[alsa-devel] [PATCH] ALSA: hda - Sync EAPD with vmaster on AD1984A Thinkpads

[Takashi Iwai]

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 at 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