linux-kernel - Re: [sound] mpd loops on current -next

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Date:	Sat, 6 Jun 2009 17:52:44 +0200 (CEST)
From:	Jaroslav Kysela <perex@...ex.cz>
To:	Jiri Slaby <jirislaby@...il.com>
cc:	Takashi Iwai <tiwai@...e.de>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [sound] mpd loops on current -next

On Sat, 6 Jun 2009, Jiri Slaby wrote:

> Hi,
>
> I found a regression in current -next caused by
> c44941e05900fe85f6091456f9e313b446a97ae9
> (PCM midlevel: Do not update hw_ptr_jiffies when hw_ptr is not changed)

Oops. It seems like typo. Could you try this patch, please?

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index dd9126b..bf34603 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -371,7 +371,7 @@ int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream)
  	    runtime->silence_size > 0)
  		snd_pcm_playback_silence(substream, new_hw_ptr);

-	if (runtime->status->hw_ptr != new_hw_ptr)
+	if (runtime->status->hw_ptr == new_hw_ptr)
  		return 0;

  	runtime->hw_ptr_base = hw_base;

 					Thanks,
 						Jaroslav

-----
Jaroslav Kysela <perex@...ex.cz>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.

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