Merge branch 'topic/hda' into for-next

[uclinux-h8/linux.git] / sound / pci / hda / patch_hdmi.c

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index d925742..e8d8478 100644 (file)
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2335,6 +2335,15 @@ static int patch_generic_hdmi(struct hda_codec *codec)
                intel_haswell_fixup_enable_dp12(codec);
        }
 
+       /* For Valleyview/Cherryview, only the display codec is in the display
+        * power well and can use link_power ops to request/release the power.
+        * For Haswell/Broadwell, the controller is also in the power well and
+        * can cover the codec power request, and so need not set this flag.
+        * For previous platforms, there is no such power well feature.
+        */
+       if (is_valleyview_plus(codec))
+               codec->core.link_power_control = 1;
+
        if (is_haswell_plus(codec) || is_valleyview_plus(codec))
                codec->depop_delay = 0;