PWM_TYPE_CONFIG
reg = qcpwm_read(sc, PWM_CHAN_OFF(chan) + PWM_TYPE_CONFIG);
qcpwm_write(sc, PWM_CHAN_OFF(chan) + PWM_TYPE_CONFIG, reg);
reg = qcpwm_read(sc, PWM_CHAN_OFF(chan) + PWM_TYPE_CONFIG);
qcpwm_write(sc, PWM_CHAN_OFF(chan) + PWM_TYPE_CONFIG, reg);