Date: Mon, 09 Jun 2014 11:01:23 +0000 From: bz-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 190186] [patch] i915 driver: enable opregion handling Message-ID: <bug-190186-8-HzhFZP3V3T@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-190186-8@https.bugs.freebsd.org/bugzilla/> References: <bug-190186-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=190186 --- Comment #8 from Henry Hu <henry.hu.sh@gmail.com> --- (In reply to Adrian Chadd from comment #7) > root@sabrina:/home/adrian # acpi_call -p "\VIGD" > 1 > root@sabrina:/home/adrian # acpi_call -p "\_SB.PCI0.VID.DRDY" > 1 > > > and yes: > > acpi_call -p "\_SB.PCI0.VID.LCD0._BCM" -i <x> > > works, but unpredictably. > > I can't go 5, then 99. I have to go 5, 10, 20, 30, 40, .. 99 or going > straight to 99 doesn't work. That's strange. Setting hw.acpi.video.lcd0.brightness should be the same as calling _BCM. Have you tried calling _BCM without calling VBRC(14) first? For the brightness levels, only the ones in hw.acpi.video.lcd0.levels are accepted, but I still have no idea why you can't change the brightness level directly. -- You are receiving this mail because: You are the assignee for the bug.
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