TIM_BDTR_BK2E 493 drivers/pwm/pwm-stm32.c u32 bke = (index == 0) ? TIM_BDTR_BKE : TIM_BDTR_BK2E; TIM_BDTR_BK2E 496 drivers/pwm/pwm-stm32.c : TIM_BDTR_BK2E | TIM_BDTR_BK2P | TIM_BDTR_BK2F;