Use sudo sh -c “echo 200 > /sys/devices/pwm-fan/target_pwm” to modify the duty cycle, how to fix the period of fan_pwm?

hello caowenwu1,

please refer to /sys/devices/pwm-fan/pwm_rpm_table for the look-up-table,
then, you may overwrite target_pwm to update the PWM values. thanks

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