From d3a11e601a51291fbdd40c47f6af6769b6e905ef Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 7 Jul 2009 13:43:35 +0200 Subject: [PATCH] ALSA: hda - Add missing EAPD initialization for VIA codecs 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 --- sound/pci/hda/patch_via.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index c4ddbbc6231a..322e10272474 100644 --- 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); } -- 2.39.2