* [PATCH] ALSA: hda - Sync EAPD with vmaster on AD1984A Thinkpads
@ 2013-10-25 22:36 Takashi Iwai
0 siblings, 0 replies; only message in thread
From: Takashi Iwai @ 2013-10-25 22:36 UTC (permalink / raw)
To: alsa-devel
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>
---
sound/pci/hda/patch_analog.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 2aa2f57..87d2e03 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -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 */
--
1.8.4
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