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ALSA: hda - Add missing EAPD initialization for VIA codecs
author
Takashi Iwai
<tiwai@suse.de>
Tue, 7 Jul 2009 11:43:35 +0000
(13:43 +0200)
committer
Takashi Iwai
<tiwai@suse.de>
Tue, 7 Jul 2009 11:44:29 +0000
(13:44 +0200)
If the output pin is used and EAPD capability is present, turn on
the EAPD bit. This fixes the silent output problem on ASUS laptops
with VT1708S codec.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/patch_via.c
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diff --git
a/sound/pci/hda/patch_via.c
b/sound/pci/hda/patch_via.c
index
c4ddbbc
..
322e102
100644
(file)
--- a/
sound/pci/hda/patch_via.c
+++ b/
sound/pci/hda/patch_via.c
@@
-320,6
+320,9
@@
static void via_auto_set_output_and_unmute(struct hda_codec *codec,
pin_type);
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
AMP_OUT_UNMUTE);
+ if (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)
+ snd_hda_codec_write(codec, nid, 0,
+ AC_VERB_SET_EAPD_BTLENABLE, 0x02);
}