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