ALSA: hda - Add suppress_auto_mute flag to hda_gen_spec

A new flag to skip the auto-mute handling in the generic parser, just
like suppress_auto_mic flag.  It has to be set before calling
snd_hda_gen_parse_auto_config().
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_generic.c

@@ -119,6 +119,9 @@ static void parse_user_hints(struct hda_codec *codec)
 	if (val >= 0)
 		codec->single_adc_amp = !!val;
 
+	val = snd_hda_get_bool_hint(codec, "auto_mute");
+	if (val >= 0)
+		spec->suppress_auto_mute = !val;
 	val = snd_hda_get_bool_hint(codec, "auto_mic");
 	if (val >= 0)
 		spec->suppress_auto_mic = !val;
@@ -3253,6 +3256,9 @@ static int check_auto_mute_availability(struct hda_codec *codec)
 	int present = 0;
 	int i, err;
 
+	if (spec->suppress_auto_mute)
+		return 0;
+
 	if (cfg->hp_pins[0])
 		present++;
 	if (cfg->line_out_pins[0])

sound/pci/hda/hda_generic.h

@@ -177,6 +177,7 @@ struct hda_gen_spec {
 	unsigned int automute_speaker_possible:1; /* there are speakers and either LO or HP */
 	unsigned int automute_lo_possible:1;	  /* there are line outs and HP */
 	unsigned int keep_vref_in_automute:1; /* Don't clear VREF in automute */
+	unsigned int suppress_auto_mute:1; /* suppress input jack auto mute */
 	unsigned int suppress_auto_mic:1; /* suppress input jack auto switch */
 	unsigned int line_in_auto_switch:1; /* allow line-in auto switch */