audio problem

[gboyce-qL0WqcyiFk9Wk0Htik3J/w at public.gmane.org (Gregory Boyce)]

On Thu, 15 Jan 2009, Matthew Gillen wrote:

> (don't ask me why the PC speaker device, which is an output device, is in
> /dev/input/)

http://lkml.org/lkml/2006/10/24/44

"The Input subsystem also covers simple beeps, because real keyboards
beep.  So it was only straight-forward to also put the PC speaker into
the Input subsystem to be able to emulate real keyboard's beeps as
good as possible :)"

Based on another post on the topic, apparently "real keyboards" includes 
Sun keyboards.