On Donnerstag, 6. August 2009, Corentin Chary wrote: > On Thu, Aug 6, 2009 at 12:48 PM, Danny Kukawka<danny.kukawka@xxxxxx> wrote: [...] > > Can you please provide a "grep . */*" from /sys/class/leds/ with the > > affected device? If I read the kernel doc for leds (which this device > > is), we don't need a num_levels for it: > > > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f > >=Documentation/leds-class.txt;h=6399557cdab3d6542a0feea0c0cd2c6b2af5ffad;h > >b=HEAD > > > > "... The brightness file will set the brightness of the LED (taking a > > value 0-255). Most LEDs don't have hardware brightness support so will > > just be turned on for non-zero brightness settings. ..." > > The documentation is probably out of date, the led class provide > a max_brightness file. 255 is the default value, but it can be overridden. > > See: > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=d >rivers/leds/led-class.c;h=f2cc13d76810f457c752d6f92f53759980f465ea;hb=HEAD#l >76 > > leds-dac124s085.c define it to 0xFFF for example. > And asus-laptop will soon use 3 as max_brightness for asus::kbd_backlight. > > But still, it seems that examples/light_sensors_and_keyboard_backlight.py > and others are using something that is not defined in hal-spec-properties. Thanks for the information. Please check out my latest commits: http://cgit.freedesktop.org/~dkukawka/hal/log/ I hope this finally solve the problem. Danny -- 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