forked from Minki/linux
[ALSA] hda: STAC927x analog mic
Some laptops have a internal analog microphone that is not setup by the BIOS. Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -3721,6 +3721,8 @@ static int patch_stac927x(struct hda_codec *codec)
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spec->mixer = stac927x_mixer;
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break;
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case STAC_DELL_BIOS:
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/* configure the analog microphone on some laptops */
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stac92xx_set_config_reg(codec, 0x0c, 0x90a79130);
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/* correct the front output jack as a hp out */
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stac92xx_set_config_reg(codec, 0x0f, 0x0227011f);
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/* correct the front input jack as a mic */
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