2010/8/24 David Henningsson <david.henningsson@xxxxxxxxxxxxx> > 2010-08-24 02:57, Raymond Yau skrev: > > 2010/8/24 David Henningsson <david.henningsson@xxxxxxxxxxxxx> > > > >> I admit that the best thing would be to make the driver support all > >> three mics, but at this point, the alsa driver can only support two, one > >> called "mic" and one called "front mic". I believe the best choice is to > >> select the internal mic as "front mic" and the mic jack on the laptop as > >> "mic", thus leaving the docking station mic jack non-functional. > >> > >> The behavior without this patch is to select the mic jack on the laptop > >> as "mic" and the mic on the docking station as "front mic", thus leaving > >> the internal mic non-functional in all cases, and that regardless of you > >> have a docking station or not. > >> > >> 2010-08-23 21:07, Jerone Young skrev: > >>> For laptops you would want to take preference of the docking jack over > >>> the interal mic if you are in a docking station. > >>> > >>> So if you do plug into a docking station and you have a microphone in > >>> the docking station, a user would want to use that over the internal > >>> microphone. You wouldn't want the laptop internal mic preferred over > the > >>> docking station microphone. > >>> > >>> Thanks, > >>> Jerone > >>> > >>> On Mon, 2010-08-23 at 21:03 +0200, David Henningsson wrote: > >>>> The BIOS of Dell Precision M6500 lists both 0x0e and 0x11 as > >>>> front mics, and the driver only supports one front mic. This > >>>> commit adds a quirk for preferring node 0x11 (internal mic) to > >>>> node 0x0e (possibly docking station mic). > >>>> > >>>> Alsa-info reference: > >>>> http://launchpadlibrarian.net/54232083/alsa-info.txt.xyFVpIysHt > >>>> > >> > > > > There are two ADC , this mean that the correct model should provide two > > capture subdevices instead of one > > > > Node 0x15 [Audio Input] wcaps 0x1d0541: Stereo > > Device: name="STAC92xx Analog", type="Audio", device=0 > > Converter: stream=1, channel=0 > > SDI-Select: 0 > > Power: setting=D0, actual=D0 > > Delay: 13 samples > > Connection: 1 > > 0x17 > > Processing caps: benign=0, ncoeff=0 > > Node 0x16 [Audio Input] wcaps 0x1d0541: Stereo > > Converter: stream=0, channel=0 > > SDI-Select: 0 > > Power: setting=D0, actual=D0 > > Delay: 13 samples > > Connection: 1 > > 0x18 > > Processing caps: benign=0, ncoeff=0 > > I don't disagree. Feel free to write a patch for that, I assume Takashi > will take it if it's written well enough and according to his/Linus's > standards. > > Have you try model=mic-ref ? it seem there are already two capture subdevice using hda-emu Attach PCM dev 0, name STAC92xx Analog, type audio, play #1, capture #2 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
