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authorTakashi Iwai <tiwai@suse.de>2013-11-13 09:42:56 +0100
committerTakashi Iwai <tiwai@suse.de>2013-11-13 09:44:33 +0100
commitf710a9fbd3a894be5706956cd619b369f5acc474 (patch)
tree477245d3203a1a015ec1e65550159f0de67ee506 /sound
parent7a3e6107f94344e65c35bfe62de6c096a7b48965 (diff)
ALSA: hda - Control EAPD for Master volume on Lenovo N100
Similarly as other laptops with AD1981 & co codecs, we can control EAPD on AD1986A more safely depending on the Master switch, in order to save some power. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/patch_analog.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index ba37116168ac..1a83559f4cbd 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -139,6 +139,18 @@ static int ad198x_suspend(struct hda_codec *codec)
}
#endif
+/* follow EAPD via vmaster hook */
+static void ad_vmaster_eapd_hook(void *private_data, int enabled)
+{
+ struct hda_codec *codec = private_data;
+ struct ad198x_spec *spec = codec->spec;
+
+ if (!spec->eapd_nid)
+ return;
+ snd_hda_codec_update_cache(codec, spec->eapd_nid, 0,
+ AC_VERB_SET_EAPD_BTLENABLE,
+ enabled ? 0x02 : 0x00);
+}
/*
* Automatic parse of I/O pins from the BIOS configuration
@@ -224,6 +236,8 @@ static void ad_fixup_inv_jack_detect(struct hda_codec *codec,
if (action == HDA_FIXUP_ACT_PRE_PROBE) {
codec->inv_jack_detect = 1;
spec->gen.keep_eapd_on = 1;
+ spec->gen.vmaster_mute.hook = ad_vmaster_eapd_hook;
+ spec->eapd_nid = 0x1b;
}
}
@@ -469,19 +483,6 @@ static int patch_ad1983(struct hda_codec *codec)
* AD1981 HD specific
*/
-/* follow EAPD via vmaster hook */
-static void ad_vmaster_eapd_hook(void *private_data, int enabled)
-{
- struct hda_codec *codec = private_data;
- struct ad198x_spec *spec = codec->spec;
-
- if (!spec->eapd_nid)
- return;
- snd_hda_codec_update_cache(codec, spec->eapd_nid, 0,
- AC_VERB_SET_EAPD_BTLENABLE,
- enabled ? 0x02 : 0x00);
-}
-
static void ad1981_fixup_hp_eapd(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{