Merge branch 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

[pandora-kernel.git] / drivers / gpu / drm / i915 / intel_dp.c

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 1f4242b..51cb4e3 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1639,6 +1639,24 @@ static int intel_dp_get_modes(struct drm_connector *connector)
        return 0;
 }
 
+static bool
+intel_dp_detect_audio(struct drm_connector *connector)
+{
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
+       struct edid *edid;
+       bool has_audio = false;
+
+       edid = drm_get_edid(connector, &intel_dp->adapter);
+       if (edid) {
+               has_audio = drm_detect_monitor_audio(edid);
+
+               connector->display_info.raw_edid = NULL;
+               kfree(edid);
+       }
+
+       return has_audio;
+}
+
 static int
 intel_dp_set_property(struct drm_connector *connector,
                      struct drm_property *property,
@@ -1652,17 +1670,23 @@ intel_dp_set_property(struct drm_connector *connector,
                return ret;
 
        if (property == intel_dp->force_audio_property) {
-               if (val == intel_dp->force_audio)
+               int i = val;
+               bool has_audio;
+
+               if (i == intel_dp->force_audio)
                        return 0;
 
-               intel_dp->force_audio = val;
+               intel_dp->force_audio = i;
 
-               if (val > 0 && intel_dp->has_audio)
-                       return 0;
-               if (val < 0 && !intel_dp->has_audio)
+               if (i == 0)
+                       has_audio = intel_dp_detect_audio(connector);
+               else
+                       has_audio = i > 0;
+
+               if (has_audio == intel_dp->has_audio)
                        return 0;
 
-               intel_dp->has_audio = val > 0;
+               intel_dp->has_audio = has_audio;
                goto done;
        }