Realtek High Definition Audio on Asus A6Q Laptop

[Bubbles Bug]

Hello:

I installed FreeBSD 6.1 Release on my Asus A6Q Laptop.

There is no built-in driver for Realtek High Definition Audio.

OSS (Open Sound System) can drive it,

but there were some problems.

Gnome's default media player Totem cannot play (device problem).
mp3blaster cannot find device.

XMMS can play normally, but "volume control" and  "balance" malfunction.
/dev/mixer exists.
My head phone plugged had no sound.

During the test done by OSS
I can hear music from my head phone.

It seems to be a problem abount switching output channel.
How can I switch it dynamically and easily?

THX