Re: Deficient volume knob

[Daniel Cheng <gmane@xxxxxxxx>]

Vegard Nossum wrote:
> Hi,
> 
> I have a laptop with a physical volume knob -- it's a little wheel
[...]
> H: Handlers=kbd event1
> B: EV=120013
> B: KEY=4 2000000 3803078 f800d001 feffffdf ffefffff ffffffff fffffffe
> B: MSC=10
> B: LED=7
> 
> So it seems that the wheel is not hard-wired to the sound card or
> speakers at all. How would I go about to making it change the sound
> volume? I don't even know where to begin. The keyboard/input driver?
> Register an event listener somewhere in ALSA? Or is this a job for
> user-space alone? I would be grateful for a helping hand!

user-space.
Google for "linux multimedia keyboard"

> 
> Thanks.
> 
> Kind regards,
> Vegard Nossum
> 

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