21 Feb
2008
21 Feb
'08
3:49 a.m.
Some laptops have a internal analog microphone that is not setup by the BIOS.
Signed-off-by: Matthew Ranostay mranostay@embeddedalley.com --- diff -r 6b53fa114faa pci/hda/patch_sigmatel.c --- a/pci/hda/patch_sigmatel.c Tue Feb 19 15:03:57 2008 +0100 +++ b/pci/hda/patch_sigmatel.c Wed Feb 20 17:11:51 2008 -0500 @@ -3629,6 +3629,8 @@ static int patch_stac927x(struct hda_cod 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, 0x02270110); /* correct the front input jack as a mic */