Ubuntu
alsa-driver package

  1. Bug #134382
  2. Comment #3

Comment 3 for bug 134382

Revision history for this message
Pascal Potvin (pascal-potvin) wrote : Re: no sound output for NVidia MCP51 HDA

This bug seems generic with almost all HDA mixers.

~$ sudo lspci -v
[...]
00:06.1 Audio device: nVidia Corporation MCP55 High Definition Audio (rev a2)
        Subsystem: ASUSTeK Computer Inc. Unknown device 81f6
        Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 19
        Memory at fe024000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [44] Power Management version 2
        Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/0 Enable-
        Capabilities: [6c] HyperTransport: MSI Mapping
[...]

~$ aplay -l
**** Liste des PLAYBACK périphériques ****
carte 0: NVidia [HDA NVidia], périphérique 0 : HDA Generic [HDA Generic]
  Sous-périphériques: 0/1
  Sous-périphérique: #0: subdevice #0

And, the only output that works is the headphones.

It's a big regression.