From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mattia Dongili Subject: Re: no brightness with acpi video since 3.3 [was Re: Issues with the sony-platform module] Date: Sat, 16 Jun 2012 07:37:12 +0900 Message-ID: <20120615223711.GA31180@kamineko.org> References: <4FDA2051.3050108@babioch.de> <20120614203914.GA2645@kamineko.org> <4FDAE7FE.5030706@babioch.de> <20120615113637.GA5904@kamineko.org> <4FDB5202.706@babioch.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4FDB5202.706@babioch.de> Sender: platform-driver-x86-owner@vger.kernel.org To: Karol Babioch Cc: platform-driver-x86@vger.kernel.org, ACPI Devel Mailing List List-Id: linux-acpi@vger.kernel.org On Fri, Jun 15, 2012 at 05:17:22PM +0200, Karol Babioch wrote: > Hi again, > > Am 15.06.2012 13:36, schrieb Mattia Dongili: > > could you please test it? > Well, I've applied the patch (as well as the six others you submitted to > Matthew since the inclusion into 3.5-rc1 found here [1]), but it still > doesn't work. It's just the same as before. When booting without any > special parameters I'll get the brightness pop up when pressing the > appropriate fn keys. > > With "acpi_backlight=vendor" I don't get this pop-up at all. ok, let's forget about gnome popups for a moment, can you try using the sysfs files directly? i.e.: $ grep . /sys/class/backlight/sony/* /sys/class/backlight/sony/actual_brightness:206 /sys/class/backlight/sony/bl_power:0 /sys/class/backlight/sony/brightness:206 /sys/class/backlight/sony/max_brightness:206 grep: /sys/class/backlight/sony/power: Is a directory grep: /sys/class/backlight/sony/subsystem: Is a directory /sys/class/backlight/sony/type:platform $ echo 150 | sudo tee /sys/class/backlight/sony/brightness 150 Could you then include (in your mail please) the dmesg output after this test? Thanks! -- mattia :wq!