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>

diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index ba37116168acd625fb24e9cf78f6504a80347335..1a83559f4cbd27e455a941adaddc6d0513d9dd81 100644 (file)
--- 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)
 {