I know I said I'd wait until the end of my vacation to tinker with audio on this laptop, but I couldn't help it -- I wanted to watch DVDs, and movies without sound aren't all that great an experience. So, I had to dig in and see what the solution is.

Not all that easy, it turns out. Fedora 7's latest update kernel still has no support for the Realtek ALC268 sound codec, despite supporting a number of other codecs in Santa Rosa-based laptops. The latest development version of ALSA does have support for a couple of laptops with the 268 chip, but not the TM 6292. Another patch does exist that gets closer, and I made a version on top of that one that provides rudimentary support.

That is, the speakers work now, and so does the headphone jack. However, plugging in the headphones doesn't mute the speakers, and there is only one volume control for both of them. Actually, there are three (called Headphone, PCM, and Front), but only two of them do anything, and they do the same thing (control the volume of both speakers and headphones). Microphone input doesn't work at all. However, all those details are way beyond what I want to know about audio hardware control, and I'm satisfied enough to simply get some sound out of the machine for now. Some other enterprising soul may fill in the blanks.

Patch filed at ALSA's bug tracker. If you're using the 2.6.22.1-33.fc7 kernel (the latest update Fedora 7 kernel as of this moment), you can download a replacement snd-hda-intel.ko kernel module that should enable sound for this machine. Install with

rm /lib/modules/2.6.22.1-33.fc7/kernel/sound/pci/hda/snd-hda-intel.ko

cp snd-hda-intel.ko /lib/modules/2.6.22.1-33.fc7/extra/

depmod -ae

kill $(lsof -t /dev/snd/*)

modprobe -r snd-hda-intel

modprobe snd-hda-intel