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Diffstat (limited to 'sound/soc/codecs/wm8903.c')
-rw-r--r--sound/soc/codecs/wm8903.c43
1 files changed, 8 insertions, 35 deletions
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index c038b3e..cc6b0ef 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -26,6 +26,7 @@
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/irq.h>
+#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
@@ -117,12 +118,12 @@ static const struct reg_default wm8903_reg_defaults[] = {
struct wm8903_priv {
struct wm8903_platform_data *pdata;
struct device *dev;
- struct snd_soc_codec *codec;
struct regmap *regmap;
int sysclk;
int irq;
+ struct mutex lock;
int fs;
int deemph;
@@ -457,7 +458,7 @@ static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
if (deemph > 1)
return -EINVAL;
- mutex_lock(&codec->mutex);
+ mutex_lock(&wm8903->lock);
if (wm8903->deemph != deemph) {
wm8903->deemph = deemph;
@@ -465,7 +466,7 @@ static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
ret = 1;
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&wm8903->lock);
return ret;
}
@@ -1757,21 +1758,12 @@ static struct snd_soc_dai_driver wm8903_dai = {
.symmetric_rates = 1,
};
-static int wm8903_suspend(struct snd_soc_codec *codec)
-{
- wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
static int wm8903_resume(struct snd_soc_codec *codec)
{
struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
regcache_sync(wm8903->regmap);
- wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
return 0;
}
@@ -1889,33 +1881,12 @@ static void wm8903_free_gpio(struct wm8903_priv *wm8903)
}
#endif
-static int wm8903_probe(struct snd_soc_codec *codec)
-{
- struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
-
- wm8903->codec = codec;
-
- /* power on device */
- wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- return 0;
-}
-
-/* power down chip */
-static int wm8903_remove(struct snd_soc_codec *codec)
-{
- wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
static struct snd_soc_codec_driver soc_codec_dev_wm8903 = {
- .probe = wm8903_probe,
- .remove = wm8903_remove,
- .suspend = wm8903_suspend,
.resume = wm8903_resume,
.set_bias_level = wm8903_set_bias_level,
.seq_notifier = wm8903_seq_notifier,
+ .suspend_bias_off = true,
+
.controls = wm8903_snd_controls,
.num_controls = ARRAY_SIZE(wm8903_snd_controls),
.dapm_widgets = wm8903_dapm_widgets,
@@ -2023,6 +1994,8 @@ static int wm8903_i2c_probe(struct i2c_client *i2c,
GFP_KERNEL);
if (wm8903 == NULL)
return -ENOMEM;
+
+ mutex_init(&wm8903->lock);
wm8903->dev = &i2c->dev;
wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap);
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