NUM_PWM
u8 pwm_ctrl[NUM_PWM]; /* Register value */
u8 pwm_duty[NUM_PWM]; /* Manual PWM value set by user */
u8 pwm_temp_map[NUM_PWM];/* PWM to temp. chan. mapping (bits 1-0) */
for (i = 0; i < NUM_PWM; i++) {
chip = devm_pwmchip_alloc(&pdev->dev, NUM_PWM, sizeof(*pc));