U-Boot PWM Test For Brightness

[anshulkhare]

Hi,

I have an iMX6UL board,
i am doing U-Boot PWM Test for Changing the brightness on LCD Display,
is there any command to perform the test in U-Boot .

Thank you :smileyhappy:

[igorpadykov]

Hi Anshul

usually pwm is used in uboot for lcd brightness, seems

one can add special pwm commands using pwm driver in

drivers/pwm/pwm-imx.c. Pwm examples can be found in Github SDK
https://github.com/backenklee/swp-report/tree/master/iMX6_Platform_SDK

Best regards
igor
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[anshulkhare]

Hi igor,

Thanks for Your Reply,

i am not getting which special command i need to enable in driver,

can u please help me on this.

Best regards
Anshul