Linux Ubuntu/Debian ATI 9902 No Sound Solution on HP G6 Pavilion Laptop
00:14.2 Audio device: Advanced Micro Devices [AMD] Hudson Azalia Controller (rev 01)
00:01.1 Audio device: Advanced Micro Devices [AMD] nee ATI Device 9902
Backup your also.conf file
Change all instances of "card 0" to "card 1" (no need to manually do it, this command below does it all instantly and without fail or error:
sed -i 's/card 0/card 1/g' /usr/share/alsa/alsa.conf
After that you may need to restart but your sound/audio should be working.