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[iMX6]How can we set LCD brightness in mxcfb_ioctl()

Question asked by YaoLin Chang on Jul 15, 2015
Latest reply on Jul 20, 2015 by igorpadykov

Hi All,

     We have to add ioctl about brightness setting in mxcfb_ioctl().

However, we can't get "struct backlight_device" to call

backlight_update_status(struct backlight_device).

How can we do?

 

 

 

Thanks

Best Regards,

Yao

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