Date: Tue, 15 May 2012 11:54:23 +0200 From: Quentin Schwerkolt <develloper.unix@hotmail.fr> To: Lawrence Stewart <lstewart@freebsd.org> Cc: freebsd-desktop@freebsd.org Subject: Re: How is monitor brightness is controlled ? Message-ID: <BLU0-SMTP2210639B45B77530CBD38DF841B0@phx.gbl> In-Reply-To: <4FB223BD.3070208@freebsd.org> References: <CADGKei7u5EOEZd2vsMTKK14Fnmyo2N2xfGfo2ZMu_2yC6fgbRQ@mail.gmail.com> <4FB223BD.3070208@freebsd.org>
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The sysctl key for brightness run under X? I have never succeeded to increase or decrease the screen brightness under X. I must use a tty for perform it. Cordially. Q. Schwerkolt On 05/15/12 11:37, Lawrence Stewart wrote: > On 05/13/12 17:55, Yevgen Krapiva wrote: >> Hi everyone. >> >> Could somebody tell me what thing in FreeBSD is managing the monitor >> brightess ? > > Given that the function keys don't work, check if you have any relevant > sysctl options to play with. Most likely to find them under hw.acpi, but > try grepping "sysctl -a" output for bright or lcd to see if anything > comes up. > >> I've got Dell Inspiron laptop, FreeBSD 9.0 RELEASE and KDE4. >> Pressing the functional combintation of Fn+F4/F5 does not have any >> effect. >> In order to understand what's wrong I need to know in what direction I >> should move. > > Getting the fn keys working requires some ACPI voodoo I'm not familiar > with, so I'll have to defer to someone else to advise on that. The info > at [1] might be a good starting point. The fn keys on my Toshiba R600 > laptop started working only after I loaded the acpi_toshiba.ko kernel > module. I note there's no similar module for Dell's so getting them > working will probably require some fiddling. > > Cheers, > Lawrence > > [1] > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-debug.html > _______________________________________________ > freebsd-desktop@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-desktop > To unsubscribe, send any mail to "freebsd-desktop-unsubscribe@freebsd.org" > >
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