
if (tval < 0) {
dev_err(di->dev, "error reading flag register:%d\n", tval);
return tval;
return -1;
}
-static void bq27x00_update(struct bq27x00_device_info *di)
+static void bq27xxx_battery_update(struct bq27xxx_device_info *di)
{
- struct bq27x00_reg_cache cache = {0, };
+ struct bq27xxx_reg_cache cache = {0, };
bool is_bq27500 = di->chip == BQ27500;
bool is_bq27510 = di->chip == BQ27510;
bool is_bq27425 = di->chip == BQ27425;
bool is_bq27742 = di->chip == BQ27742;
bool flags_1b = !(is_bq27500 || is_bq27742);
- cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, flags_1b);
+ cache.flags = bq27xxx_read(di, BQ27x00_REG_FLAGS, flags_1b);
if ((cache.flags & 0xff) == 0xff)
/* read error */
cache.flags = -1;
cache.charge_full = -ENODATA;
cache.health = -ENODATA;
} else {
- cache.capacity = bq27x00_battery_read_rsoc(di);
+ cache.capacity = bq27xxx_battery_read_rsoc(di);
if (is_bq27742 || is_bq27510)
cache.time_to_empty =
- bq27x00_battery_read_time(di,
+ bq27xxx_battery_read_time(di,
BQ27x00_REG_TTE);
else if (!is_bq27425) {
- cache.energy = bq27x00_battery_read_energy(di);
+ cache.energy = bq27xxx_battery_read_energy(di);
cache.time_to_empty =
- bq27x00_battery_read_time(di,
+ bq27xxx_battery_read_time(di,
BQ27x00_REG_TTE);
cache.time_to_empty_avg =
- bq27x00_battery_read_time(di,
+ bq27xxx_battery_read_time(di,
BQ27x00_REG_TTECP);
cache.time_to_full =
- bq27x00_battery_read_time(di,
+ bq27xxx_battery_read_time(di,
BQ27x00_REG_TTF);
}
- cache.charge_full = bq27x00_battery_read_lmd(di);
- cache.health = bq27x00_battery_read_health(di);
+ cache.charge_full = bq27xxx_battery_read_lmd(di);
+ cache.health = bq27xxx_battery_read_health(di);
}
- cache.temperature = bq27x00_battery_read_temperature(di);
+ cache.temperature = bq27xxx_battery_read_temperature(di);
if (!is_bq27425)
- cache.cycle_count = bq27x00_battery_read_cyct(di);
+ cache.cycle_count = bq27xxx_battery_read_cyct(di);
if (is_bq27742)
cache.power_avg =
- bq27x00_battery_read_pwr_avg(di,
+ bq27xxx_battery_read_pwr_avg(di,
BQ27742_POWER_AVG);
else
cache.power_avg =
- bq27x00_battery_read_pwr_avg(di,
+ bq27xxx_battery_read_pwr_avg(di,
BQ27x00_POWER_AVG);
/* We only have to read charge design full once */
if (di->charge_design_full <= 0)
- di->charge_design_full = bq27x00_battery_read_ilmd(di);
+ di->charge_design_full = bq27xxx_battery_read_ilmd(di);
}
if (di->cache.capacity != cache.capacity)
di->last_update = jiffies;
}
-static void bq27x00_battery_poll(struct work_struct *work)
+static void bq27xxx_battery_poll(struct work_struct *work)
{
- struct bq27x00_device_info *di =
- container_of(work, struct bq27x00_device_info, work.work);
+ struct bq27xxx_device_info *di =
+ container_of(work, struct bq27xxx_device_info, work.work);
- bq27x00_update(di);
+ bq27xxx_battery_update(di);
if (poll_interval > 0) {
/* The timer does not have to be accurate. */
* Note that current can be negative signed as well
* Or 0 if something fails.
*/
-static int bq27x00_battery_current(struct bq27x00_device_info *di,
+static int bq27xxx_battery_current(struct bq27xxx_device_info *di,
union power_supply_propval *val)
{
int curr;
int flags;
- curr = bq27x00_read(di, BQ27x00_REG_AI, false);
+ curr = bq27xxx_read(di, BQ27x00_REG_AI, false);
if (curr < 0) {
dev_err(di->dev, "error reading current\n");
return curr;
/* bq27500 returns signed value */
val->intval = (int)((s16)curr) * 1000;
} else {
- flags = bq27x00_read(di, BQ27x00_REG_FLAGS, false);
+ flags = bq27xxx_read(di, BQ27x00_REG_FLAGS, false);
if (flags & BQ27000_FLAG_CHGS) {
dev_dbg(di->dev, "negative current!\n");
curr = -curr;
}
- val->intval = curr * 3570 / BQ27000_RS;
+ val->intval = curr * 3570 / BQ27XXX_RS;
}
return 0;
}
-static int bq27x00_battery_status(struct bq27x00_device_info *di,
+static int bq27xxx_battery_status(struct bq27xxx_device_info *di,
union power_supply_propval *val)
{
int status;
return 0;
}
-static int bq27x00_battery_capacity_level(struct bq27x00_device_info *di,
+static int bq27xxx_battery_capacity_level(struct bq27xxx_device_info *di,
union power_supply_propval *val)
{
int level;
* Return the battery Voltage in millivolts
* Or < 0 if something fails.
*/
-static int bq27x00_battery_voltage(struct bq27x00_device_info *di,
+static int bq27xxx_battery_voltage(struct bq27xxx_device_info *di,
union power_supply_propval *val)
{
int volt;
- volt = bq27x00_read(di, BQ27x00_REG_VOLT, false);
+ volt = bq27xxx_read(di, BQ27x00_REG_VOLT, false);
if (volt < 0) {
dev_err(di->dev, "error reading voltage\n");
return volt;
return 0;
}
-static int bq27x00_simple_value(int value,
+static int bq27xxx_simple_value(int value,
union power_supply_propval *val)
{
if (value < 0)
return 0;
}
-static int bq27x00_battery_get_property(struct power_supply *psy,
+static int bq27xxx_battery_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
int ret = 0;
- struct bq27x00_device_info *di = power_supply_get_drvdata(psy);
+ struct bq27xxx_device_info *di = power_supply_get_drvdata(psy);
mutex_lock(&di->lock);
if (time_is_before_jiffies(di->last_update + 5 * HZ)) {
cancel_delayed_work_sync(&di->work);
- bq27x00_battery_poll(&di->work.work);
+ bq27xxx_battery_poll(&di->work.work);
}
mutex_unlock(&di->lock);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
- ret = bq27x00_battery_status(di, val);
+ ret = bq27xxx_battery_status(di, val);
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
- ret = bq27x00_battery_voltage(di, val);
+ ret = bq27xxx_battery_voltage(di, val);
break;
case POWER_SUPPLY_PROP_PRESENT:
val->intval = di->cache.flags < 0 ? 0 : 1;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
- ret = bq27x00_battery_current(di, val);
+ ret = bq27xxx_battery_current(di, val);
break;
case POWER_SUPPLY_PROP_CAPACITY:
- ret = bq27x00_simple_value(di->cache.capacity, val);
+ ret = bq27xxx_simple_value(di->cache.capacity, val);
break;
case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
- ret = bq27x00_battery_capacity_level(di, val);
+ ret = bq27xxx_battery_capacity_level(di, val);
break;
case POWER_SUPPLY_PROP_TEMP:
- ret = bq27x00_simple_value(di->cache.temperature, val);
+ ret = bq27xxx_simple_value(di->cache.temperature, val);
if (ret == 0)
val->intval -= 2731;
break;
case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
- ret = bq27x00_simple_value(di->cache.time_to_empty, val);
+ ret = bq27xxx_simple_value(di->cache.time_to_empty, val);
break;
case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
- ret = bq27x00_simple_value(di->cache.time_to_empty_avg, val);
+ ret = bq27xxx_simple_value(di->cache.time_to_empty_avg, val);
break;
case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
- ret = bq27x00_simple_value(di->cache.time_to_full, val);
+ ret = bq27xxx_simple_value(di->cache.time_to_full, val);
break;
case POWER_SUPPLY_PROP_TECHNOLOGY:
val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
break;
case POWER_SUPPLY_PROP_CHARGE_NOW:
- ret = bq27x00_simple_value(bq27x00_battery_read_nac(di), val);
+ ret = bq27xxx_simple_value(bq27xxx_battery_read_nac(di), val);
break;
case POWER_SUPPLY_PROP_CHARGE_FULL:
- ret = bq27x00_simple_value(di->cache.charge_full, val);
+ ret = bq27xxx_simple_value(di->cache.charge_full, val);
break;
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
- ret = bq27x00_simple_value(di->charge_design_full, val);
+ ret = bq27xxx_simple_value(di->charge_design_full, val);
break;
case POWER_SUPPLY_PROP_CYCLE_COUNT:
- ret = bq27x00_simple_value(di->cache.cycle_count, val);
+ ret = bq27xxx_simple_value(di->cache.cycle_count, val);
break;
case POWER_SUPPLY_PROP_ENERGY_NOW:
- ret = bq27x00_simple_value(di->cache.energy, val);
+ ret = bq27xxx_simple_value(di->cache.energy, val);
break;
case POWER_SUPPLY_PROP_POWER_AVG:
- ret = bq27x00_simple_value(di->cache.power_avg, val);
+ ret = bq27xxx_simple_value(di->cache.power_avg, val);
break;
case POWER_SUPPLY_PROP_HEALTH:
- ret = bq27x00_simple_value(di->cache.health, val);
+ ret = bq27xxx_simple_value(di->cache.health, val);
break;
case POWER_SUPPLY_PROP_MANUFACTURER:
val->strval = BQ27XXX_MANUFACTURER;
return ret;
}
-static void bq27x00_external_power_changed(struct power_supply *psy)
+static void bq27xxx_external_power_changed(struct power_supply *psy)
{
- struct bq27x00_device_info *di = power_supply_get_drvdata(psy);
+ struct bq27xxx_device_info *di = power_supply_get_drvdata(psy);
cancel_delayed_work_sync(&di->work);
schedule_delayed_work(&di->work, 0);
}
-static int bq27x00_powersupply_init(struct bq27x00_device_info *di,
+static int bq27xxx_powersupply_init(struct bq27xxx_device_info *di,
const char *name)
{
int ret;
psy_desc->properties = bq27x00_battery_props;
psy_desc->num_properties = ARRAY_SIZE(bq27x00_battery_props);
}
- psy_desc->get_property = bq27x00_battery_get_property;
- psy_desc->external_power_changed = bq27x00_external_power_changed;
+ psy_desc->get_property = bq27xxx_battery_get_property;
+ psy_desc->external_power_changed = bq27xxx_external_power_changed;
- INIT_DELAYED_WORK(&di->work, bq27x00_battery_poll);
+ INIT_DELAYED_WORK(&di->work, bq27xxx_battery_poll);
mutex_init(&di->lock);
di->bat = power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg);
dev_info(di->dev, "support ver. %s enabled\n", DRIVER_VERSION);
- bq27x00_update(di);
+ bq27xxx_battery_update(di);
return 0;
}
-static void bq27x00_powersupply_unregister(struct bq27x00_device_info *di)
+static void bq27xxx_powersupply_unregister(struct bq27xxx_device_info *di)
{
/*
- * power_supply_unregister call bq27x00_battery_get_property which
- * call bq27x00_battery_poll.
- * Make sure that bq27x00_battery_poll will not call
+ * power_supply_unregister call bq27xxx_battery_get_property which
+ * call bq27xxx_battery_poll.
+ * Make sure that bq27xxx_battery_poll will not call
* schedule_delayed_work again after unregister (which cause OOPS).
*/
poll_interval = 0;
}
/* i2c specific code */
-#ifdef CONFIG_BATTERY_BQ27X00_I2C
+#ifdef CONFIG_BATTERY_BQ27XXX_I2C
/* If the system has several batteries we need a different name for each
* of them...
static DEFINE_IDR(battery_id);
static DEFINE_MUTEX(battery_mutex);
-static int bq27x00_read_i2c(struct bq27x00_device_info *di, u8 reg, bool single)
+static int bq27xxx_battery_i2c_read(struct bq27xxx_device_info *di, u8 reg,
+ bool single)
{
struct i2c_client *client = to_i2c_client(di->dev);
struct i2c_msg msg[2];
return ret;
}
-static int bq27x00_battery_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int bq27xxx_battery_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
char *name;
- struct bq27x00_device_info *di;
+ struct bq27xxx_device_info *di;
int num;
int retval = 0;
di->id = num;
di->dev = &client->dev;
di->chip = id->driver_data;
- di->bus.read = &bq27x00_read_i2c;
+ di->bus.read = &bq27xxx_battery_i2c_read;
- retval = bq27x00_powersupply_init(di, name);
+ retval = bq27xxx_powersupply_init(di, name);
if (retval)
goto batt_failed;
return retval;
}
-static int bq27x00_battery_remove(struct i2c_client *client)
+static int bq27xxx_battery_i2c_remove(struct i2c_client *client)
{
- struct bq27x00_device_info *di = i2c_get_clientdata(client);
+ struct bq27xxx_device_info *di = i2c_get_clientdata(client);
- bq27x00_powersupply_unregister(di);
+ bq27xxx_powersupply_unregister(di);
mutex_lock(&battery_mutex);
idr_remove(&battery_id, di->id);
return 0;
}
-static const struct i2c_device_id bq27x00_id[] = {
+static const struct i2c_device_id bq27xxx_id[] = {
{ "bq27200", BQ27000 }, /* bq27200 is same as bq27000, but with i2c */
{ "bq27500", BQ27500 },
{ "bq27425", BQ27425 },
{ "bq27510", BQ27510 },
{},
};
-MODULE_DEVICE_TABLE(i2c, bq27x00_id);
+MODULE_DEVICE_TABLE(i2c, bq27xxx_id);
-static struct i2c_driver bq27x00_battery_driver = {
+static struct i2c_driver bq27xxx_battery_i2c_driver = {
.driver = {
- .name = "bq27x00-battery",
+ .name = "bq27xxx-battery",
},
- .probe = bq27x00_battery_probe,
- .remove = bq27x00_battery_remove,
- .id_table = bq27x00_id,
+ .probe = bq27xxx_battery_i2c_probe,
+ .remove = bq27xxx_battery_i2c_remove,
+ .id_table = bq27xxx_id,
};
-static inline int bq27x00_battery_i2c_init(void)
+static inline int bq27xxx_battery_i2c_init(void)
{
- int ret = i2c_add_driver(&bq27x00_battery_driver);
+ int ret = i2c_add_driver(&bq27xxx_battery_i2c_driver);
if (ret)
- pr_err("Unable to register BQ27x00 i2c driver\n");
+ pr_err("Unable to register BQ27xxx i2c driver\n");
return ret;
}
-static inline void bq27x00_battery_i2c_exit(void)
+static inline void bq27xxx_battery_i2c_exit(void)
{
- i2c_del_driver(&bq27x00_battery_driver);
+ i2c_del_driver(&bq27xxx_battery_i2c_driver);
}
#else
-static inline int bq27x00_battery_i2c_init(void) { return 0; }
-static inline void bq27x00_battery_i2c_exit(void) {};
+static inline int bq27xxx_battery_i2c_init(void) { return 0; }
+static inline void bq27xxx_battery_i2c_exit(void) {};
#endif
/* platform specific code */
-#ifdef CONFIG_BATTERY_BQ27X00_PLATFORM
+#ifdef CONFIG_BATTERY_BQ27XXX_PLATFORM
-static int bq27000_read_platform(struct bq27x00_device_info *di, u8 reg,
- bool single)
+static int bq27xxx_battery_platform_read(struct bq27xxx_device_info *di, u8 reg,
+ bool single)
{
struct device *dev = di->dev;
- struct bq27000_platform_data *pdata = dev->platform_data;
+ struct bq27xxx_platform_data *pdata = dev->platform_data;
unsigned int timeout = 3;
int upper, lower;
int temp;
return pdata->read(dev, reg);
}
-static int bq27000_battery_probe(struct platform_device *pdev)
+static int bq27xxx_battery_platform_probe(struct platform_device *pdev)
{
- struct bq27x00_device_info *di;
- struct bq27000_platform_data *pdata = pdev->dev.platform_data;
+ struct bq27xxx_device_info *di;
+ struct bq27xxx_platform_data *pdata = pdev->dev.platform_data;
const char *name;
if (!pdata) {
di->chip = BQ27000;
name = pdata->name ?: dev_name(&pdev->dev);
- di->bus.read = &bq27000_read_platform;
+ di->bus.read = &bq27xxx_battery_platform_read;
- return bq27x00_powersupply_init(di, name);
+ return bq27xxx_powersupply_init(di, name);
}
-static int bq27000_battery_remove(struct platform_device *pdev)
+static int bq27xxx_battery_platform_remove(struct platform_device *pdev)
{
- struct bq27x00_device_info *di = platform_get_drvdata(pdev);
+ struct bq27xxx_device_info *di = platform_get_drvdata(pdev);
- bq27x00_powersupply_unregister(di);
+ bq27xxx_powersupply_unregister(di);
return 0;
}
-static struct platform_driver bq27000_battery_driver = {
- .probe = bq27000_battery_probe,
- .remove = bq27000_battery_remove,
+static struct platform_driver bq27xxx_battery_platform_driver = {
+ .probe = bq27xxx_battery_platform_probe,
+ .remove = bq27xxx_battery_platform_remove,
.driver = {
.name = "bq27000-battery",
},
};
-static inline int bq27x00_battery_platform_init(void)
+static inline int bq27xxx_battery_platform_init(void)
{
- int ret = platform_driver_register(&bq27000_battery_driver);
+ int ret = platform_driver_register(&bq27xxx_battery_platform_driver);
if (ret)
- pr_err("Unable to register BQ27000 platform driver\n");
+ pr_err("Unable to register BQ27xxx platform driver\n");
return ret;
}
-static inline void bq27x00_battery_platform_exit(void)
+static inline void bq27xxx_battery_platform_exit(void)
{
- platform_driver_unregister(&bq27000_battery_driver);
+ platform_driver_unregister(&bq27xxx_battery_platform_driver);
}
#else
-static inline int bq27x00_battery_platform_init(void) { return 0; }
-static inline void bq27x00_battery_platform_exit(void) {};
+static inline int bq27xxx_battery_platform_init(void) { return 0; }
+static inline void bq27xxx_battery_platform_exit(void) {};
#endif
* Module stuff
*/
-static int __init bq27x00_battery_init(void)
+static int __init bq27xxx_battery_init(void)
{
int ret;
- ret = bq27x00_battery_i2c_init();
+ ret = bq27xxx_battery_i2c_init();
if (ret)
return ret;
- ret = bq27x00_battery_platform_init();
+ ret = bq27xxx_battery_platform_init();
if (ret)
- bq27x00_battery_i2c_exit();
+ bq27xxx_battery_i2c_exit();
return ret;
}
-module_init(bq27x00_battery_init);
+module_init(bq27xxx_battery_init);
-static void __exit bq27x00_battery_exit(void)
+static void __exit bq27xxx_battery_exit(void)
{
- bq27x00_battery_platform_exit();
- bq27x00_battery_i2c_exit();
+ bq27xxx_battery_platform_exit();
+ bq27xxx_battery_i2c_exit();
}
-module_exit(bq27x00_battery_exit);
+module_exit(bq27xxx_battery_exit);
-#ifdef CONFIG_BATTERY_BQ27X00_PLATFORM
+#ifdef CONFIG_BATTERY_BQ27XXX_PLATFORM
MODULE_ALIAS("platform:bq27000-battery");
#endif
MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>");
-MODULE_DESCRIPTION("BQ27x00 battery monitor driver");
+MODULE_DESCRIPTION("BQ27xxx battery monitor driver");
MODULE_LICENSE("GPL");
projects / karo-tx-linux.git / commitdiff