[alsa-devel] ASUS Phoebus (CMI8888) HDA Support

[Takashi Iwai]

At Mon, 4 Aug 2014 11:30:31 -0700,
Vincent Lejeune wrote:
> 
> Thanks, it almost works now !
> 
> Actually it requires the AZX_DCAPS_NO_MSI (otherwise dma doesnt work) and AZX_DCAPS_POSFIX_LPIB (otherwise sound is stuttered) and no snoop.
> There is still an issue with the sound volume : it's very low, I have to put my speakers to 100% of their power to actually hear something. Otherwise sound is ok, no more crakling as with single_cmd mode.
> 
> Dmesg also complains about a db Mismatch, I suspect it's related to the issue. If I remove the patching ops in snd_hda_codec_build_controls the error goes away but there is no more sound and the digital output control disappear too. I dont know which patch is applied (cmedia ?).
> 
> 
> [    2.483128] snd_hda_intel 0000:01:00.1: enabling device (0000 -> 0002)
> [    2.483238] snd_hda_intel 0000:01:00.1: Handle VGA-switcheroo audio client
> [    2.483282] snd_hda_intel 0000:01:00.1: irq 50 for MSI/MSI-X
> [    2.483454] snd_hda_intel 0000:02:00.0: enabling device (0000 -> 0002)
> [    2.483494] snd_hda_intel 0000:02:00.0: Disabling MSI
> [    2.489701] snd_hda_intel 0000:01:00.1: no codecs initialized
> [    2.511016] sound hdaudioC1D1: autoconfig: line_outs=4 (0xc/0xe/0xd/0xf/0x0) type:line
> [    2.511018] sound hdaudioC1D1:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
> [    2.511019] sound hdaudioC1D1:    hp_outs=1 (0x10/0x0/0x0/0x0/0x0)
> [    2.511020] sound hdaudioC1D1:    mono: mono_out=0x0
> [    2.511021] sound hdaudioC1D1:    dig-out=0x14/0x0
> [    2.511021] sound hdaudioC1D1:    inputs:
> [    2.511022] sound hdaudioC1D1:      Mic=0x12
> [    2.511023] sound hdaudioC1D1:      Line=0x15
> [    2.511024] sound hdaudioC1D1:      Aux=0x13
> [    2.523844] ALSA sound/pci/hda/hda_codec.c:2792 hda_codec: Mismatching dB step for vmaster slave (-100!=1000)

Could you give alsa-info.sh output with the patched kernel and option?
This should be rather the codec issue, and it's possibly a problem in
the generic parser.


Takashi