cvs commit: src/sys/dev/sound/pci ich.c

Wilko Bulte wkb at
Mon Aug 18 14:36:32 PDT 2003

On Mon, Aug 18, 2003 at 02:28:16PM -0700, Orion Hodson wrote:
> /-- Wilko Bulte wrote:
> | wkb at freebie ~: dmesg | grep pcm
> | pcm0: <ESS Solo-1E> port
> | 0xdf4c-0xdf4f,0xdf7c-0xdf7f,0xdf50-0xdf5f,0xdf60-0xdf6f,0xde80-0xdebf irq 11
> | at device 13.0 on pci2
> | pcm1: <Intel ICH5 (82801EB)> port 0xee80-0xeebf,0xe800-0xe8ff mem
> | 0xfebff400-0xfebff4ff,0xfebff800-0xfebff9ff irq 10 at device 31.5 on pci0
> | pcm1: <unknown ac97 codec> (id=0x41445375)
> | 
> | I'm wondering about the ac97 codec message?
> The ac97 code has a table of codecs that provide the name and optionally a 
> function pointer to a vendor specific initialization routine.  On RELENG_4, 
> the AD1985 does not have an entry, so the codec is indicated as "unknown" with 
> the relevant codec id.  The latter is useful for diagnostics.

OK. To what extent needs a codec specific code to work, or is it sufficient
to recognise it as a ac97?

> If you want a short-term fix you can edit the codec table in 
> ${SRC}/sys/dev/sound/pcm/ac97.c.  We're about due for a syncing of the ac97 
> codec between RELENG_4 and HEAD, which would fix the message for this and 
> quite a few other codecs.

Thank you, I don't know too much about sound hardware, but found it
very neat to see pcm detect the onboard sound of my new P4P800.

Will the MFC be in time for 4.9R ? Murray just posted an update
that the code freeze for 4.9R will start coming Monday.


|   / o / /_  _   		wilko at
|/|/ / / /(  (_)  Bulte				

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