[alsa-devel] HDA: no sound [was: mmotm 2010-10-20-15-01 uploaded]

[Takashi Iwai]

At Thu, 21 Oct 2010 09:41:08 +0200,
Jiri Slaby wrote:
> 
> On 10/21/2010 12:01 AM, akpm at linux-foundation.org wrote:
> > The mm-of-the-moment snapshot 2010-10-20-15-01 has been uploaded to
> 
> Hi, I've lost sound with my intel hda (sigmatel) in this release
> (regression against mmotm 2010-10-13-17-13).
> 
> All outputs were silented at level 0 after reboot, but even after
> setting them non-zero in alsamixer -D hw, no sound can be heard by:
> mplayer -ao alsa:device=hw /usr/share/sounds/alsa/Front_Center.wav
> 
> I don't knwo if it's related, but aplay complains like (even if I pass
> -c 2):
> aplay -D hw /usr/share/sounds/alsa/Front_Center.wav
> Playing WAVE '/usr/share/sounds/alsa/Front_Center.wav' : Signed 16 bit
> Little Endian, Rate 48000 Hz, Mono
> aplay: set_params:1065: Channels count non available

This is irrelevant.  The hardware supports only stereo streams while
you are trying to play a mono-channel stream.

> alsa-info:
> http://www.alsa-project.org/db/?f=a7a09703bcc8c43386c87a984e513ce35fc91ca4

I see the Front volume is set to zero.  Try to raise it.


Takashi