i2c_smbus_pec 55 drivers/i2c/i2c-core-smbus.c pec = i2c_smbus_pec(pec, &addr, 1); i2c_smbus_pec 58 drivers/i2c/i2c-core-smbus.c return i2c_smbus_pec(pec, msg->buf, msg->len);