[alsa-devel] no soundcards detected on MCP51 rev a

[Takashi Iwai]

At Wed, 14 Apr 2010 08:47:04 -0400,
Gregory T Flynn wrote:
> 
> No dice, configured with '--with-debug=verbose':
> 
> nuckin:~$ dmesg | grep hda
> hda_intel: Disable MSI for Nvidia chipset
> ALSA hda_intel.c:2518: chipset global capabilities = 0x770
> ALSA hda_intel.c:909: codec_mask = 0xff
> ALSA hda_intel.c:702: azx_get_response timeout, polling the codec
> once: last cmd=0x000f0000
> ALSA hda_intel.c:702: azx_get_response timeout, polling the codec
> once: last cmd=0x000f0000
> ALSA hda_intel.c:712: azx_get_response timeout, switching to polling
> mode: last cmd=0x000f0000
> ALSA hda_intel.c:1420: Codec #0 probe error; disabling it...
> ALSA hda_intel.c:1420: Codec #1 probe error; disabling it...
> ALSA hda_intel.c:1420: Codec #2 probe error; disabling it...
> ALSA hda_intel.c:1420: Codec #3 probe error; disabling it...
> ALSA hda_intel.c:1420: Codec #4 probe error; disabling it...
> ALSA hda_intel.c:1420: Codec #5 probe error; disabling it...
> ALSA hda_intel.c:1420: Codec #6 probe error; disabling it...
> ALSA hda_intel.c:1420: Codec #7 probe error; disabling it...

Is the onboard sound enabled on BIOS?

Also, try to add probe_mask=1 option to snd-hda-intel module.
If this still doesn't work, try probe_mask=2, then probe_mask=4, and
probe_mask=8.  If none of them works, then it's likely a hardware
issue.


Takashi