LP3971_BUCK_VOL_CHANGE_REG 221 drivers/regulator/lp3971.c ret = lp3971_set_bits(lp3971, LP3971_BUCK_VOL_CHANGE_REG, LP3971_BUCK_VOL_CHANGE_REG 227 drivers/regulator/lp3971.c return lp3971_set_bits(lp3971, LP3971_BUCK_VOL_CHANGE_REG,