At Wed, 30 Jan 2008 16:29:40 +0000, Marcin Floryan wrote: > > On 26/01/2008, Andy Shevchenko <andy@xxxxxxxxxxxx> wrote: > > > > I was wondering now if there is anything I could do to help with > > > driver development to fine-tune for this particular hardware setup. I > > > can provide some further details or do some tests if guided a bit (I > > > am fairly comfortable modifying source code and compiling the driver) > > > First off, try to choose all models for the given codec (see > > Documentation/ALSA-Configuration.txt) one by one and test it. If some model > > provides mic work - post it here with the PCI SSID of your sound card. > > Currently using alsa-driver-hg20080126. Sound output is perfect. > > The laptop has 2 build-in speakers and a built-in microphone and three > jacks in front: mic, line-in and headphones. > > With: auto, acer, acer-aspire,3stack-dig I can record sound from > microphone but the quality is atrocious so barely usable. Did you raise Mic Boost? Anyway, show the content of /proc/asound/card0/codec#* files and the generated file via "alsactl -f somefile store". These will be helpful for further analysis. > With: targa-2ch-dig I have notice that the output is on both - the > speakers and the headphone whereas previously the output was changed > by plugging the headphones in. > > Other options do not really make any difference apart from the number > of controls in the mixer. > > In some cases the mic sound quality seems to be tiny bit better if I > switch to build-in microphone but it is far, far from good (and from > what I hear in my headphones when I enable microphone as output). > > 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High > Definition Audio Controller (rev 02) > Subsystem: Acer Incorporated [ALI] Unknown device 0090 To be sure, provide the output of "lspci -nv" (only for this device) to see the PCI SSID more exactly. thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel