[CentOS] No sound on HP 8540w, guidance requested

[John R Pierce]

On 05/07/11 1:35 PM, Ned Slider wrote:
>> 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset
>> >  High Definition Audio (rev 06)
>> >  01:00.1 Audio device: nVidia Corporation High Definition Audio
>> >  Controller (rev a1)
> Hmm, any idea why you have 2 audio controllers?

wild guess says, one is the mainboard chipset audio controller, and the 
other is HDMI audio on the video card.