diff options
| author | Takashi Iwai <tiwai@suse.de> | 2013-11-13 09:42:56 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-11-13 09:44:33 +0100 |
| commit | f710a9fbd3a894be5706956cd619b369f5acc474 (patch) | |
| tree | 477245d3203a1a015ec1e65550159f0de67ee506 /sound/pci/hda/patch_analog.c | |
| parent | 7a3e6107f94344e65c35bfe62de6c096a7b48965 (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/pci/hda/patch_analog.c')
| -rw-r--r-- | sound/pci/hda/patch_analog.c | 27 |
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) { |