#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>
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;
if (deemph > 1)
return -EINVAL;
- mutex_lock(&codec->mutex);
+ mutex_lock(&wm8903->lock);
if (wm8903->deemph != deemph) {
wm8903->deemph = deemph;
ret = 1;
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&wm8903->lock);
return ret;
}
.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;
}
}
#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,
GFP_KERNEL);
if (wm8903 == NULL)
return -ENOMEM;
+
+ mutex_init(&wm8903->lock);
wm8903->dev = &i2c->dev;
wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap);