From d12daf6f41693b6b34351b37b6d05d1a6f9b3472 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 7 Jan 2013 16:32:11 +0100 Subject: [PATCH] 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: Takashi Iwai --- sound/pci/hda/hda_generic.c | 3 +++ sound/pci/hda/hda_generic.h | 1 + 2 files changed, 4 insertions(+) diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 8e7ce7d2c138..b488c62ed97d 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -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++) { diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index 343195c827e4..1763e33b90ef 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -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 */ -- 2.30.2