diff options
| author | Matthew Ranostay <mranostay@embeddedalley.com> | 2008-02-21 07:51:46 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-04-24 12:00:14 +0200 |
| commit | 03d7ca177fd2ecac8eb22f482f327ecaae4ac8cb (patch) | |
| tree | 3705f711c9c12a6a3ecfb4d2951ddeac0574a144 /sound/pci/hda/patch_sigmatel.c | |
| parent | a7662640104599249e15cda7839e9050f92e6a0e (diff) | |
[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>
Diffstat (limited to 'sound/pci/hda/patch_sigmatel.c')
| -rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index a0c290cef76..314ea51538b 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -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 */ |