Pull backlight changes from Lee Jones:
 - core: call put_device() instead of kfree()
 - gpio-backlight: add DT support
 - lm3639_bl driver: use managed resources

* tag 'backlight-for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: lm3639: Use devm_backlight_device_register()
  backlight: gpio-backlight: Add DT support
  backlight: core: Replace kfree with put_device