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Commit d12daf6f authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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



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

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent fb690cf5

sound/pci/hda/hda_generic.c

+3 −0
Original line number Diff line number Diff line
@@ -3034,6 +3034,9 @@ static int check_auto_mic_availability(struct hda_codec *codec) 
	unsigned int types;

	int i, num_pins;



	if (spec->suppress_auto_mic)

		return 0;



	types = 0;

	num_pins = 0;

	for (i = 0; i < cfg->num_inputs; i++) {

sound/pci/hda/hda_generic.h

+1 −0
Original line number Diff line number Diff line
@@ -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_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_mic:1; /* suppress input jack auto switch */

	unsigned int line_in_auto_switch:1; /* allow line-in auto switch */



	/* other flags */