diff options
Diffstat (limited to 'sound/atmel')
| -rw-r--r-- | sound/atmel/ac97c.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c index 693d48f08b88..df0a049192de 100644 --- a/sound/atmel/ac97c.c +++ b/sound/atmel/ac97c.c @@ -88,7 +88,7 @@ static int atmel_ac97c_playback_open(struct snd_pcm_substream *substream) struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; - mutex_lock(&opened_mutex); + guard(mutex)(&opened_mutex); chip->opened++; runtime->hw = atmel_ac97c_hw; if (chip->cur_rate) { @@ -97,7 +97,6 @@ static int atmel_ac97c_playback_open(struct snd_pcm_substream *substream) } if (chip->cur_format) runtime->hw.formats = pcm_format_to_bits(chip->cur_format); - mutex_unlock(&opened_mutex); chip->playback_substream = substream; return 0; } @@ -107,7 +106,7 @@ static int atmel_ac97c_capture_open(struct snd_pcm_substream *substream) struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; - mutex_lock(&opened_mutex); + guard(mutex)(&opened_mutex); chip->opened++; runtime->hw = atmel_ac97c_hw; if (chip->cur_rate) { @@ -116,7 +115,6 @@ static int atmel_ac97c_capture_open(struct snd_pcm_substream *substream) } if (chip->cur_format) runtime->hw.formats = pcm_format_to_bits(chip->cur_format); - mutex_unlock(&opened_mutex); chip->capture_substream = substream; return 0; } @@ -125,13 +123,12 @@ static int atmel_ac97c_playback_close(struct snd_pcm_substream *substream) { struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); - mutex_lock(&opened_mutex); + guard(mutex)(&opened_mutex); chip->opened--; if (!chip->opened) { chip->cur_rate = 0; chip->cur_format = 0; } - mutex_unlock(&opened_mutex); chip->playback_substream = NULL; @@ -142,13 +139,12 @@ static int atmel_ac97c_capture_close(struct snd_pcm_substream *substream) { struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); - mutex_lock(&opened_mutex); + guard(mutex)(&opened_mutex); chip->opened--; if (!chip->opened) { chip->cur_rate = 0; chip->cur_format = 0; } - mutex_unlock(&opened_mutex); chip->capture_substream = NULL; @@ -161,10 +157,9 @@ static int atmel_ac97c_playback_hw_params(struct snd_pcm_substream *substream, struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); /* Set restrictions to params. */ - mutex_lock(&opened_mutex); + guard(mutex)(&opened_mutex); chip->cur_rate = params_rate(hw_params); chip->cur_format = params_format(hw_params); - mutex_unlock(&opened_mutex); return 0; } @@ -175,10 +170,9 @@ static int atmel_ac97c_capture_hw_params(struct snd_pcm_substream *substream, struct atmel_ac97c *chip = snd_pcm_substream_chip(substream); /* Set restrictions to params. */ - mutex_lock(&opened_mutex); + guard(mutex)(&opened_mutex); chip->cur_rate = params_rate(hw_params); chip->cur_format = params_format(hw_params); - mutex_unlock(&opened_mutex); return 0; } |