So I managed to resolve the problem. I had to tweak the kernel leds.h
header file for this specific device.
$KERNEL/include/linux/leds.h
enum led_brightness {
LED_OFF = 0,
LED_HALF = 2047,
LED_FULL = 4095,
};
Thereafter, compiling, copying the newly-generated zImage as kernel into
the proper dirs and we are good again.
Hope this helps anyone lost on the same issue.
On Monday, February 16, 2015 at 3:30:15 PM UTC-2, Leonardo Aramaki wrote:
>
> Hello, I'm working on my own z1 (c6943) porting and all is working except
> for the brightness.
> The brightness is supposed to range from 0..4095 as far as I know, but
> it's being set to max_brightness 255.
>
> I tried tweaking thermanager.xml and init.rhine.rc (rhine board) with no
> avail. Seems like I'm unable to write to
> /sys/class/leds/wled:backlight/max_brightness. I can chown, chmod it, but
> can't echo to it, nor by means of the init*.rc files. I could even echo to
> max_current, changing from 20 to 25.
>
> I tried to swap kernel but there is going to deep.
> Any help on this?
>
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