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ALSA: hda - Sync EAPD with vmaster on AD1984A Thinkpads

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As EAPD on NID 0x12 (speaker pin) is used as the master amp on
Thinkpads with AD1984A codec, we can hook this to vmaster for saving a
bit more power at master mute state.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-10-26 00:33:58 +02:00
parent d601b66616
commit afb5a77931
1 changed files with 4 additions and 1 deletions
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5
sound/pci/hda/patch_analog.c
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@ -973,8 +973,11 @@ static void ad1884_fixup_thinkpad(struct hda_codec *codec,
{
struct ad198x_spec *spec = codec->spec;
if (action == HDA_FIXUP_ACT_PRE_PROBE)
if (action == HDA_FIXUP_ACT_PRE_PROBE) {
spec->gen.keep_eapd_on = 1;
spec->gen.vmaster_mute.hook = ad_vmaster_eapd_hook;
spec->eapd_nid = 0x12;
}
}
/* set magic COEFs for dmic */