bdtr 497 drivers/pwm/pwm-stm32.c u32 bdtr = bke; bdtr 504 drivers/pwm/pwm-stm32.c bdtr |= TIM_BDTR_BKP | TIM_BDTR_BK2P; bdtr 506 drivers/pwm/pwm-stm32.c bdtr |= (filter & TIM_BDTR_BKF_MASK) << shift; bdtr 508 drivers/pwm/pwm-stm32.c regmap_update_bits(priv->regmap, TIM_BDTR, mask, bdtr); bdtr 510 drivers/pwm/pwm-stm32.c regmap_read(priv->regmap, TIM_BDTR, &bdtr); bdtr 512 drivers/pwm/pwm-stm32.c return (bdtr & bke) ? 0 : -EINVAL;