At Wed, 15 Oct 2008 11:14:49 -0300, Manuel Naranjo wrote:
On Wed, Oct 15, 2008 at 10:50 AM, Matthew Ranostay mranostay@embeddedalley.com wrote:
Manuel Naranjo wrote:
Hello everyone,
Sorry to interrupt you all, but I had been trying to get the digital mic of my Dell Inspiron 1521 for the last 5 days without any sucess.
I'm running kernel 2.6.27 with included ALSA, I also tried GIT alsa, and the result is the same, the mic works, but the volume is so damn low that there's no way to hear it.
I checked dell's windows drivers and my board belongs to the M4_8 line and not to the M4_2 as suggested in alsa source. I also did a diff between M4_2 and M4_8 and there are some differences, specially in GPIO.
I don't know what else to do now, I had tried everything. Last working alsa was 1.15 if I'm not wrong, but I'm not able to backport 1.15 to the new kernel, for some reason it fails to compile.
Do you have "Digital" volume adjusted properly (in the control name "Digital Capture Volume")? Usually this should be in exactly middle, which corresponds to 0dB.
Yep I did. I guess you're tired of stupid support requests. Don't worry I think I know what I'm doing very well. Tried with lots of different model options for the module too, none worked.
Anyway, please show the alsa-info.sh output with --no-upload option. This will tell us more detailed information.
Sure, I'm attaching 2 version. One is by not passing any argument to the module after a fresh boot, the other one is by using model=dell-m42 which should be mine according to my PID. BTW there are lots of bug tickets opened for this card over the net, most related to Ubuntu and kernel > 2.6.24
Thanks, Manuel
I only see the 'Digital Capture Volume' in the no parameters output. You generally need to run 'arecord -f cd foo.wav' to load the digital softvol mixer.
Thanks,
Matt Ranostay
Sorry, ok I did that. With pulseaudio running calling to arecord fails.
Maybe a bug of pulse alsa-plugin I posted today?
Takashi