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ALSA: hda - Haswell codec exposes device list/select info on pins

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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>
This commit is contained in:
Mengdong Lin 2013-08-26 21:35:41 -04:00 committed by Takashi Iwai
parent 7a624ea562
commit 5dc989bdd9
1 changed files with 3 additions and 1 deletions
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4
sound/pci/hda/patch_hdmi.c
View File

@ -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);