ALSA: hda - Add capture_switch_hook to generic parser

Add a hook for the capture mixer switch.  This will be used by IDT
codecs for controlling the mic-mute LED.

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

diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 4bc4cd9..932e6a1 100644 (file)
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -2517,9 +2517,23 @@ static const struct snd_kcontrol_new cap_vol_temp = {
 static int cap_sw_put(struct snd_kcontrol *kcontrol,
                      struct snd_ctl_elem_value *ucontrol)
 {
-       return cap_put_caller(kcontrol, ucontrol,
+       struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct hda_gen_spec *spec = codec->spec;
+       int ret;
+
+       ret = cap_put_caller(kcontrol, ucontrol,
                              snd_hda_mixer_amp_switch_put,
                              NID_PATH_MUTE_CTL);
+       if (ret < 0)
+               return ret;
+
+       if (spec->capture_switch_hook) {
+               bool enable = (ucontrol->value.integer.value[0] ||
+                              ucontrol->value.integer.value[1]);
+               spec->capture_switch_hook(codec, enable);
+       }
+
+       return ret;
 }
 
 static const struct snd_kcontrol_new cap_sw_temp = {

diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h
index bfa2d97..1ceaacd 100644 (file)
--- a/sound/pci/hda/hda_generic.h
+++ b/sound/pci/hda/hda_generic.h
@@ -227,6 +227,9 @@ struct hda_gen_spec {
                                   struct hda_jack_tbl *tbl);
        void (*mic_autoswitch_hook)(struct hda_codec *codec,
                                    struct hda_jack_tbl *tbl);
+
+       /* capture switch hook (for mic-mute LED) */
+       void (*capture_switch_hook)(struct hda_codec *codec, bool enable);
 };
 
 int snd_hda_gen_spec_init(struct hda_gen_spec *spec);