On Sat, Jun 16, 2012 at 01:24:58PM +0200, Karol Babioch wrote: > Hi, ... > > Can you try applying the sony-laptop patches on 3.2, boot with > > acpi_backlight=vendor and see what is the state there? > It behaves just like 3.3. What might be interesting is 3.1. Here some > really strange values get returned: > > [root@vpcs nv_backlight]# cat actual_brightness brightness max_brightness ... how about the sony-laptop stuff with 3.1+patches? What is the output of $ grep . /sys/class/backlight/*/* $ grep . /sys/devices/platform/sony-laptop/* and the kernel log after these two commands I'm trying to understand is if the patch series I sent works for you on the last working version of kernel (i.e. 3.1 apparently). ... > I'm currently trying to reconstruct the last version that worked for me. > I'm quite sure that "vaio-full-3.0.4.patch" (from here [1]), worked fine > with the 3.1.x branch. However I've just recompiled 3.1.10 and it > doesn't seem to work. Anyway it worked without the > "acpi_backlight=vendor" parameter, so I'm not quite sure whether this is > of interest for you right now. it is actually. What did you have in the sony-laptop sysfs directories when booting with acpi_backlight=vendor? Thanks! -- mattia :wq! -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
