ALSA: hda - Add spec->vmaster_mute_enum flag to generic parser

Add a flag to indicate whether the vmaster mute hook enum is exposed
or not.  Conexant codecs may want not to expose the control depending
on the model.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_generic.c

@@ -2966,7 +2966,8 @@ int snd_hda_gen_build_controls(struct hda_codec *codec)
 		if (err < 0)
 			return err;
 		if (spec->vmaster_mute.hook)
-			snd_hda_add_vmaster_hook(codec, &spec->vmaster_mute, true);
+			snd_hda_add_vmaster_hook(codec, &spec->vmaster_mute,
+						 spec->vmaster_mute_enum);
 	}
 
 	free_kctls(spec); /* no longer needed */

sound/pci/hda/hda_generic.h

@@ -151,6 +151,7 @@ struct hda_gen_spec {
 	unsigned int multi_cap_vol:1; /* allow multiple capture xxx volumes */
 	unsigned int inv_dmic_split:1; /* inverted dmic w/a for conexant */
 	unsigned int own_eapd_ctl:1; /* set EAPD by own function */
+	unsigned int vmaster_mute_enum:1; /* add vmaster mute mode enum */
 
 	/* for virtual master */
 	hda_nid_t vmaster_nid;

sound/pci/hda/patch_realtek.c

@@ -2678,8 +2678,10 @@ static void alc269_fixup_mic1_mute(struct hda_codec *codec,
 				   const struct alc_fixup *fix, int action)
 {
 	struct alc_spec *spec = codec->spec;
-	if (action == ALC_FIXUP_ACT_PROBE)
+	if (action == ALC_FIXUP_ACT_PROBE) {
 		spec->gen.vmaster_mute.hook = alc269_fixup_mic1_mute_hook;
+		spec->gen.vmaster_mute_enum = 1;
+	}
 }
 
 /* update mute-LED according to the speaker mute state via mic2 VREF pin */
@@ -2694,8 +2696,10 @@ static void alc269_fixup_mic2_mute(struct hda_codec *codec,
 				   const struct alc_fixup *fix, int action)
 {
 	struct alc_spec *spec = codec->spec;
-	if (action == ALC_FIXUP_ACT_PROBE)
+	if (action == ALC_FIXUP_ACT_PROBE) {
 		spec->gen.vmaster_mute.hook = alc269_fixup_mic2_mute_hook;
+		spec->gen.vmaster_mute_enum = 1;
+	}
 }
 
 static void alc271_hp_gate_mic_jack(struct hda_codec *codec,