At Wed, 30 Jan 2008 16:29:40 +0000, Marcin Floryan wrote:
On 26/01/2008, Andy Shevchenko andy@smile.org.ua 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