ALSA: hda/realtek - Add the support of shared HP/Mic
A machine like Q1-ultra which has only a single HP but no mic-jack, we
can re-task the headhpone as an external mic jack. This was done formerly
in ALC262 model=ultra quirk, and now the auto-parser supports this mode.
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 1f3d168..ef040ec 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -183,6 +183,7 @@
unsigned int single_input_src:1;
unsigned int vol_in_capsrc:1; /* use capsrc volume (ADC has no vol) */
unsigned int parse_flags; /* passed to snd_hda_parse_pin_defcfg() */
+ unsigned int shared_mic_hp:1; /* HP/Mic-in sharing */
/* auto-mute control */
int automute_mode;
@@ -277,6 +278,8 @@
return false;
}
+static void call_update_outputs(struct hda_codec *codec);
+
/* select the given imux item; either unmute exclusively or select the route */
static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
unsigned int idx, bool force)
@@ -298,6 +301,19 @@
return 0;
spec->cur_mux[adc_idx] = idx;
+ /* for shared I/O, change the pin-control accordingly */
+ if (spec->shared_mic_hp) {
+ /* NOTE: this assumes that there are only two inputs, the
+ * first is the real internal mic and the second is HP jack.
+ */
+ snd_hda_codec_write(codec, spec->autocfg.inputs[1].pin, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL,
+ spec->cur_mux[adc_idx] ?
+ PIN_VREF80 : PIN_HP);
+ spec->automute_speaker = !spec->cur_mux[adc_idx];
+ call_update_outputs(codec);
+ }
+
if (spec->dyn_adc_switch) {
alc_dyn_adc_pcm_resetup(codec, idx);
adc_idx = spec->dyn_adc_idx[idx];
@@ -547,7 +563,8 @@
* in general, HP pins/amps control should be enabled in all cases,
* but currently set only for master_mute, just to be safe
*/
- do_automute(codec, ARRAY_SIZE(spec->autocfg.hp_pins),
+ if (!spec->shared_mic_hp) /* don't change HP-pin when shared with mic */
+ do_automute(codec, ARRAY_SIZE(spec->autocfg.hp_pins),
spec->autocfg.hp_pins, spec->master_mute, true);
if (!spec->automute_speaker)
@@ -1115,6 +1132,9 @@
hda_nid_t fixed, ext, dock;
int i;
+ if (spec->shared_mic_hp)
+ return; /* no auto-mic for the shared I/O */
+
spec->ext_mic_idx = spec->int_mic_idx = spec->dock_mic_idx = -1;
fixed = ext = dock = 0;
@@ -2667,6 +2687,9 @@
int max_nums = ARRAY_SIZE(spec->private_adc_nids);
int i, nums = 0;
+ if (spec->shared_mic_hp)
+ max_nums = 1; /* no multi streams with the shared HP/mic */
+
nid = codec->start_nid;
for (i = 0; i < codec->num_nodes; i++, nid++) {
hda_nid_t src;
@@ -2729,6 +2752,8 @@
continue;
label = hda_get_autocfg_input_label(codec, cfg, i);
+ if (spec->shared_mic_hp && !strcmp(label, "Misc"))
+ label = "Headphone Mic";
if (prev_label && !strcmp(label, prev_label))
type_idx++;
else
@@ -2764,6 +2789,39 @@
return 0;
}
+/* create a shared input with the headphone out */
+static int alc_auto_create_shared_input(struct hda_codec *codec)
+{
+ struct alc_spec *spec = codec->spec;
+ struct auto_pin_cfg *cfg = &spec->autocfg;
+ unsigned int defcfg;
+ hda_nid_t nid;
+
+ /* only one internal input pin? */
+ if (cfg->num_inputs != 1)
+ return 0;
+ defcfg = snd_hda_codec_get_pincfg(codec, cfg->inputs[0].pin);
+ if (snd_hda_get_input_pin_attr(defcfg) != INPUT_PIN_ATTR_INT)
+ return 0;
+
+ if (cfg->hp_outs == 1 && cfg->line_out_type == AUTO_PIN_SPEAKER_OUT)
+ nid = cfg->hp_pins[0]; /* OK, we have a single HP-out */
+ else if (cfg->line_outs == 1 && cfg->line_out_type == AUTO_PIN_HP_OUT)
+ nid = cfg->line_out_pins[0]; /* OK, we have a single line-out */
+ else
+ return 0; /* both not available */
+
+ if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_IN))
+ return 0; /* no input */
+
+ cfg->inputs[1].pin = nid;
+ cfg->inputs[1].type = AUTO_PIN_MIC;
+ cfg->num_inputs = 2;
+ spec->shared_mic_hp = 1;
+ snd_printdd("realtek: Enable shared I/O jack on NID 0x%x\n", nid);
+ return 0;
+}
+
static void alc_set_pin_output(struct hda_codec *codec, hda_nid_t nid,
unsigned int pin_type)
{
@@ -3654,6 +3712,8 @@
char boost_label[32];
label = hda_get_autocfg_input_label(codec, cfg, i);
+ if (spec->shared_mic_hp && !strcmp(label, "Misc"))
+ label = "Headphone Mic";
if (prev_label && !strcmp(label, prev_label))
type_idx++;
else
@@ -3859,6 +3919,9 @@
err = alc_auto_create_speaker_out(codec);
if (err < 0)
return err;
+ err = alc_auto_create_shared_input(codec);
+ if (err < 0)
+ return err;
err = alc_auto_create_input_ctls(codec);
if (err < 0)
return err;