ALSA: hda - Add auto-mic support for Realtek codecs
Added the support for automatic mic selection via plugging for
Realtek codecs (in auto-probing mode). The auto-mic mode is enabled
only when one internal mic and one external mic are present.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index b0d30fc..678c2d7 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -258,6 +258,14 @@
ALC_INIT_GPIO3,
};
+struct alc_mic_route {
+ hda_nid_t pin;
+ unsigned char mux_idx;
+ unsigned char amix_idx;
+};
+
+#define MUX_IDX_UNDEF ((unsigned char)-1)
+
struct alc_spec {
/* codec parameterization */
struct snd_kcontrol_new *mixers[5]; /* mixer arrays */
@@ -300,6 +308,8 @@
unsigned int num_mux_defs;
const struct hda_input_mux *input_mux;
unsigned int cur_mux[3];
+ struct alc_mic_route ext_mic;
+ struct alc_mic_route int_mic;
/* channel model */
const struct hda_channel_mode *channel_mode;
@@ -327,6 +337,7 @@
unsigned int sense_updated: 1;
unsigned int jack_present: 1;
unsigned int master_sw: 1;
+ unsigned int auto_mic:1;
/* other flags */
unsigned int no_analog :1; /* digital I/O only */
@@ -963,30 +974,79 @@
}
}
-#if 0 /* it's broken in some cases -- temporarily disabled */
+static int get_connection_index(struct hda_codec *codec, hda_nid_t mux,
+ hda_nid_t nid)
+{
+ hda_nid_t conn[HDA_MAX_NUM_INPUTS];
+ int i, nums;
+
+ nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
+ for (i = 0; i < nums; i++)
+ if (conn[i] == nid)
+ return i;
+ return -1;
+}
+
+static int set_mic_mux_idx(struct hda_codec *codec, hda_nid_t cap,
+ struct alc_mic_route *mic)
+{
+ int idx = get_connection_index(codec, cap, mic->pin);
+ if (idx < 0)
+ return 1; /* invalid */
+ mic->mux_idx = idx;
+ return 0;
+}
+
static void alc_mic_automute(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- unsigned int present;
- unsigned int mic_nid = spec->autocfg.input_pins[AUTO_PIN_MIC];
- unsigned int fmic_nid = spec->autocfg.input_pins[AUTO_PIN_FRONT_MIC];
- unsigned int mix_nid = spec->capsrc_nids[0];
- unsigned int capsrc_idx_mic, capsrc_idx_fmic;
+ struct alc_mic_route *dead, *alive;
+ unsigned int present, type;
+ hda_nid_t cap_nid;
- capsrc_idx_mic = mic_nid - 0x18;
- capsrc_idx_fmic = fmic_nid - 0x18;
- present = snd_hda_codec_read(codec, mic_nid, 0,
- AC_VERB_GET_PIN_SENSE, 0) & 0x80000000;
- snd_hda_codec_write(codec, mix_nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
- 0x7000 | (capsrc_idx_mic << 8) | (present ? 0 : 0x80));
- snd_hda_codec_write(codec, mix_nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
- 0x7000 | (capsrc_idx_fmic << 8) | (present ? 0x80 : 0));
- snd_hda_codec_amp_stereo(codec, 0x0b, HDA_INPUT, capsrc_idx_fmic,
- HDA_AMP_MUTE, present ? HDA_AMP_MUTE : 0);
+ if (!spec->int_mic.pin || !spec->ext_mic.pin)
+ return;
+ if (snd_BUG_ON(!spec->adc_nids))
+ return;
+
+ cap_nid = spec->capsrc_nids ? spec->capsrc_nids[0] : spec->adc_nids[0];
+
+ present = snd_hda_codec_read(codec, spec->ext_mic.pin, 0,
+ AC_VERB_GET_PIN_SENSE, 0);
+ present &= AC_PINSENSE_PRESENCE;
+ if (present) {
+ alive = &spec->ext_mic;
+ dead = &spec->int_mic;
+ } else {
+ alive = &spec->int_mic;
+ dead = &spec->ext_mic;
+ }
+
+ if (alive->mux_idx == MUX_IDX_UNDEF &&
+ set_mic_mux_idx(codec, cap_nid, alive))
+ return;
+ if (dead->mux_idx == MUX_IDX_UNDEF &&
+ set_mic_mux_idx(codec, cap_nid, dead))
+ return;
+
+ type = get_wcaps_type(get_wcaps(codec, cap_nid));
+ if (type == AC_WID_AUD_MIX) {
+ /* Matrix-mixer style (e.g. ALC882) */
+ snd_hda_codec_amp_stereo(codec, cap_nid, HDA_INPUT,
+ alive->mux_idx,
+ HDA_AMP_MUTE, 0);
+ snd_hda_codec_amp_stereo(codec, cap_nid, HDA_INPUT,
+ dead->mux_idx,
+ HDA_AMP_MUTE, HDA_AMP_MUTE);
+ } else {
+ /* MUX style (e.g. ALC880) */
+ snd_hda_codec_write_cache(codec, cap_nid, 0,
+ AC_VERB_SET_CONNECT_SEL,
+ alive->mux_idx);
+ }
+
+ /* FIXME: analog mixer */
}
-#else
-#define alc_mic_automute(codec) do {} while(0) /* NOP */
-#endif /* disabled */
/* unsolicited event for HP jack sensing */
static void alc_sku_unsol_event(struct hda_codec *codec, unsigned int res)
@@ -1142,6 +1202,55 @@
spec->unsol_event = alc_sku_unsol_event;
}
+static void alc_init_auto_mic(struct hda_codec *codec)
+{
+ struct alc_spec *spec = codec->spec;
+ struct auto_pin_cfg *cfg = &spec->autocfg;
+ hda_nid_t fixed, ext;
+ int i;
+
+ /* there must be only two mic inputs exclusively */
+ for (i = AUTO_PIN_LINE; i < AUTO_PIN_LAST; i++)
+ if (cfg->input_pins[i])
+ return;
+
+ fixed = ext = 0;
+ for (i = AUTO_PIN_MIC; i <= AUTO_PIN_FRONT_MIC; i++) {
+ hda_nid_t nid = cfg->input_pins[i];
+ unsigned int defcfg;
+ if (!nid)
+ return;
+ defcfg = snd_hda_codec_get_pincfg(codec, nid);
+ switch (get_defcfg_connect(defcfg)) {
+ case AC_JACK_PORT_FIXED:
+ if (fixed)
+ return; /* already occupied */
+ fixed = nid;
+ break;
+ case AC_JACK_PORT_COMPLEX:
+ if (ext)
+ return; /* already occupied */
+ ext = nid;
+ break;
+ default:
+ return; /* invalid entry */
+ }
+ }
+ if (!(get_wcaps(codec, ext) & AC_WCAP_UNSOL_CAP))
+ return; /* no unsol support */
+ snd_printdd("realtek: Enable auto-mic switch on NID 0x%x/0x%x\n",
+ ext, fixed);
+ spec->ext_mic.pin = ext;
+ spec->int_mic.pin = fixed;
+ spec->ext_mic.mux_idx = MUX_IDX_UNDEF; /* set later */
+ spec->int_mic.mux_idx = MUX_IDX_UNDEF; /* set later */
+ spec->auto_mic = 1;
+ snd_hda_codec_write_cache(codec, spec->ext_mic.pin, 0,
+ AC_VERB_SET_UNSOLICITED_ENABLE,
+ AC_USRSP_EN | ALC880_MIC_EVENT);
+ spec->unsol_event = alc_sku_unsol_event;
+}
+
/* check subsystem ID and set up device-specific initialization;
* return 1 if initialized, 0 if invalid SSID
*/
@@ -1243,6 +1352,7 @@
}
alc_init_auto_hp(codec);
+ alc_init_auto_mic(codec);
return 1;
}
@@ -1255,6 +1365,7 @@
"Enable default setup for auto mode as fallback\n");
spec->init_amp = ALC_INIT_DEFAULT;
alc_init_auto_hp(codec);
+ alc_init_auto_mic(codec);
}
}
@@ -4572,7 +4683,8 @@
};
if (spec->num_adc_nids > 0 && spec->num_adc_nids <= 3) {
int mux;
- if (spec->input_mux && spec->input_mux->num_items > 1)
+ if (spec->input_mux && spec->input_mux->num_items > 1 &&
+ !spec->auto_mic)
mux = 1;
else
mux = 0;
@@ -17118,25 +17230,6 @@
return 0;
}
-/* return the index of the src widget from the connection list of the nid.
- * return -1 if not found
- */
-static int alc662_input_pin_idx(struct hda_codec *codec, hda_nid_t nid,
- hda_nid_t src)
-{
- hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
- int i, conns;
-
- conns = snd_hda_get_connections(codec, nid, conn_list,
- ARRAY_SIZE(conn_list));
- if (conns < 0)
- return -1;
- for (i = 0; i < conns; i++)
- if (conn_list[i] == src)
- return i;
- return -1;
-}
-
static int alc662_is_input_pin(struct hda_codec *codec, hda_nid_t nid)
{
unsigned int pincap = snd_hda_query_pin_caps(codec, nid);
@@ -17153,7 +17246,7 @@
for (i = 0; i < AUTO_PIN_LAST; i++) {
if (alc662_is_input_pin(codec, cfg->input_pins[i])) {
- idx = alc662_input_pin_idx(codec, 0x0b,
+ idx = get_connection_index(codec, 0x0b,
cfg->input_pins[i]);
if (idx >= 0) {
err = new_analog_input(spec, cfg->input_pins[i],
@@ -17162,7 +17255,7 @@
if (err < 0)
return err;
}
- idx = alc662_input_pin_idx(codec, 0x22,
+ idx = get_connection_index(codec, 0x22,
cfg->input_pins[i]);
if (idx >= 0) {
imux->items[imux->num_items].label =