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Date:      Wed, 12 Feb 2014 10:12:08 +0100
From:      Matthias Petermann <matthias@petermann-it.de>
To:        bezobrazluk@hushmail.com
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: Thinkpad x230 display brightness
Message-ID:  <20140212101208.Horde.uLsRrtyNFM3WU_zTZwqjgQ6@d2ux.org>
In-Reply-To: <20140212070759.53FF6200F5@smtp.hushmail.com>
References:  <20140212070759.53FF6200F5@smtp.hushmail.com>

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Hello,

Zitat von bezobrazluk@hushmail.com:

> hi everyone
> i have a x230 and i have problem with acpi
>
> i read and install
> 	# cd /usr/ports/sysutils/acpi_call && make install clean # kldload
> acpi_ibm # kldload acpi_call # acpi_call -p 'VBRC' -i N where N is
> 0-16. (strangely, 15 is brighter than 16).
> my output for  [ acpi_call -p 'VBRC' -i N ] is "0"
>
> but i can change the brighter . can anyone help me ??
> i can't find a command-line for change in the terminal
> or the key FnF8 or FnF9
> thz

with my X121e I had some success with:

root@thinkpad:/usr/home/mpeterma # cd /usr/ports/sysutils/acpi_call/
root@thinkpad:/usr/ports/sysutils/acpi_call # make install clean
root@thinkpad:/usr/ports/sysutils/acpi_call # kldload acpi_call

root@thinkpad:/usr/ports/sysutils/acpi_call # acpi_call -p '\VBRU'
root@thinkpad:/usr/ports/sysutils/acpi_call # acpi_call -p '\VBRD'

while VBRU increases and VBRD decreases by one step brightness of the screen.

There is also a PR filed:

http://www.freebsd.org/cgi/query-pr.cgi?pr=amd64/181357

Kind regards,
Mathias
-- 
Matthias Petermann <matthias@petermann-it.de> | www.petermann-it.de
GnuPG: 0x5C3E6D75 | 5930 86EF 7965 2BBA 6572  C3D7 7B1D A3C3 5C3E 6D75




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