On Thu, May 01, 2003 at 08:13:23PM +0100, Matthew Buckett wrote: > I'm running debian woody on a iMac 350 (slot loading) and I seem to get > problems with the sound when it is sent through the headphones socket on > the right of the machine. The sound is rough, not crackly, it's > difficult to describe but definatly wrong. I think the sound is ok > through the speaker but it is not as easy to tell. I do not have this > problem under Mac OS9 or Mac OSX. I'm using dmasound_pmac and the > standard debian kernel: > > i2c-core.o: i2c core module > i2c-core.o: adapter uni-n 0 registered as adapter 0. > i2c-core.o: adapter uni-n 1 registered as adapter 1. > Found KeyWest i2c on "uni-n", 2 channels, stepping: 4 bits > i2c-core.o: adapter mac-io 0 registered as adapter 2. > Found KeyWest i2c on "mac-io", 1 channel, stepping: 4 bits > i2c-dev.o: i2c /dev entries driver module > i2c-core.o: driver i2c-dev dummy driver registered. > i2c-dev.o: Registered 'uni-n 0' as minor 0 > i2c-dev.o: Registered 'uni-n 1' as minor 1 > i2c-dev.o: Registered 'mac-io 0' as minor 2 > dmasound_pmac: Awacs/Screamer Codec Mfct: 1 Rev 3 > PowerMac Screamer DMA sound driver rev 016 installed > Core driver edition 01.06 : PowerMac Built-in Sound driver edition 00.07 > Write will use 4 fragments of 32768 bytes as default > Read will use 4 fragments of 32768 bytes as default > > Also is it possible to have the speakers muted when headphones are > plugged in as under Mac OS(9,X)?
aumix seems to mute the speakers independently, using the top 2 rows to control the internal and external outputs. -- http://www.lp.org Chris Tillman - Linux Rox -