Recently I have upgraded my Asus B43s from 12.04 to 12.04 HWE and have lost all audio upon start up. When going to the sound setting, there are no devices available. Once I run command "lspci | grep Audio" in the terminal, my audio comes back. If I shutdown or restart, I have to do the same thing over again before the sound is available. Is there anything that can be done to have the sound available on start up? Below is the output from lspci | grep Audio.
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) 01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Caicos HDMI Audio [Radeon HD 6400 Series]