Hi!

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-     err = ht16k33_brightness_set(priv, MAX_BRIGHTNESS);
+     of_property_read_u32(node, "color", &color);
+     seg->led.name = devm_kasprintf(dev, GFP_KERNEL,
+                     DRIVER_NAME ":%s:" LED_FUNCTION_BACKLIGHT,
+                     color < LED_COLOR_ID_MAX ? led_colors[color] : "");

And would prefer not to see driver_name as part of LED name.

OK. So what should I use instead? Or just leave the part before the
first colon empty?

I'd suggest auxdisplay:...:backlight.

And we should start documenting this somewhere.

Best regards,
									Pavel
-- 
http://www.livejournal.com/~pavelmachek