[PATCH 1/3] drm: add helper function to detect monitor audio capability

[Adam Jackson]

On Thu, 2010-09-16 at 14:31 +0800, Zhenyu Wang wrote:
> To help to determine if digital display port needs to enable
> audio output or not. This one adds a helper to get monitor's
> audio capability via EDID CEA extension block.
> 
> Tested-by: Wu Fengguang <fengguang.wu at intel.com>
> Signed-off-by: Zhenyu Wang <zhenyuw at linux.intel.com>

Reviewed-by: Adam Jackson <ajax at redhat.com>

- ajax
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