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

[yaolinchang]

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

[igorpadykov]

Hi YaoLin

birghtness support is explained in

iMX6Q display adjustment

as for backlight, it is provided by driver pwm-backlight

Re: i.mx6 pwm-backlight

Best regards

igor

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