[alsa-devel] hda-intel: low volume with nvidia mcp7a hdmi

Halim Sahin halim.sahin at freenet.de
Thu Sep 24 21:01:12 CEST 2009

The volume of the mentioned card is really too low.
used kernel: 2.6.31-rc6 from opensuse factory.
lspci reports:
00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio
(rev b1)
        Subsystem: nVidia Corporation Device cb84
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Ste
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
        Latency: 0 (500ns min, 1250ns max)
        Interrupt: pin A routed to IRQ 21
        Region 0: Memory at fad78000 (32-bit, non-prefetchable)
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Kernel driver in use: HDA Intel

Output from /proc/asound/cards:
 0 [NVidia         ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xfad78000 irq 21

I didn't give any cmdline params to snd-ihda-intel.
Any ideas how to get more power out of this card?

More information about the Alsa-devel mailing list