Re: [PATCH, RFC] Driver for reading HP laptop LCD brightness

[Pavel Machek]

Hi!

> The attached patch provides a sysfs mechanism for reading the LCD 
> brightness on HP laptops. Since there's no clean way to determine 
> whether a machine is a laptop or not from within the kernel (this 
> information is in the DMI tables, but we don't currently export the 
> chassis field), it does nothing until userspace has enabled it.

Can you fix the DMI code to export chasis, then?

> Right now, I'm looking for comments on how to integrate it sensibly - 
> leaving it under drivers/misc and registering it as a platform device 
> /works/, but isn't terribly clean.

Lots of handhelds ave brightness settings, and it is *very* important
there. Perhaps you could use same interface?
								Pavel
-- 
Thanks, Sharp!
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