TSL2550_POWER_UP 71 drivers/misc/tsl2550.c ret = i2c_smbus_write_byte(client, TSL2550_POWER_UP); TSL2550_POWER_UP 315 drivers/misc/tsl2550.c err = i2c_smbus_read_byte_data(client, TSL2550_POWER_UP); TSL2550_POWER_UP 318 drivers/misc/tsl2550.c if (err != TSL2550_POWER_UP)