From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 14 Oct 2013 17:17:50 +0000 (-0400)
Subject: drm/radeon: rework audio option
X-Git-Tag: v3.12-rc7~26^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=108dc8e8b44a4c64ac53676cc05f6234340ccd4a;p=pandora-kernel.git

drm/radeon: rework audio option

In 3.12 I changed audio to be enabled by default,
but you still had to turn it on via xrandr.  This
was confusing to users so change it to minic the
previous behavior:

- audio option is set to -1 (auto) by default which is
  the current 3.12 behavior (audio is enabled but requires
  xrandr to turn it on).
- if audio = 1, the audio is enabled without needing
  to mess with xrandr (previous behavior)
- audio = 0 disables audio

It retains the new feature of allowing the user to enable
audio on the fly with xrandr, but turns audio on
automatically if radeon.audio=1 is set which is what
most users expect.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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