find_pwmchip

find_pwmchip(target_device='1f00098000.pwm') → str

Finds the PWM chip path for a given target device.

Parameters:

target_device (str) – The target device name to look for. Defaults to “1f00098000.pwm”.

Returns:

The path to the PWM chip or raises RuntimeError if not found.

Return type:

str

Raises:

RuntimeError – If no valid PWM chip is found.