CHIP_ID_REG 762 drivers/hwmon/nct7904.c i2c_smbus_read_byte_data(client, CHIP_ID_REG) != NCT7904_ID || CHIP_ID_REG 194 drivers/media/usb/dvb-usb-v2/mxl111sf.c ret = mxl111sf_read_reg(state, CHIP_ID_REG, &id);