[alsa-devel] Very faint sound on Dell Latitude E6500

Takashi Iwai tiwai at suse.de
Wed Jan 28 16:31:03 CET 2009

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=30cac30e5b1ddd9c842481a830c250cc3e593b0d. A 

Please run with --no-upload and included the result in the post.

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 
	hda-verb /dev/snd/hwC0D0 0x28 SET_VOLUME_KNOB 0


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