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Commit 03d7ca17 authored by Matt Ranostay's avatar Matt Ranostay Committed by Takashi Iwai
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[ALSA] hda: STAC927x analog mic 



Some laptops have a internal analog microphone that is not setup by the BIOS.

Signed-off-by: default avatarMatthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent a7662640

sound/pci/hda/patch_sigmatel.c

+2 −0
Original line number Diff line number Diff line
@@ -3721,6 +3721,8 @@ static int patch_stac927x(struct hda_codec *codec) 
		spec->mixer = stac927x_mixer;

		break;

	case STAC_DELL_BIOS:

		/* configure the analog microphone on some laptops */

		stac92xx_set_config_reg(codec, 0x0c, 0x90a79130);

		/* correct the front output jack as a hp out */

		stac92xx_set_config_reg(codec, 0x0f, 0x0227011f);

		/* correct the front input jack as a mic */