From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 22 Aug 2014 09:18:48 +0000 (+0200)
Subject: ALSA: pcm: Fix the silence data for DSD formats
X-Git-Tag: omap-fixes-against-v3.17-rc3~37^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=94a988a8ab91c0cdabd2431281ec09dc52d92674;p=pandora-kernel.git

ALSA: pcm: Fix the silence data for DSD formats

Right now we set 0 as the silence data for DSD_U8 and DSD_U16 formats,
but this is actually wrong.  0 is rather the most negative value.
Alternatively, we may take the repeating 0x69 pattern like ffmpeg
deploys.

Reference: https://ffmpeg.org/pipermail/ffmpeg-cvslog/2014-April/076427.html
Suggested-by: Alexander E. Patrakov <patrakov@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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