Might want to get in touch with this guy:
http://www.uwsg.indiana.edu/hypermail/linux/kernel/0103.0/0627.html
-Robert
Ed Centanni wrote:
> 
> So far I've gotten *almost* everything on my new refurb Dell Inspiron
> 5000E laptop working with Linux -- sound, accelerated video, pcmcia,
> networking, usb, suspend to disk and hibernate, internal winmodem, dvd,
> zip drive, compact flash, etc.  I should be very happy...
> 
> BUT!
> 
> there are two small buttons on the left hand side that are intended to
> control speaker volume.  They don't work under Linux!  They deny me
> absolute perfection!!!  Yes, I know I can control the speaker volume any
> number of other ways, and compared to problems other people have with
> Linux on laptops, this is a trivial issue.  But I want the buttons to
> work or at least a driver that allows me to use them for *something*.
> They work under windows so I know the hardware is ok.
> 
> Does anyone know if there is Linux support for these buttons. If not,
> where can I find information on them that would at least let me attempt
> to write a driver.  The usual laptop sites came up empty.  Not even my
> Vast Underground Caverns(tm) of links yielded a single reference to the
> needed information (gasp!).   If successful writing the driver module
> I'll definitely release the code GPL.
> 
> The machine is manufactured by OEM Compal (that's where Dell gets them)
> and is a Compal model N28W2 variant.  The best info I've gotten so far
> is here: http://www.envytech.co.uk/5000e/  This link actually mentions
> the buttons, describes where they are and why they exist -- but that's
> all.
> 
> TIA
> 
> Ed.
This archive was generated by hypermail 2.1.3 : Fri Aug 01 2014 - 20:03:00 EDT