Sound drivers for newer machines: need help

Matthew T. Atkinson matthew at
Sun Apr 10 07:21:29 EST 2005


On Sat, 2005-04-09 at 10:31 +1000, Benjamin Herrenschmidt wrote:
> echo `cat /proc/device-tree/model`


> for i in `find /proc/device-tree -name layout-id -print`; do echo $i && hexdump -n4 $i; done

/proc/device-tree/pci at f2000000/mac-io at 17/i2s at 10000/i2s-a at 10000/sound/layout-id
0000000 0000 0033

For your information, in case this helps...

I am using ALSA and it appears to work except that only one program can
access the sound hardware at a time (so is just like OSS :-)).  If I am
playing music in XMMS and then try to aplay a .wav file, it will hang
until XMMS is closed for example.

The trick of altering the HZ of mp3 plug-in to remove the choppiness
doesn't seem to work for all mp3 files (thought does for the vast

Many thanks for looking into this (and all the other work you do --
sleep support, for example, has been *incredibly* useful)!

best regards,

Matthew T. Atkinson <matthew at>

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