---------------------
PatchSet 3116 
Date: 2005/04/12 17:33:59
Author: tiwai
Branch: HEAD
Tag: (none) 
Log:
Summary: Fix capture on OSS emulation

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

Members: 
	core/oss/pcm_oss.c:1.86->1.87 

Index: /sound/core/oss/pcm_oss.c
diff -u /sound/core/oss/pcm_oss.c.old /sound/core/oss/pcm_oss.c
--- /sound/core/oss/pcm_oss.c.old	Tue Mar 22 07:31:21 2005
+++ /sound/core/oss/pcm_oss.c	Tue Apr 12 09:33:59 2005
@@ -464,7 +464,8 @@
 	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)) {