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authorMengdong Lin <mengdong.lin@intel.com>2013-08-26 21:35:41 -0400
committerTakashi Iwai <tiwai@suse.de>2013-08-27 12:15:22 +0200
commit5dc989bdd968f369fec47d25343868ff9702953a (patch)
tree2d2ac1e9a3f75bc284d1ec0a3870a84ae9796db1 /sound/pci
parent7a624ea56222fc6f6e3ccd135efedc195ba0b28d (diff)
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ALSA: hda - Haswell codec exposes device list/select info on pins
This patch is only to allow codec proc file to expose devices list/select info for Haswell codec pins. Since Haswell Gfx driver cannot support DP1.2 MST now, so all pins' device list is empty, meaning no pin is multi-streaming capaple. Signed-off-by: Mengdong Lin <mengdong.lin@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/patch_hdmi.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 030ca86..87ca984 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1989,8 +1989,10 @@ static int patch_generic_hdmi(struct hda_codec *codec)
return -EINVAL;
}
codec->patch_ops = generic_hdmi_patch_ops;
- if (codec->vendor_id == 0x80862807)
+ if (codec->vendor_id == 0x80862807) {
codec->patch_ops.set_power_state = haswell_set_power_state;
+ codec->dp_mst = true;
+ }
generic_hdmi_init_per_pins(codec);