ALSA: hda - Add support of docking auto-mute/mic for AD1984A laptop model

Add the support of automatic mute and mic-switching of the docking
station HP and mic plugs for AD1984A laptop model for some HP machines.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 81 insertions, 40 deletions

diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index f22c3c08a9f0..570e072938ca 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -3703,19 +3703,29 @@ static struct hda_amp_list ad1884a_loopbacks[] = {
  * Port F: Internal speakers
  */
 
-static struct hda_input_mux ad1884a_laptop_capture_source = {
-        .num_items = 4,
-        .items = {
-                { "Mic", 0x0 },         /* port-B */
-                { "Internal Mic", 0x1 }, /* port-C */
-                { "Dock Mic", 0x4 },    /* port-E */
-                { "Mix", 0x3 },
-        },
-};
+static int ad1884a_mobile_master_sw_put(struct snd_kcontrol *kcontrol,
+                                        struct snd_ctl_elem_value *ucontrol)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        int ret = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
+        int mute = (!ucontrol->value.integer.value[0] &&
+                    !ucontrol->value.integer.value[1]);
+        /* toggle GPIO1 according to the mute state */
+        snd_hda_codec_write_cache(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
+                            mute ? 0x02 : 0x0);
+        return ret;
+}
 
 static struct snd_kcontrol_new ad1884a_laptop_mixers[] = {
         HDA_CODEC_VOLUME("Master Playback Volume", 0x21, 0x0, HDA_OUTPUT),
-        HDA_CODEC_MUTE("Master Playback Switch", 0x21, 0x0, HDA_OUTPUT),
+        {
+                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+                .name = "Master Playback Switch",
+                .info = snd_hda_mixer_amp_switch_info,
+                .get = snd_hda_mixer_amp_switch_get,
+                .put = ad1884a_mobile_master_sw_put,
+                .private_value = HDA_COMPOSE_AMP_VAL(0x21, 3, 0, HDA_OUTPUT),
+        },
         HDA_CODEC_MUTE("Dock Playback Switch", 0x12, 0x0, HDA_OUTPUT),
         HDA_CODEC_VOLUME("PCM Playback Volume", 0x20, 0x5, HDA_INPUT),
         HDA_CODEC_MUTE("PCM Playback Switch", 0x20, 0x5, HDA_INPUT),
@@ -3730,36 +3740,9 @@ static struct snd_kcontrol_new ad1884a_laptop_mixers[] = {
         HDA_CODEC_VOLUME("Dock Mic Boost", 0x25, 0x0, HDA_OUTPUT),
         HDA_CODEC_VOLUME("Capture Volume", 0x0c, 0x0, HDA_OUTPUT),
         HDA_CODEC_MUTE("Capture Switch", 0x0c, 0x0, HDA_OUTPUT),
-        HDA_CODEC_VOLUME_IDX("Capture Volume", 1, 0x0d, 0x0, HDA_OUTPUT),
-        HDA_CODEC_MUTE_IDX("Capture Switch", 1, 0x0d, 0x0, HDA_OUTPUT),
-        {
-                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-                /* The multiple "Capture Source" controls confuse alsamixer
-                 * So call somewhat different..
-                 */
-                /* .name = "Capture Source", */
-                .name = "Input Source",
-                .count = 2,
-                .info = ad198x_mux_enum_info,
-                .get = ad198x_mux_enum_get,
-                .put = ad198x_mux_enum_put,
-        },
         { } /* end */
 };
 
-static int ad1884a_mobile_master_sw_put(struct snd_kcontrol *kcontrol,
-                                        struct snd_ctl_elem_value *ucontrol)
-{
-        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
-        int ret = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
-        int mute = (!ucontrol->value.integer.value[0] &&
-                    !ucontrol->value.integer.value[1]);
-        /* toggle GPIO1 according to the mute state */
-        snd_hda_codec_write_cache(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
-                            mute ? 0x02 : 0x0);
-        return ret;
-}
-
 static struct snd_kcontrol_new ad1884a_mobile_mixers[] = {
         HDA_CODEC_VOLUME("Master Playback Volume", 0x21, 0x0, HDA_OUTPUT),
         /*HDA_CODEC_MUTE("Master Playback Switch", 0x21, 0x0, HDA_OUTPUT),*/
@@ -3829,6 +3812,63 @@ static int ad1884a_hp_init(struct hda_codec *codec)
         return 0;
 }
 
+/* mute internal speaker if HP or docking HP is plugged */
+static void ad1884a_laptop_automute(struct hda_codec *codec)
+{
+        unsigned int present;
+
+        present = snd_hda_codec_read(codec, 0x11, 0, AC_VERB_GET_PIN_SENSE, 0);
+        present &= AC_PINSENSE_PRESENCE;
+        if (!present) {
+                present = snd_hda_codec_read(codec, 0x12, 0,
+                                             AC_VERB_GET_PIN_SENSE, 0);
+                present &= AC_PINSENSE_PRESENCE;
+        }
+        snd_hda_codec_amp_stereo(codec, 0x16, HDA_OUTPUT, 0,
+                                 HDA_AMP_MUTE, present ? HDA_AMP_MUTE : 0);
+        snd_hda_codec_write(codec, 0x16, 0, AC_VERB_SET_EAPD_BTLENABLE,
+                            present ? 0x00 : 0x02);
+}
+
+/* switch to external mic if plugged */
+static void ad1884a_laptop_automic(struct hda_codec *codec)
+{
+        unsigned int idx;
+
+        if (snd_hda_codec_read(codec, 0x14, 0, AC_VERB_GET_PIN_SENSE, 0) &
+            AC_PINSENSE_PRESENCE)
+                idx = 0;
+        else if (snd_hda_codec_read(codec, 0x1c, 0, AC_VERB_GET_PIN_SENSE, 0) &
+                 AC_PINSENSE_PRESENCE)
+                idx = 4;
+        else
+                idx = 1;
+        snd_hda_codec_write(codec, 0x0c, 0, AC_VERB_SET_CONNECT_SEL, idx);
+}
+
+/* unsolicited event for HP jack sensing */
+static void ad1884a_laptop_unsol_event(struct hda_codec *codec,
+                                       unsigned int res)
+{
+        switch (res >> 26) {
+        case AD1884A_HP_EVENT:
+                ad1884a_laptop_automute(codec);
+                break;
+        case AD1884A_MIC_EVENT:
+                ad1884a_laptop_automic(codec);
+                break;
+        }
+}
+
+/* initialize jack-sensing, too */
+static int ad1884a_laptop_init(struct hda_codec *codec)
+{
+        ad198x_init(codec);
+        ad1884a_laptop_automute(codec);
+        ad1884a_laptop_automic(codec);
+        return 0;
+}
+
 /* additional verbs for laptop model */
 static struct hda_verb ad1884a_laptop_verbs[] = {
         /* Port-A (HP) pin - always unmuted */
@@ -3849,7 +3889,9 @@ static struct hda_verb ad1884a_laptop_verbs[] = {
         {0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
         /* unsolicited event for pin-sense */
         {0x11, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_HP_EVENT},
+        {0x12, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_HP_EVENT},
         {0x14, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_MIC_EVENT},
+        {0x1c, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_MIC_EVENT},
         { } /* end */
 };
 
@@ -4059,9 +4101,8 @@ static int patch_ad1884a(struct hda_codec *codec)
                 spec->mixers[0] = ad1884a_laptop_mixers;
                 spec->init_verbs[spec->num_init_verbs++] = ad1884a_laptop_verbs;
                 spec->multiout.dig_out_nid = 0;
-                spec->input_mux = &ad1884a_laptop_capture_source;
-                codec->patch_ops.unsol_event = ad1884a_hp_unsol_event;
-                codec->patch_ops.init = ad1884a_hp_init;
+                codec->patch_ops.unsol_event = ad1884a_laptop_unsol_event;
+                codec->patch_ops.init = ad1884a_laptop_init;
                 /* set the upper-limit for mixer amp to 0dB for avoiding the
                  * possible damage by overloading
                  */