Date: Mon, 03 Sep 2012 22:47:52 -0700 From: matt <sendtomatt@gmail.com> To: SicoSico <resuscitated_wael@hotmail.com> Cc: freebsd-x11@freebsd.org Subject: Re: Lenovo Y570 backlight Message-ID: <50459608.7050801@gmail.com> In-Reply-To: <1346725868219-5740516.post@n5.nabble.com> References: <1342085203648-5726207.post@n5.nabble.com> <201207121653.32046.erichfreebsdlist@ovitrap.com> <1342094808885-5726236.post@n5.nabble.com> <50004AF0.1010400@gmail.com> <1346704065209-5740445.post@n5.nabble.com> <CAN6yY1tJggN1%2BCS37DBqRPO=mynwEnNM0xs8K-dhQVLma9RzLQ@mail.gmail.com> <1346725868219-5740516.post@n5.nabble.com>
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On 09/03/12 19:31, SicoSico wrote: > Thanks for your reply Kevin Oberman, > > #acpi_call -p '\VBRC' -i 5 > Unknown object type '-1515870811' > > Here are some values that may be related: > > #acpi_call -p '\_SB.PCI0.LPCB.EC0.BRTS' > 10 > #acpi_call -p '\_SB.PCI0.GFX0.DD02._BCM' > 0 > #acpi_call -p '\_SB.PCI0.GFX0.DD02._BQC' > 0 > #acpi_call -p '\_SB.PCI0.GFX0.DD02.LVLS' > 10 > #acpi_call -p '\_SB.PCI0.GFX0.DD02._BCL' > Unknown object type '4' > #acpi_call -p '\_SB.PCI0.PEG0.VGA.LCD.PLVL' > Unknown object type '4' > > \_SB.PCI0.GFX0.DD02._BCM can be changed: > #acpi_call -p '\_SB.PCI0.GFX0.DD02._BCM' -i 4 > 4 > > After that \_SB.PCI0.GFX0.DD02._BQC value is changed to 1: > #acpi_call -p '\_SB.PCI0.GFX0.DD02._BQC' > 1 > > But still this has no effect to the brightness. > DSDT files were attached in an earlier post. > > > > -- > View this message in context: http://freebsd.1045724.n5.nabble.com/Lenovo-Y570-backlight-tp5726207p5740516.html > Sent from the freebsd-x11 mailing list archive at Nabble.com. > _______________________________________________ > freebsd-x11@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-x11 > To unsubscribe, send any mail to "freebsd-x11-unsubscribe@freebsd.org" > Have you already tried kldload acpi_video and using the sysctl interface? It looks for _BQC to attach, so it's worth a try. Matt
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