ALSA: hda - Add automute-mode enum to Conexant auto-parser

Implement the same functionality as Realtek's auto-mute mode control.
Now Conexant auto-parser can also mutes line-out and provide the enum
control for different automute behavior.

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

2 files changed, 215 insertions, 49 deletions

diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 1ed6ee5a1e70..01a7cf6b5fb1 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -493,6 +493,11 @@ u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
 
+static inline bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
+{
+        return !!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT);
+}
+
 /* flags for hda_nid_item */
 #define HDA_NID_ITEM_AMP        (1<<0)
 
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 703dda69ad7c..ac595363e0e0 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -39,6 +39,7 @@
 
 #define CONEXANT_HP_EVENT       0x37
 #define CONEXANT_MIC_EVENT      0x38
+#define CONEXANT_LINE_EVENT     0x39
 
 /* Conexant 5051 specific */
 
@@ -81,6 +82,7 @@ struct conexant_spec {
                                          */
         unsigned int cur_eapd;
         unsigned int hp_present;
+        unsigned int line_present;
         unsigned int auto_mic;
         int auto_mic_ext;               /* imux_pins[] index for ext mic */
         unsigned int need_dac_fix;
@@ -123,6 +125,9 @@ struct conexant_spec {
 
         unsigned int port_d_mode;
         unsigned int auto_mute:1;       /* used in auto-parser */
+        unsigned int detect_line:1;     /* Line-out detection enabled */
+        unsigned int automute_lines:1;  /* automute line-out as well */
+        unsigned int automute_hp_lo:1;  /* both HP and LO available */
         unsigned int dell_automute:1;
         unsigned int dell_vostro:1;
         unsigned int ideapad:1;
@@ -3420,48 +3425,193 @@ static void cx_auto_parse_output(struct hda_codec *codec)
         spec->multiout.dac_nids = spec->private_dac_nids;
         spec->multiout.max_channels = spec->multiout.num_dacs * 2;
 
-        if (cfg->hp_outs > 0)
-                spec->auto_mute = 1;
+        for (i = 0; i < cfg->hp_outs; i++) {
+                if (is_jack_detectable(codec, cfg->hp_pins[i])) {
+                        spec->auto_mute = 1;
+                        break;
+                }
+        }
+        if (spec->auto_mute && cfg->line_out_pins[0] &&
+            cfg->line_out_pins[0] != cfg->hp_pins[0] &&
+            cfg->line_out_pins[0] != cfg->speaker_pins[0]) {
+                for (i = 0; i < cfg->line_outs; i++) {
+                        if (is_jack_detectable(codec, cfg->line_out_pins[i])) {
+                                spec->detect_line = 1;
+                                break;
+                        }
+                }
+                spec->automute_lines = spec->detect_line;
+        }
+
         spec->vmaster_nid = spec->private_dac_nids[0];
 }
 
 static void cx_auto_turn_eapd(struct hda_codec *codec, int num_pins,
                               hda_nid_t *pins, bool on);
 
+static void do_automute(struct hda_codec *codec, int num_pins,
+                        hda_nid_t *pins, bool on)
+{
+        int i;
+        for (i = 0; i < num_pins; i++)
+                snd_hda_codec_write(codec, pins[i], 0,
+                                    AC_VERB_SET_PIN_WIDGET_CONTROL,
+                                    on ? PIN_OUT : 0);
+        cx_auto_turn_eapd(codec, num_pins, pins, on);
+}
+
+static int detect_jacks(struct hda_codec *codec, int num_pins, hda_nid_t *pins)
+{
+        int i, present = 0;
+
+        for (i = 0; i < num_pins; i++) {
+                hda_nid_t nid = pins[i];
+                if (!nid || !is_jack_detectable(codec, nid))
+                        break;
+                snd_hda_input_jack_report(codec, nid);
+                present |= snd_hda_jack_detect(codec, nid);
+        }
+        return present;
+}
+
 /* auto-mute/unmute speaker and line outs according to headphone jack */
+static void cx_auto_update_speakers(struct hda_codec *codec)
+{
+        struct conexant_spec *spec = codec->spec;
+        struct auto_pin_cfg *cfg = &spec->autocfg;
+        int on;
+
+        if (!spec->auto_mute)
+                on = 0;
+        else
+                on = spec->hp_present | spec->line_present;
+        cx_auto_turn_eapd(codec, cfg->hp_outs, cfg->hp_pins, on);
+        do_automute(codec, cfg->speaker_outs, cfg->speaker_pins, !on);
+
+        /* toggle line-out mutes if needed, too */
+        /* if LO is a copy of either HP or Speaker, don't need to handle it */
+        if (cfg->line_out_pins[0] == cfg->hp_pins[0] ||
+            cfg->line_out_pins[0] == cfg->speaker_pins[0])
+                return;
+        if (!spec->automute_lines || !spec->auto_mute)
+                on = 0;
+        else
+                on = spec->hp_present;
+        do_automute(codec, cfg->line_outs, cfg->line_out_pins, !on);
+}
+
 static void cx_auto_hp_automute(struct hda_codec *codec)
 {
         struct conexant_spec *spec = codec->spec;
         struct auto_pin_cfg *cfg = &spec->autocfg;
-        int i, present;
 
         if (!spec->auto_mute)
                 return;
-        present = 0;
-        for (i = 0; i < cfg->hp_outs; i++) {
-                if (snd_hda_jack_detect(codec, cfg->hp_pins[i])) {
-                        present = 1;
-                        break;
-                }
-        }
-        cx_auto_turn_eapd(codec, cfg->hp_outs, cfg->hp_pins, present);
-        for (i = 0; i < cfg->line_outs; i++) {
-                snd_hda_codec_write(codec, cfg->line_out_pins[i], 0,
-                                    AC_VERB_SET_PIN_WIDGET_CONTROL,
-                                    present ? 0 : PIN_OUT);
+        spec->hp_present = detect_jacks(codec, cfg->hp_outs, cfg->hp_pins);
+        cx_auto_update_speakers(codec);
+}
+
+static void cx_auto_line_automute(struct hda_codec *codec)
+{
+        struct conexant_spec *spec = codec->spec;
+        struct auto_pin_cfg *cfg = &spec->autocfg;
+
+        if (!spec->auto_mute || !spec->detect_line)
+                return;
+        spec->line_present = detect_jacks(codec, cfg->line_outs,
+                                          cfg->line_out_pins);
+        cx_auto_update_speakers(codec);
+}
+
+static int cx_automute_mode_info(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_info *uinfo)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        struct conexant_spec *spec = codec->spec;
+        static const char * const texts2[] = {
+                "Disabled", "Enabled"
+        };
+        static const char * const texts3[] = {
+                "Disabled", "Speaker Only", "Line-Out+Speaker"
+        };
+        const char * const *texts;
+
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+        uinfo->count = 1;
+        if (spec->automute_hp_lo) {
+                uinfo->value.enumerated.items = 3;
+                texts = texts3;
+        } else {
+                uinfo->value.enumerated.items = 2;
+                texts = texts2;
         }
-        cx_auto_turn_eapd(codec, cfg->line_outs, cfg->line_out_pins, !present);
-        for (i = 0; !present && i < cfg->line_outs; i++)
-                if (snd_hda_jack_detect(codec, cfg->line_out_pins[i]))
-                        present = 1;
-        for (i = 0; i < cfg->speaker_outs; i++) {
-                snd_hda_codec_write(codec, cfg->speaker_pins[i], 0,
-                                    AC_VERB_SET_PIN_WIDGET_CONTROL,
-                                    present ? 0 : PIN_OUT);
+        if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+                uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
+        strcpy(uinfo->value.enumerated.name,
+               texts[uinfo->value.enumerated.item]);
+        return 0;
+}
+
+static int cx_automute_mode_get(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        struct conexant_spec *spec = codec->spec;
+        unsigned int val;
+        if (!spec->auto_mute)
+                val = 0;
+        else if (!spec->automute_lines)
+                val = 1;
+        else
+                val = 2;
+        ucontrol->value.enumerated.item[0] = val;
+        return 0;
+}
+
+static int cx_automute_mode_put(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+        struct conexant_spec *spec = codec->spec;
+
+        switch (ucontrol->value.enumerated.item[0]) {
+        case 0:
+                if (!spec->auto_mute)
+                        return 0;
+                spec->auto_mute = 0;
+                break;
+        case 1:
+                if (spec->auto_mute && !spec->automute_lines)
+                        return 0;
+                spec->auto_mute = 1;
+                spec->automute_lines = 0;
+                break;
+        case 2:
+                if (!spec->automute_hp_lo)
+                        return -EINVAL;
+                if (spec->auto_mute && spec->automute_lines)
+                        return 0;
+                spec->auto_mute = 1;
+                spec->automute_lines = 1;
+                break;
+        default:
+                return -EINVAL;
         }
-        cx_auto_turn_eapd(codec, cfg->speaker_outs, cfg->speaker_pins, !present);
+        cx_auto_update_speakers(codec);
+        return 1;
 }
 
+static const struct snd_kcontrol_new cx_automute_mode_enum[] = {
+        {
+                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+                .name = "Auto-Mute Mode",
+                .info = cx_automute_mode_info,
+                .get = cx_automute_mode_get,
+                .put = cx_automute_mode_put,
+        },
+        { }
+};
+
 static int cx_auto_mux_enum_info(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_info *uinfo)
 {
@@ -3607,7 +3757,9 @@ static void cx_auto_unsol_event(struct hda_codec *codec, unsigned int res)
         switch (res >> 26) {
         case CONEXANT_HP_EVENT:
                 cx_auto_hp_automute(codec);
-                snd_hda_input_jack_report(codec, nid);
+                break;
+        case CONEXANT_LINE_EVENT:
+                cx_auto_line_automute(codec);
                 break;
         case CONEXANT_MIC_EVENT:
                 cx_auto_automic(codec);
@@ -3630,7 +3782,7 @@ static int is_ext_mic(struct hda_codec *codec, hda_nid_t pin)
         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, pin);
         return get_defcfg_device(def_conf) == AC_JACK_MIC_IN &&
                 snd_hda_get_input_pin_attr(def_conf) >= INPUT_PIN_ATTR_NORMAL &&
-                (snd_hda_query_pin_caps(codec, pin) & AC_PINCAP_PRES_DETECT);
+                is_jack_detectable(codec, pin);
 }
 
 /* check whether the pin config is suitable for auto-mic switching;
@@ -3794,6 +3946,16 @@ static void mute_outputs(struct hda_codec *codec, int num_nids,
         }
 }
 
+static void enable_unsol_pins(struct hda_codec *codec, int num_pins,
+                              hda_nid_t *pins, unsigned int tag)
+{
+        int i;
+        for (i = 0; i < num_pins; i++)
+                snd_hda_codec_write(codec, pins[i], 0,
+                                    AC_VERB_SET_UNSOLICITED_ENABLE,
+                                    AC_USRSP_EN | tag);
+}
+
 static void cx_auto_init_output(struct hda_codec *codec)
 {
         struct conexant_spec *spec = codec->spec;
@@ -3808,35 +3970,27 @@ static void cx_auto_init_output(struct hda_codec *codec)
         mute_outputs(codec, cfg->hp_outs, cfg->hp_pins);
         mute_outputs(codec, cfg->line_outs, cfg->line_out_pins);
         mute_outputs(codec, cfg->speaker_outs, cfg->speaker_pins);
-        if (spec->auto_mute) {
-                for (i = 0; i < cfg->hp_outs; i++) {
-                        snd_hda_codec_write(codec, cfg->hp_pins[i], 0,
-                                    AC_VERB_SET_UNSOLICITED_ENABLE,
-                                    AC_USRSP_EN | CONEXANT_HP_EVENT);
-                }
-                cx_auto_hp_automute(codec);
-        } else {
-                for (i = 0; i < cfg->line_outs; i++)
-                        snd_hda_codec_write(codec, cfg->line_out_pins[i], 0,
-                                    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
-                for (i = 0; i < cfg->speaker_outs; i++)
-                        snd_hda_codec_write(codec, cfg->speaker_pins[i], 0,
-                                    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
-                /* turn on EAPD */
-                cx_auto_turn_eapd(codec, cfg->line_outs, cfg->line_out_pins,
-                                  true);
-                cx_auto_turn_eapd(codec, cfg->hp_outs, cfg->hp_pins,
-                                  true);
-                cx_auto_turn_eapd(codec, cfg->speaker_outs, cfg->speaker_pins,
-                                  true);
-        }
-
         for (i = 0; i < spec->dac_info_filled; i++) {
                 nid = spec->dac_info[i].dac;
                 if (!nid)
                         nid = spec->multiout.dac_nids[0];
                 select_connection(codec, spec->dac_info[i].pin, nid);
         }
+        if (spec->auto_mute) {
+                enable_unsol_pins(codec, cfg->hp_outs, cfg->hp_pins,
+                                  CONEXANT_HP_EVENT);
+                spec->hp_present = detect_jacks(codec, cfg->hp_outs,
+                                                cfg->hp_pins);
+                if (spec->detect_line) {
+                        enable_unsol_pins(codec, cfg->line_outs,
+                                          cfg->line_out_pins,
+                                          CONEXANT_LINE_EVENT);
+                        spec->line_present =
+                                detect_jacks(codec, cfg->line_outs,
+                                             cfg->line_out_pins);
+                }
+        }
+        cx_auto_update_speakers(codec);
 }
 
 static void cx_auto_init_input(struct hda_codec *codec)
@@ -3992,6 +4146,13 @@ static int cx_auto_build_output_controls(struct hda_codec *codec)
                 if (err < 0)
                         return err;
         }
+
+        if (spec->auto_mute) {
+                err = snd_hda_add_new_ctls(codec, cx_automute_mode_enum);
+                if (err < 0)
+                        return err;
+        }
+        
         return 0;
 }