On Mon, 2012-01-23 at 15:45 +0100, Artur Flinta wrote: > Hi! > > On Mon, Jan 23, 2012 at 12:55 AM, joeyli <jlee@xxxxxxxx> wrote: > > Yes! we still need fix the problem with backlight control. Please kindly > > give me the result after add the following debug parameter: > > acpi.debug_level=0xF acpi.debug_layer=0xFFFFFFFF log_buf_len=5M > > > > I did it and log is in attachment. > Thanks, but looks like your kernel didn't enable CONFIG_ACPI_DEBUG=y So, doesn't show up any acpi debug log in messages. > > And, > > Did you try the following kernel parameter? > > acpi_backlight=vendor > > Sure, but after applying it, backlight control keys doesn't work > anymore, there is also no any message in the log. > Does it work set backlight level by sysfs? echo 9 > /sys/class/backlight/acpi_video0/brightness > I've also checked command: watch -n 1 cat > /sys/firmware/acpi/interrupts/gpe[012][0123456789ABCDEF] > but nothing changed too. > > Regards > Artur I think don't neet test gpe anymore, because we already know function key emit scancode. Thanks a lot! Joey Lee -- 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