On Feb 21, 2008, at 2:09 AM, Takashi Iwai wrote: > At Wed, 20 Feb 2008 21:49:59 -0500, > Matthew Ranostay wrote: >> >> Some laptops have a internal analog microphone that is not setup >> by the BIOS. >> >> Signed-off-by: Matthew Ranostay <mranostay@xxxxxxxxxxxxxxxxx> > > Applied to HG tree. > > BTW, are there boards / machines that have both analog and digital > mics? Yep there are several boards that have both analog and digital mics. > Currently, we have "Digital Capture Volume". It was introduced > as an alternative volume control for digital mics. But, this seems > confusing people a lot because this volume works correctly at 50%, > corresponding to 0dB. For systems that have only analog mics, this > control doesn't make much sense. > > Thus, I would love to make this control depending on the presence of > digital mic if possible... > > > thanks, > > Takashi > >> --- >> 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 */ >> > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
