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| author | Takashi Iwai <tiwai@suse.de> | 2007-03-28 17:19:29 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2007-05-11 16:55:54 +0200 |
| commit | b07a14a549589e23be40f6b344df9512ba462e3f (patch) | |
| tree | 0571afe90144cf7b37fdb57b8f627431832e2ef3 /sound/pci/pcxhr | |
| parent | b942cf815b5775288550f99f3790e29815bb70cb (diff) | |
| download | linux-3.10-b07a14a549589e23be40f6b344df9512ba462e3f.tar.gz linux-3.10-b07a14a549589e23be40f6b344df9512ba462e3f.tar.bz2 linux-3.10-b07a14a549589e23be40f6b344df9512ba462e3f.zip | |
[ALSA] pcxhr - Minor optimization in trigger callback
Minor optimization in trigger start callback. This fixes a nasty
compile warning, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/pcxhr')
| -rw-r--r-- | sound/pci/pcxhr/pcxhr.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c index e1bdeed3a46..f7f6a687f03 100644 --- a/sound/pci/pcxhr/pcxhr.c +++ b/sound/pci/pcxhr/pcxhr.c @@ -639,19 +639,21 @@ static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd) { struct pcxhr_stream *stream; struct snd_pcm_substream *s; - int i; switch (cmd) { case SNDRV_PCM_TRIGGER_START: snd_printdd("SNDRV_PCM_TRIGGER_START\n"); - i = 0; - snd_pcm_group_for_each_entry(s, subs) { - stream = s->runtime->private_data; - stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN; - snd_pcm_trigger_done(s, subs); - i++; - } - if (i==1) { + if (snd_pcm_stream_linked(subs)) { + struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); + snd_pcm_group_for_each_entry(s, subs) { + stream = s->runtime->private_data; + stream->status = + PCXHR_STREAM_STATUS_SCHEDULE_RUN; + snd_pcm_trigger_done(s, subs); + } + tasklet_hi_schedule(&chip->mgr->trigger_taskq); + } else { + stream = subs->runtime->private_data; snd_printdd("Only one Substream %c %d\n", stream->pipe->is_capture ? 'C' : 'P', stream->pipe->first_audio); @@ -663,9 +665,6 @@ static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd) if (pcxhr_set_stream_state(stream)) return -EINVAL; stream->status = PCXHR_STREAM_STATUS_RUNNING; - } else { - struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); - tasklet_hi_schedule(&chip->mgr->trigger_taskq); } break; case SNDRV_PCM_TRIGGER_STOP: |