Date: Fri, 9 Dec 2011 20:21:22 +0100 From: "=?UTF-8?B?5paH6bOl?=" <bunchou@googlemail.com> To: freebsd-questions@freebsd.org Cc: Polytropon <freebsd@edvax.de> Subject: Re: Which Lenovo Laptop? Message-ID: <20111209202122.231eedd1@kuro.5550h.net> In-Reply-To: <20111209190526.17858d6d.freebsd@edvax.de> References: <CANT0rct0-4wB1FHyh6puNpCsF7XS-yJC3J6=Wo==n4vY_-vzuA@mail.gmail.com> <4EE0E96C.8090406@locolomo.org> <CANT0rctw5bcP1-1kNNZCZNxeRfVh1KbaRmywoGebZ921kv38eA@mail.gmail.com> <20111209080355.118d7aa5@kuro.5550h.net> <CANT0rcv_=F5T3o%2BocPkTdHk_YbPYi%2B3KvWseLcP0mv-2cZx=ng@mail.gmail.com> <20111209165023.63f1965f@kuro.5550h.net> <20111209190526.17858d6d.freebsd@edvax.de>
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On Fri, 9 Dec 2011 19:05:26 +0100 Polytropon <freebsd@edvax.de> wrote: > On Fri, 9 Dec 2011 16:50:23 +0100, =F0=AB=9D=86=E4=BA=95 Pierre wrote: > > If there is a setting to xorg.conf that does work for setting the > > screen brightness, please tell me. Everything I tried so far turned > > out negative, but maybe there's something I overlooked.=20 >=20 > Don't "modern" laptops come with keys (or key combinations, > usually Fn + Cursor or Fn + PF key) to adjust brightness > and contrast, or has this lowest-level functionality > finally moved into the world of software, i. e. drivers? >=20 At first I thought so too, but apparently you need the right drivers to get some of the keys to work: Now I am finally able to control the brightness by pressing Fn + Home/End, but only thanks to the co-operation of the acpi_video & acpi_ibm modules and the nvidia driver (which needs the "RegistryDwords" "EnableBrightnessControl=3D1" option in xorg.conf). And just to make things more complicated: the keyboard light and mixer mute keys seem to still be hard-wired and thus do not need driver support...
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