At Mon, 6 Oct 2008 19:10:14 +0200, Klaas De Craemer wrote: > > On Mon, Oct 6, 2008 at 12:57 PM, Takashi Iwai <tiwai@xxxxxxx> wrote: > > [please don't drop Cc to alsa-devel ML] > > > > At Mon, 6 Oct 2008 12:48:43 +0200, > > Klaas De Craemer wrote: > >> > >> Hello, > >> > >> I'm sure that the audioquality will degrade somewhat because of the additional amplification, > >> but before, the HP-out was not usable at all. I had to use an external ampli just to use my > >> headphones, even after turning all volume sliders to 100%. Then again, when removing the HP, > >> the volume though the internal speakers was way too loud... > >> > >> I'm not sure what you mean with the output pin and headphone control, but I have uploaded the > >> output of the codegraph tool before and after my modification here: > >> http://users.vtk.be/~s0159120/codec_original.svg > >> http://users.vtk.be/~s0159120/codec_final.svg > >> > >> Below is the output of alsa-info with the patched module > >> Klaas > > > > Thanks. > > > > So, if I understand correctly, when the pin 0x0a is connected directly > > from DAC0 0x10, the output level is too low even if you set the all > > volumes maximal. > > That is correct. > > > > In the alsa-info.sh output, I see the following: > >> Node 0x10 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L > >> Amp-Out caps: N/A > >> Amp-Out vals: [0x5e 0x5e] > > > > which means that you decrease the output level intentionally. > > Is the HP output still too low even if you set to the higher value? > > > No, after the patch I don't need 100% anymore. Of course not :) > The HP output is fine > now, and I can tune it up and down a bit. Before using the mixer-amp, > going from 90 to 100 resulted in going from no sound to little sound. > Now the range is more useful. Could you check the raw value of the widget 0x10 without your patch? The percent doesn't tell you exactly what you changed. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
