Re: [RFT] Major snd_hda rewrite

On 01/12/12 14:18, Yuri Pankov wrote:
> On Wed, Jan 11, 2012 at 09:33:17PM +0200, Alexander Motin wrote:
>> I would like request for testing of my work on further HDA sound driver
>> improvement.
> [...]
>> Patch can be found here:
>> http://people.freebsd.org/~mav/hda.rewrite.patch
>>
>> Patch was generated for 10-CURRENT, but should apply to fresh 9-STABLE
>> and 8-STABLE branches also.
>
> Patch applied cleanly to r230008 using `svn patch`.
>
> hdacc0:<NVidia GT220 HDA CODEC>  at cad 0 on hdac0
> hdaa0:<NVidia GT220 HDA CODEC Audio Function Group>  at nid 1 on hdacc0
> pcm0:<NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)>  at nid 5 on hdaa0
> hdacc1:<NVidia GT220 HDA CODEC>  at cad 1 on hdac0
> hdaa1:<NVidia GT220 HDA CODEC Audio Function Group>  at nid 1 on hdacc1
> pcm1:<NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)>  at nid 5 on hdaa1
> hdacc2:<NVidia GT220 HDA CODEC>  at cad 2 on hdac0
> hdaa2:<NVidia GT220 HDA CODEC Audio Function Group>  at nid 1 on hdacc2
> pcm2:<NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)>  at nid 5 on hdaa2
> hdacc3:<NVidia GT220 HDA CODEC>  at cad 3 on hdac0
> hdaa3:<NVidia GT220 HDA CODEC Audio Function Group>  at nid 1 on hdacc3
> pcm3:<NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)>  at nid 5 on hdaa3
> hdacc4:<IDT 92HD75BX HDA CODEC>  at cad 0 on hdac1
> hdaa4:<IDT 92HD75BX HDA CODEC Audio Function Group>  at nid 1 on hdacc4
> pcm4:<IDT 92HD75BX HDA CODEC PCM (Analog)>  at nid 13 and 11 on hdaa4
> pcm5:<IDT 92HD75BX HDA CODEC PCM (Analog)>  at nid 15 and 24 on hdaa4
> pcm6:<IDT 92HD75BX HDA CODEC PCM (Front Digital)>  at nid 30 on hdaa4
>
> pcm4 (builtin speakers) and pcm5 (headphones) seem to work fine, however

Thank you.

> I'm not getting anything out of pcm0-pcm3 (connected to a TV via HDMI),
> mplayer just pauses at the beggining, trying to cat anything to
> /dev/dsp{0-3}.0 gives:
>
> pcm0: chn_write(): pcm0:virtual:dsp0.vp0: play interrupt timeout, channel dead
>
> It was the same with the old driver and I'm not sure if it's (most
> likely) my misconfiguration or a driver problem.

It sounds more like a driver problem. HDMI audio is still not very well 
discovered area, and, according to ALSA reading, NVidia HDMI is also not 
very standard. Probably I'll finally have to buy something to 
experiment. What card do you have?

-- 
Alexander Motin