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[ALSA] Fix capture on OSS emulation 

ALSA<-OSS emulation
Fix the noisy capture on some hardwares over OSS emulation.
Change back to avail_min = period_size for capture direction.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-04-12 17:33:59 +02:00 committed by Jaroslav Kysela
parent bd7bf042e8
commit 004e653897
1 changed files with 2 additions and 1 deletions
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3
sound/core/oss/pcm_oss.c
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@ -464,7 +464,8 @@ static int snd_pcm_oss_change_params(snd_pcm_substream_t *substream)
sw_params->tstamp_mode = SNDRV_PCM_TSTAMP_NONE;
sw_params->period_step = 1;
sw_params->sleep_min = 0;
sw_params->avail_min = 1;
sw_params->avail_min = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
1 : runtime->period_size;
sw_params->xfer_align = 1;
if (atomic_read(&runtime->mmap_count) ||
(substream->oss.setup && substream->oss.setup->nosilence)) {