On Friday 30 January 2009, Takashi Iwai wrote: > At Fri, 30 Jan 2009 12:38:57 +0100, > > Laurent Pinchart wrote: > > On Friday 30 January 2009, Takashi Iwai wrote: > > > At Thu, 29 Jan 2009 22:33:19 +0100, Laurent Pinchart wrote: > > > > On Thursday 29 January 2009, Takashi Iwai wrote: > > > > > At Thu, 29 Jan 2009 02:47:45 +0100, Laurent Pinchart wrote: > > > > > > On Wednesday 28 January 2009, Takashi Iwai wrote: > > > > > > > At Tue, 27 Jan 2009 16:51:56 +0100, Laurent Pinchart wrote: > > > > > > > > Hi everybody, > > > > > > > > > > > > > > > > I've received a brand new Dell Latitude E6500 and found out > > > > > > > > that the sound card wasn't exactly well supported by ALSA. > > > > > > > > > > > > > > > > Sound is barely audible (so faint that I'm not even sure if > > > > > > > > the proper sound is output or if I just get garbage), with > > > > > > > > some loud noise here and there that seem to correspond to the > > > > > > > > saturated audio data parts. > > > > > > > > > > > > > > > > The sound card is an HDA-Intel with an IDT 92HD71B7X codec. > > > > > > > > Hardware information can be found at > > > > > > > > http://www.alsa-project.org/db/?f=30cac30e5b1ddd9c842481a830c > > > > > > > >250c c3e5 93b0 d. A > > > > > > > > > > > > > > Please run with --no-upload and included the result in the > > > > > > > post. > > > > > > > > > > > > Done, output included in this e-mail. > > > > > > > > > > > > > Anyway, this problem might be related with the volume-knob. > > > > > > > Install hda-verb and try the following > > > > > > > > > > > > > > hda-verb /dev/snd/hwC0D0 0x28 SET_VOLUME_KNOB 0xff > > > > > > > or > > > > > > > hda-verb /dev/snd/hwC0D0 0x28 SET_VOLUME_KNOB 0 > > > > > > > > > > > > Unfortunately none of those make a difference. > > > > > > > > > > After doing this, check /proc/asound/card0/codec* whether this node > > > > > 0x28 is really changed. > > > > > > > > Yes it does (the range is 0x00-0x7f and not 0x00-0xff). > > > > > > The bit 7 is to specify the direct mode. > > > Maybe we need to select the input of the widget beforehand: > > > > > > % hda-verb /dev/snd/hwC0D0 0x28 SET_CONN 1 > > > % hda-verb /dev/snd/hwC0D0 0x28 SET_VOLUME_KNOB 0xff > > > > I'm afraid it doesn't make any difference either. > > Did you check proc output and see any difference at all? SET_VOLUME_KNOB changes the Volume Knob Widget's 'direct' and 'value' fields, but SET_CONN doesn't seem to have any effect. Best regards, Laurent Pinchart _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
