[PATCH] fix Dell backlight addon

[Danny Kukawka]

Hi,

currently the hald-addon-dell-backlight is running also if the needed dcdbas 
kernel module is not loaded. In this case it provide the brightness interface 
with only one brightness level, which is useless.

I would propose the addon should simply exit if the kernel module is missing 
to prevent to have a useless interface for brightness.

See attached patch.

Danny

 addon-dell-backlight.cpp |    5 +++++
 1 file changed, 5 insertions(+)
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