Date: Thu, 14 Dec 2006 15:43:44 +0800 From: Rong-En Fan <rafan@freebsd.org> To: Markus Brueffer <markus@freebsd.org> Cc: freebsd-acpi@freebsd.org, Rong-En Fan <rafan@freebsd.org> Subject: Re: acpi_ibm(4) and amd64 Message-ID: <20061214074344.GC93983@svm.csie.ntu.edu.tw> In-Reply-To: <200612130327.47809.markus@freebsd.org> References: <20061212165145.GA59094@svm.csie.ntu.edu.tw> <200612130327.47809.markus@freebsd.org>
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[-- Attachment #1 --] On Wed, Dec 13, 2006 at 03:27:43AM +0100, Markus Brueffer wrote: > On Tuesday 12 December 2006 17:51, Rong-En Fan wrote: > > It seems that it can not get the brightness level. I put my ASL at > > > > http://people.freebsd.org/~rafan/x60-1706b69.asl > > > > for anyone interested. > > Everything looks right DSDT wise, the EC offset for brightness didn't change. > I did a quick read through the linux-thinkpad ml archives and it seems that > this is a BIOS related problem. Older versions work, but current ones show > this problem. What BIOS and EC versions do you have installed? > > Btw: acpi_video(4) should add a brightness sysctl for the lcd (judging from > your DSDT). How does this one behave? Does writing to the brightness sysctl > have any effect (acpi_ibm(4) and acpi_video(4))? write to dev.acpi_ibm.0.lcd_brightness work, read not. read/write hw.acpi.video.lcd0.brightness works well. But the levels from acpi_video(4) is a bit weird: hw.acpi.video.lcd0.brightness: 30 hw.acpi.video.lcd0.levels: 100 30 30 40 50 60 70 80 90 100 Or, is this normal? > > 1) can we safely use acpi_ibm(4) on amd64 > > No objections here. > > Markus > > -- > Markus Brueffer ? | GPG-Key: http://people.FreeBSD.org/~markus/markus.asc > markus@brueffer.de | FP: 3F9B EBE8 F290 E5CC 1447 8760 D48D 1072 78F8 A8D4 > markus@FreeBSD.org | FreeBSD: The Power to Serve! [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFFgQCv144QkYb9jGgRAmhyAJ9l3vFK5G2Z/h6kZwCX7fo7sJDWbgCghQs3 f61l5xfL1KnA5BCgnhAcYvU= =N9cv -----END PGP SIGNATURE-----help
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