Issues configuring backlight drivers and initializing PWM output from kernel and user space.

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Issues configuring backlight drivers and initializing PWM output from kernel and user space.

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kevinmahlie
Contributor I

I am having major issues configuring my lcd backlight PWM for the correct configuration. I am using an NXP iMX6 Quad. I have verified that the device tree is correctly configured but I can not even get the PWM to output from the user space control in the terminal window. Also, when I navigate to the back light directory.. cd /sys/class/backlight .....

Has anyone had a similar issues to this or be able to provide any help?

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art
NXP Employee
NXP Employee

Please refer to the Chapter 47 of the attached document for the information on how to configure and use the PWM and Backlight driver.


Have a great day,
Artur

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