After I had installed Ubuntu 10.10 on my Asus A52J laptop, I had two issues
1. The sound wouldn’t play through headphones when I plugged them in.
2. May webcam was upside down in Skype.
I found the answers in these two forum posts:
1. Create file /etc/modprobe.d/sound.conf, and enter the following:
options snd-hda-intel model=ideapad
2. Reboot (or reload snd-hda-intel)
Skype cam problem
To fix the cam in Skype, create a bash script in your home directory
#!/bin/bash export LIBV4LCONTROL_FLAGS=3 && LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so skype