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authorTakashi Iwai <tiwai@suse.de>2019-01-15 10:54:02 +0100
committerTakashi Iwai <tiwai@suse.de>2019-01-15 17:48:23 +0100
commitce7f93e2bd6f649980846914e4a04ad6ba141fa6 (patch)
tree9f6be2034089a6528aa170723f40a5fa9edab165 /sound
parent910e7e1923d52a74183d3aedd45f7fa4c3585400 (diff)
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')
-rw-r--r--sound/core/pcm_native.c11
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