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authorWu Fengguang <fengguang.wu@intel.com>2012-02-14 11:45:36 +0800
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-02-14 10:03:18 +0100
commitb1d7e4b41fd0f72ea8149056778db5d737739305 (patch)
treed87dcbde66dfa08193af2184ec98aa16a17a4dce /drivers/gpu/drm/i915/i915_drv.h
parent8ac5a6d5b56700c006baa94272b63f2d3fdf6b06 (diff)
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op-kernel-dev-b1d7e4b41fd0f72ea8149056778db5d737739305.tar.gz
drm/i915: add a "force-dvi" HDMI audio mode
When HDMI-DVI converter is used, it's not only necessary to turn off audio, but also to disable HDMI_MODE_SELECT and video infoframe. Since the DVI mode is mainly tied to audio functionality from end user POV, add a new "force-dvi" audio mode: xrandr --output HDMI1 --set audio force-dvi Note that most users won't need to set this and happily rely on the EDID based DVI auto detection. Reported-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 563d24e..caec1fd 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -762,6 +762,13 @@ typedef struct drm_i915_private {
struct drm_property *force_audio_property;
} drm_i915_private_t;
+enum hdmi_force_audio {
+ HDMI_AUDIO_OFF_DVI = -2, /* no aux data for HDMI-DVI converter */
+ HDMI_AUDIO_OFF, /* force turn off HDMI audio */
+ HDMI_AUDIO_AUTO, /* trust EDID */
+ HDMI_AUDIO_ON, /* force turn on HDMI audio */
+};
+
enum i915_cache_level {
I915_CACHE_NONE,
I915_CACHE_LLC,
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