CODEWITHSUNDEEP
armembedded-linux
Pala
Pala

Reputation: 2181

How to access PWM back light driver?

I am using iMX6Q SD board. And I have to access the back light driver to control back lite contrast. How can I access from User space or Kernel space? (Back light PWM driver path is drivers/video/backlight/pwm_bl.c). Thanks in advance.

Upvotes: 4

Views: 1928

Answers (1)

rk 1
rk 1

Reputation: 36

sysfs is the interface for the misc drivers.

Upvotes: 1

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