Merge remote-tracking branch 'asoc/topic/si476x' into asoc-next

[karo-tx-linux.git] / sound / soc / codecs / si476x.c

diff --git a/sound/soc/codecs/si476x.c b/sound/soc/codecs/si476x.c
index 566ea3256e2d784c38745ea05972917e19b4021e..721587c9cd847ef6a75df55a8099687df939cea6 100644 (file)
--- a/sound/soc/codecs/si476x.c
+++ b/sound/soc/codecs/si476x.c
@@ -1,3 +1,22 @@
+/*
+ * sound/soc/codecs/si476x.c -- Codec driver for SI476X chips
+ *
+ * Copyright (C) 2012 Innovative Converged Devices(ICD)
+ * Copyright (C) 2013 Andrey Smirnov
+ *
+ * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ */
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <sound/pcm.h>
@@ -45,13 +64,23 @@ static unsigned int si476x_codec_read(struct snd_soc_codec *codec,
                                      unsigned int reg)
 {
        int err;
+       unsigned int val;
        struct si476x_core *core = codec->control_data;
 
        si476x_core_lock(core);
-       err = si476x_core_cmd_get_property(core, reg);
+       if (!si476x_core_is_powered_up(core))
+               regcache_cache_only(core->regmap, true);
+
+       err = regmap_read(core->regmap, reg, &val);
+
+       if (!si476x_core_is_powered_up(core))
+               regcache_cache_only(core->regmap, false);
        si476x_core_unlock(core);
 
-       return err;
+       if (err < 0)
+               return err;
+
+       return val;
 }
 
 static int si476x_codec_write(struct snd_soc_codec *codec,
@@ -61,7 +90,13 @@ static int si476x_codec_write(struct snd_soc_codec *codec,
        struct si476x_core *core = codec->control_data;
 
        si476x_core_lock(core);
-       err = si476x_core_cmd_set_property(core, reg, val);
+       if (!si476x_core_is_powered_up(core))
+               regcache_cache_only(core->regmap, true);
+
+       err = regmap_write(core->regmap, reg, val);
+
+       if (!si476x_core_is_powered_up(core))
+               regcache_cache_only(core->regmap, false);
        si476x_core_unlock(core);
 
        return err;
@@ -140,7 +175,7 @@ static int si476x_codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
                dev_err(codec_dai->codec->dev, "Failed to set output format\n");
                return err;
        }
-       
+
        return 0;
 }
 
@@ -182,7 +217,7 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
 
        err = snd_soc_update_bits(dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
                                  SI476X_DIGITAL_IO_OUTPUT_WIDTH_MASK,
-                                 (width << SI476X_DIGITAL_IO_SLOT_SIZE_SHIFT) | 
+                                 (width << SI476X_DIGITAL_IO_SLOT_SIZE_SHIFT) |
                                  (width << SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT));
        if (err < 0) {
                dev_err(dai->codec->dev, "Failed to set output width\n");
@@ -251,6 +286,6 @@ static struct platform_driver si476x_platform_driver = {
 };
 module_platform_driver(si476x_platform_driver);
 
-MODULE_AUTHOR("Andrey Smirnov <andrey.smirnov@convergeddevices.net>");
+MODULE_AUTHOR("Andrey Smirnov <andrew.smirnov@gmail.com>");
 MODULE_DESCRIPTION("ASoC Si4761/64 codec driver");
 MODULE_LICENSE("GPL");