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Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r--sound/pci/hda/patch_hdmi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index d925742624ee..e8d847819d71 100644
--- 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;