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

Matt Domsch
2006-10-02T00:39:05Z

On Sun, Oct 01, 2006 at 05:19:12PM -0700, Andrew Morton wrote:
> On Sat, 30 Sep 2006 19:08:10 +0200
> Alessandro Guido <alessandro.guido@gmail.com> wrote:
>
> > Make the sony_acpi use the backlight subsystem to adjust brightness value
> > instead of using the /proc/sony/brightness file.
> > (Other settings will still have a /proc/sony/... entry)
>
> umm, OK, but now how do I adjust my screen brightness? ;)
>
> I assume that cute userspace applications for controlling backlight
> brightness via the generic backlight driver either exist or are in
> progress? What is the status of that?

For Dell laptops, the dellLcdBrightness app is included in the
libsmbios-bin package (http://linux.dell.com/libsmbios/main/ and
http://linux.dell.com/libsmbios/main/yum.html for the yum repo). It's
entirely userspace.

--
Matt Domsch
Software Architect
Dell Linux Solutions linux.dell.com & www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com