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| author |   Takashi Iwai <tiwai@suse.de> | 2014-10-31 15:19:36 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-10-31 15:27:02 +0100 |
| commit | aa8edd8ca6a110349b00e360823c64e8cd106289 (patch) | |
| tree | 15be77b41df6d151853da7306f16738309acd325 /sound/core | |
| parent | ALSA: pcm: Simplify snd_pcm_action_lock_irq() (diff) | |
| download | linux-dev-aa8edd8ca6a110349b00e360823c64e8cd106289.tar.xz linux-dev-aa8edd8ca6a110349b00e360823c64e8cd106289.zip | |
ALSA: pcm: Refactoring snd_pcm_action()
Just a small code refactoring to reduce more lines.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/pcm_native.c | 35 |
1 files changed, 10 insertions, 25 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index b92b605fc784..ca224fa2a33a 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -900,14 +900,19 @@ static int snd_pcm_action_single(struct action_ops *ops, return res; } -/* call in mutex-protected context */ -static int snd_pcm_action_mutex(struct action_ops *ops, - struct snd_pcm_substream *substream, - int state) +/* + * Note: call with stream lock + */ +static int snd_pcm_action(struct action_ops *ops, + struct snd_pcm_substream *substream, + int state) { int res; - if (snd_pcm_stream_linked(substream)) { + if (!snd_pcm_stream_linked(substream)) + return snd_pcm_action_single(ops, substream, state); + + if (substream->pcm->nonatomic) { if (!mutex_trylock(&substream->group->mutex)) { mutex_unlock(&substream->self_group.mutex); mutex_lock(&substream->group->mutex); @@ -916,24 +921,6 @@ static int snd_pcm_action_mutex(struct action_ops *ops, res = snd_pcm_action_group(ops, substream, state, 1); mutex_unlock(&substream->group->mutex); } else { - res = snd_pcm_action_single(ops, substream, state); - } - return res; -} - -/* - * Note: call with stream lock - */ -static int snd_pcm_action(struct action_ops *ops, - struct snd_pcm_substream *substream, - int state) -{ - int res; - - if (substream->pcm->nonatomic) - return snd_pcm_action_mutex(ops, substream, state); - - if (snd_pcm_stream_linked(substream)) { if (!spin_trylock(&substream->group->lock)) { spin_unlock(&substream->self_group.lock); spin_lock(&substream->group->lock); @@ -941,8 +928,6 @@ static int snd_pcm_action(struct action_ops *ops, } res = snd_pcm_action_group(ops, substream, state, 1); spin_unlock(&substream->group->lock); - } else { - res = snd_pcm_action_single(ops, substream, state); } return res; } |