From: Clemens Ladisch <clemens@ladisch.de>
Date: Thu, 9 Sep 2010 10:24:35 +0000 (+0200)
Subject: ALSA: virtuoso: Xonar DS: add stereo upmixing to center/LFE channels
X-Git-Tag: v2.6.37-rc1~126^2~2^2~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2dbf0ea29c1e4dff4ee5f0c59b367168fa2e5a40;p=pandora-kernel.git

ALSA: virtuoso: Xonar DS: add stereo upmixing to center/LFE channels

Add the possibility to route a mix of the two channels of stereo data to
the center and LFE outputs.  Due to a WM8766 restriction, all surround
and back channels also get the mixed L/R signal in this case.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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