At Thu, 29 Nov 2007 16:02:09 +0100, Jan-Simon Möller wrote: > > The levels were 0-43 on Master and PCM. > When PCM was over 20 it sounded ugly. In the recent version of alsamixer, you must be able to see the corresponding dB level. I guess it's 0dB. > Your patch fixed it with PCM. > Master now 0-43, PCM now 0-20 . > What about the inputs are they affected before/after the patch ? Which inputs, more exactly? Takashi > > Many thanks ! > > Best regards > Jan-Simon > > > Am Dienstag 27 November 2007 16:23:08 schrieb Takashi Iwai: > > At Tue, 27 Nov 2007 16:19:56 +0100, > > > > I wrote: > > > At Fri, 23 Nov 2007 17:45:21 +0100, > > > > > > Jan-Simon Möller wrote: > > > > Hi ! > > > > With the patches, the sound works - well done! > > > > But I need to make sure the PCM volume is max @ 50% . > > > > If its over 50% sound is clipped and ugly (overload?). > > > > > > Looks like so. Mixer apps (e.g. alsamixer) can show its dB value > > > instead of percent. Check the dB level shown there. > > > > > > The patch below may fix this issue. Give it a try. > > > > Argh, the patch is wrong. Use the below instead. > > > > > > Takashi > > > > diff -r 17223a4918b4 pci/hda/patch_conexant.c > > --- a/pci/hda/patch_conexant.c Tue Nov 27 15:27:17 2007 +0100 > > +++ b/pci/hda/patch_conexant.c Tue Nov 27 16:50:37 2007 +0100 > > @@ -826,6 +826,17 @@ static int patch_cxt5045(struct hda_code > > spec->init_verbs[0] = cxt5045_test_init_verbs; > > #endif > > } > > + > > + /* > > + * Fix max PCM level to 0 dB > > + * (originall it has 0x2b steps with 0dB offset 0x14) > > + */ > > + snd_hda_override_amp_caps(codec, 0x17, HDA_INPUT, > > + (0x14 << AC_AMPCAP_OFFSET_SHIFT) | > > + (0x14 << AC_AMPCAP_NUM_STEPS_SHIFT) | > > + (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) | > > + (1 << AC_AMPCAP_MUTE_SHIFT)); > > + > > return 0; > > } > > > > _______________________________________________ > > Alsa-devel mailing list > > Alsa-devel@xxxxxxxxxxxxxxxx > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > > > > -- > Jan-Simon Möller > Schaumburgstraße 2 > 30419 Hannover > > +49 511 2700750 > +49 177 3017915 > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
