Re: [PATCH] Added backlight driver for Acer Aspire 4736

From: Matthew Garrett
Date: Tue Mar 13 2012 - 09:35:06 EST


On Tue, Mar 13, 2012 at 06:56:16PM +0530, Pradeep Subrahmanion wrote:
> I tried giving acpi_backlight = vendor . In that case hot key for
> brightness control is working. But i think , it is not calculating the
> correct value for brightness because increasing brightness after maximum
> level gives blank screen .

Which backlight device appears then?

> By ' ACPI interface' , I mean 'acpi_video0' inside the
> /sys/class/backlight. I havn't tried the /sys/class/backlight interface
> directly . I will try that also.

So writing values into /sys/class/backlight/acpi_video0/brightness does
nothing?

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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