aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2013-11-13 03:42:56 -0500
committerTakashi Iwai <tiwai@suse.de>2013-11-13 03:44:33 -0500
commitf710a9fbd3a894be5706956cd619b369f5acc474 (patch)
tree477245d3203a1a015ec1e65550159f0de67ee506 /sound/pci
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/pci')
-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)
139} 139}
140#endif 140#endif
141 141
142/* follow EAPD via vmaster hook */
143static void ad_vmaster_eapd_hook(void *private_data, int enabled)
144{
145 struct hda_codec *codec = private_data;
146 struct ad198x_spec *spec = codec->spec;
147
148 if (!spec->eapd_nid)
149 return;
150 snd_hda_codec_update_cache(codec, spec->eapd_nid, 0,
151 AC_VERB_SET_EAPD_BTLENABLE,
152 enabled ? 0x02 : 0x00);
153}
142 154
143/* 155/*
144 * Automatic parse of I/O pins from the BIOS configuration 156 * 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,
224 if (action == HDA_FIXUP_ACT_PRE_PROBE) { 236 if (action == HDA_FIXUP_ACT_PRE_PROBE) {
225 codec->inv_jack_detect = 1; 237 codec->inv_jack_detect = 1;
226 spec->gen.keep_eapd_on = 1; 238 spec->gen.keep_eapd_on = 1;
239 spec->gen.vmaster_mute.hook = ad_vmaster_eapd_hook;
240 spec->eapd_nid = 0x1b;
227 } 241 }
228} 242}
229 243
@@ -469,19 +483,6 @@ static int patch_ad1983(struct hda_codec *codec)
469 * AD1981 HD specific 483 * AD1981 HD specific
470 */ 484 */
471 485
472/* follow EAPD via vmaster hook */
473static void ad_vmaster_eapd_hook(void *private_data, int enabled)
474{
475 struct hda_codec *codec = private_data;
476 struct ad198x_spec *spec = codec->spec;
477
478 if (!spec->eapd_nid)
479 return;
480 snd_hda_codec_update_cache(codec, spec->eapd_nid, 0,
481 AC_VERB_SET_EAPD_BTLENABLE,
482 enabled ? 0x02 : 0x00);
483}
484
485static void ad1981_fixup_hp_eapd(struct hda_codec *codec, 486static void ad1981_fixup_hp_eapd(struct hda_codec *codec,
486 const struct hda_fixup *fix, int action) 487 const struct hda_fixup *fix, int action)
487{ 488{