From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 17 May 2006 15:10:35 +0000 (+0200)
Subject: [ALSA] Fix pcm-draining of capture stream in PCM middle layer
X-Git-Tag: v2.6.18-rc1~1081^2~293
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0fbf405c583e6ee6d7227eb938a096d0998f7e78;p=linux-2.6

[ALSA] Fix pcm-draining of capture stream in PCM middle layer

Fix the draining of PCM capture stream in the PCM middle layer.
snd_pcm_drain() ignored capture streams, but it should change
the state to SNDRV_PCM_DRAINING.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index a998f88e3f..9e495244ee 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1469,8 +1469,6 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream)
 		}
 	}
 	up_read(&snd_pcm_link_rwsem);
-	if (! num_drecs)
-		goto _error;
 
 	snd_pcm_stream_lock_irq(substream);
 	/* resume pause */