From 004e65389714721ce0f52a8f0fc22999d3908a2a Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 12 Apr 2005 17:33:59 +0200 Subject: [PATCH] [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 --- sound/core/oss/pcm_oss.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 1a805020f5..6c8fdcaf9f 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -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)) { -- 2.39.5