https://bugzilla.kernel.org/show_bug.cgi?id=15532





--- Comment #27 from Zhang Rui <[email protected]>  2010-03-24 09:11:44 ---
(In reply to comment #25)
> Ok ... I will do that during lunch break ... 
> 
> One note ... I found a quite logical difference in behavior between HP Mini
> 5102 and my second Lenovo R61 laptop where the brightness works according to 
> my
> expectations ... 
> 
> Lenovo R61>
> If I set the maximum brightness in GRUB, then boot into Linux, cat
> /sys/class/backlight/acpi_video0/brightness gives me the same value like
> /sys/class/backlight/acpi_video0/max_brightness.
> If I set the minimum brightness in GRUB, then boot into Linux, cat
> /sys/class/backlight/acpi_video0/brightness gives 0.
> 
does the brightness is at low level as well?

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