[ALSA] hda-codec - Implement auto-mic jack sensing on Samsung laptops
Implemented the auto-mic jack sensing for Samsung laptops with AD1986A
codec chip (model=laptop-eapd).
The hardware uses pin 0x1d and 0x1f for the internal and external
mics, respectively.
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 9d0d2a1..266c35e 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -612,13 +612,19 @@
},
};
+static struct hda_input_mux ad1986a_automic_capture_source = {
+ .num_items = 2,
+ .items = {
+ { "Mic", 0x0 },
+ { "Mix", 0x5 },
+ },
+};
+
static struct snd_kcontrol_new ad1986a_laptop_eapd_mixers[] = {
HDA_BIND_VOL("Master Playback Volume", &ad1986a_laptop_master_vol),
HDA_BIND_SW("Master Playback Switch", &ad1986a_laptop_master_sw),
HDA_CODEC_VOLUME("PCM Playback Volume", 0x03, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("PCM Playback Switch", 0x03, 0x0, HDA_OUTPUT),
- HDA_CODEC_VOLUME("Internal Mic Playback Volume", 0x17, 0x0, HDA_OUTPUT),
- HDA_CODEC_MUTE("Internal Mic Playback Switch", 0x17, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Mic Playback Volume", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Mic Playback Switch", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x0f, 0x0, HDA_OUTPUT),
@@ -642,6 +648,33 @@
{ } /* end */
};
+/* re-connect the mic boost input according to the jack sensing */
+static void ad1986a_automic(struct hda_codec *codec)
+{
+ unsigned int present;
+ present = snd_hda_codec_read(codec, 0x1f, 0, AC_VERB_GET_PIN_SENSE, 0);
+ /* 0 = 0x1f, 2 = 0x1d, 4 = mixed */
+ snd_hda_codec_write(codec, 0x0f, 0, AC_VERB_SET_CONNECT_SEL,
+ (present & AC_PINSENSE_PRESENCE) ? 0 : 2);
+}
+
+#define AD1986A_MIC_EVENT 0x36
+
+static void ad1986a_automic_unsol_event(struct hda_codec *codec,
+ unsigned int res)
+{
+ if ((res >> 26) != AD1986A_MIC_EVENT)
+ return;
+ ad1986a_automic(codec);
+}
+
+static int ad1986a_automic_init(struct hda_codec *codec)
+{
+ ad198x_init(codec);
+ ad1986a_automic(codec);
+ return 0;
+}
+
/* laptop-automute - 2ch only */
static void ad1986a_update_hp(struct hda_codec *codec)
@@ -845,6 +878,15 @@
{}
};
+static struct hda_verb ad1986a_automic_verbs[] = {
+ {0x1d, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
+ {0x1f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
+ /*{0x20, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},*/
+ {0x0f, AC_VERB_SET_CONNECT_SEL, 0x0},
+ {0x1f, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1986A_MIC_EVENT},
+ {}
+};
+
/* Ultra initialization */
static struct hda_verb ad1986a_ultra_init[] = {
/* eapd initialization */
@@ -987,14 +1029,17 @@
break;
case AD1986A_LAPTOP_EAPD:
spec->mixers[0] = ad1986a_laptop_eapd_mixers;
- spec->num_init_verbs = 2;
+ spec->num_init_verbs = 3;
spec->init_verbs[1] = ad1986a_eapd_init_verbs;
+ spec->init_verbs[2] = ad1986a_automic_verbs;
spec->multiout.max_channels = 2;
spec->multiout.num_dacs = 1;
spec->multiout.dac_nids = ad1986a_laptop_dac_nids;
if (!is_jack_available(codec, 0x25))
spec->multiout.dig_out_nid = 0;
- spec->input_mux = &ad1986a_laptop_eapd_capture_source;
+ spec->input_mux = &ad1986a_automic_capture_source;
+ codec->patch_ops.unsol_event = ad1986a_automic_unsol_event;
+ codec->patch_ops.init = ad1986a_automic_init;
break;
case AD1986A_LAPTOP_AUTOMUTE:
spec->mixers[0] = ad1986a_laptop_automute_mixers;