diff options
Diffstat (limited to 'sound/soc/codecs/wm8962.c')
| -rw-r--r-- | sound/soc/codecs/wm8962.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 9077411..1534d88 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -26,6 +26,7 @@ #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/workqueue.h> +#include <linux/mutex.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/pcm.h> @@ -67,6 +68,7 @@ struct wm8962_priv { int fll_fref; int fll_fout; + struct mutex dsp2_ena_lock; u16 dsp2_ena; struct delayed_work mic_work; @@ -1570,7 +1572,7 @@ static int wm8962_dsp2_ena_put(struct snd_kcontrol *kcontrol, int dsp2_running = snd_soc_read(codec, WM8962_DSP2_POWER_MANAGEMENT) & WM8962_DSP2_ENA; - mutex_lock(&codec->mutex); + mutex_lock(&wm8962->dsp2_ena_lock); if (ucontrol->value.integer.value[0]) wm8962->dsp2_ena |= 1 << shift; @@ -1590,7 +1592,7 @@ static int wm8962_dsp2_ena_put(struct snd_kcontrol *kcontrol, } out: - mutex_unlock(&codec->mutex); + mutex_unlock(&wm8962->dsp2_ena_lock); return ret; } @@ -3552,11 +3554,12 @@ static int wm8962_i2c_probe(struct i2c_client *i2c, unsigned int reg; int ret, i, irq_pol, trigger; - wm8962 = devm_kzalloc(&i2c->dev, sizeof(struct wm8962_priv), - GFP_KERNEL); + wm8962 = devm_kzalloc(&i2c->dev, sizeof(*wm8962), GFP_KERNEL); if (wm8962 == NULL) return -ENOMEM; + mutex_init(&wm8962->dsp2_ena_lock); + i2c_set_clientdata(i2c, wm8962); INIT_DELAYED_WORK(&wm8962->mic_work, wm8962_mic_work); |
