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ALSA: hda - Add a flag to suppress mic auto-switch

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Add a new flag spec->suppress_mic_auto_switch for codecs that don't
support unsol events properly like VT1708.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-01-07 16:32:11 +01:00
parent fb690cf582
commit d12daf6f41
2 changed files with 4 additions and 0 deletions
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3
sound/pci/hda/hda_generic.c
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@ -3034,6 +3034,9 @@ static int check_auto_mic_availability(struct hda_codec *codec)
unsigned int types; unsigned int types;
int i, num_pins; int i, num_pins;
if (spec->suppress_auto_mic)
return 0;
types = 0; types = 0;
num_pins = 0; num_pins = 0;
for (i = 0; i < cfg->num_inputs; i++) { for (i = 0; i < cfg->num_inputs; i++) {

1
sound/pci/hda/hda_generic.h
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@ -175,6 +175,7 @@ struct hda_gen_spec {
unsigned int automute_speaker_possible:1; /* there are speakers and either LO or HP */ 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 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 keep_vref_in_automute:1; /* Don't clear VREF in automute */
unsigned int suppress_auto_mic:1; /* suppress input jack auto switch */
unsigned int line_in_auto_switch:1; /* allow line-in auto switch */ unsigned int line_in_auto_switch:1; /* allow line-in auto switch */
/* other flags */ /* other flags */