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Commit 004e6538 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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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: default avatarTakashi Iwai <tiwai@suse.de>
parent bd7bf042

sound/core/oss/pcm_oss.c

+2 −1
Original line number Diff line number Diff line
@@ -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)) {