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| author | Takashi Iwai <tiwai@suse.de> | 2019-01-15 10:54:02 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-01-15 17:48:23 +0100 |
| commit | ce7f93e2bd6f649980846914e4a04ad6ba141fa6 (patch) | |
| tree | 9f6be2034089a6528aa170723f40a5fa9edab165 /sound/core | |
| parent | ALSA: doc: Update the description about PCM suspend procedure (diff) | |
| download | linux-ce7f93e2bd6f649980846914e4a04ad6ba141fa6.tar.xz linux-ce7f93e2bd6f649980846914e4a04ad6ba141fa6.zip | |
ALSA: pcm: Make snd_pcm_suspend() local static
snd_pcm_suspend() is no longer called from outside, so let's make it
local static. Also drop a superfluous NULL check there.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/pcm_native.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 818dff1de545..26afb6b0889a 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1460,29 +1460,24 @@ static const struct action_ops snd_pcm_action_suspend = { .post_action = snd_pcm_post_suspend }; -/** +/* * snd_pcm_suspend - trigger SUSPEND to all linked streams * @substream: the PCM substream * * After this call, all streams are changed to SUSPENDED state. * - * Return: Zero if successful (or @substream is %NULL), or a negative error - * code. + * Return: Zero if successful, or a negative error code. */ -int snd_pcm_suspend(struct snd_pcm_substream *substream) +static int snd_pcm_suspend(struct snd_pcm_substream *substream) { int err; unsigned long flags; - if (! substream) - return 0; - snd_pcm_stream_lock_irqsave(substream, flags); err = snd_pcm_action(&snd_pcm_action_suspend, substream, 0); snd_pcm_stream_unlock_irqrestore(substream, flags); return err; } -EXPORT_SYMBOL(snd_pcm_suspend); /** * snd_pcm_suspend_all - trigger SUSPEND to all substreams in the given pcm |