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Date:      Sun, 24 Feb 2013 20:29:48 -0500
From:      Eitan Adler <lists@eitanadler.com>
To:        matt <sendtomatt@gmail.com>
Cc:        bapt@freebsd.org, freebsd-acpi@freebsd.org, Ian Smith <smithi@nimnet.asn.au>
Subject:   Re: what is required to support a new laptop?
Message-ID:  <CAF6rxgnWinRvpqAX%2Bt-N3_3iSWeV=xMZTHpZgJ78UpOEkh7H2Q@mail.gmail.com>
In-Reply-To: <512ABB5E.5050904@gmail.com>
References:  <CAF6rxg=c=JN=N7NkWYdRHbgAqQTPGoFr=uLuXgiCfh%2BDdd-C4w@mail.gmail.com> <20130128114938.GK50515@e-new.0x20.net> <CAF6rxgnHayanFrLhmixdixe_pKeifPZG2mUYnJc51ioc47oYJQ@mail.gmail.com> <CAN6yY1tLY_LSv6xpcfD_oC_6769BSuFutKYE4%2BExN81oyue5vQ@mail.gmail.com> <20130130024649.R87033@sola.nimnet.asn.au> <CAF6rxgnuC%2B9-TZV_3uv2hyGiGOngost9k2ct0ZFtfvnzeDPvEA@mail.gmail.com> <20130130032714.D87033@sola.nimnet.asn.au> <CAF6rxgmuvv%2B8wOgju6bbjLk-WysDo8BpDaKebMMOd0aSohPO=w@mail.gmail.com> <20130130050811.H87033@sola.nimnet.asn.au> <512AB6F3.6030001@gmail.com> <CAF6rxg=qzuFdsOkV8Ry9oCw3V=pxwihDiR2E8DE=bJ%2BVQaBvOA@mail.gmail.com> <512ABB5E.5050904@gmail.com>

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On 24 February 2013 20:16, matt <sendtomatt@gmail.com> wrote:
> I made a typo :( Change the second call from _BCL to _BCM.
> The first call _BCL would "trapdoor" a thinkpad, and it returns an
> unknown object type 4. Acpi call has some formatting options to display
> this "object", it's usually (or should be) a list of valid backlight
> levels. The second call should set the value. _BQC will return the
> current value. If that does not work, also try replacing PEG0 with PEG1.

[5398 root@gravity (100)% ...ts/sysutils/acpi_call !5!]#acpi_call -p
'\_SB.PCI0.PEG1.VGA.LCD._BQC' -o o
0
[5399 root@gravity (100)% ...ports/sysutils/acpi_call ]#acpi_call -p
'\_SB.PCI0.PEG0.VGA.LCD._BQC' -o o
0

[5389 root@gravity (100)% ...ports/sysutils/acpi_call ]#acpi_call -p
'\_SB.PCI0.PEG1.VGA.LCD._BCM' -i 50
50
[5390 root@gravity (100)% ...ports/sysutils/acpi_call ]#acpi_call -p
'\_SB.PCI0.PEG1.VGA.LCD._BCM' -i 20
20

but nothing visible changes.


This is better than before (I think).  Thanks!  I hope this could work
in the end.

-- 
Eitan Adler



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