Re: [PATCH 2.6.18-mm2] acpi: add backlight support to the sony_acpi driver

Matthew Garrett
2006-10-10T21:23:53Z

On Tue, Oct 10, 2006 at 11:17:23PM +0800, Yu Luming wrote:

> Also, we need to make hot-key events have similar handling code .
> For example, Fn+F5 and Fn+F6 are brightness down and up key on my sony laptop.
> There is a driver called sonypi.c can map Fn+F5/F6 to KEY_FN_F5/F6. But I
> think It should be mapped to KEY_BRIGHTNESSDOWN/UP (linux/input.h)
> Although, sonypi.c is NOT so clean, but , if it can report right event to
> input layer for all sony laptop(it works for me), and all related functions
> can be controlled through generic sysfs interface, then I would say sony has
> the best hot-key solution I have even seen so far for linux.

It would have to be DMI-based to some extent - not all Sonys use the
same keys for the same purpose. Misery ensues.

--
Matthew Garrett | mjg59@srcf.ucam.org