The levels were 0-43 on Master and PCM. When PCM was over 20 it sounded ugly. 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 ? 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
