SOFIA_BACKLIGHT_REG 117 arch/arm/mach-omap1/board-sx1.c return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, SOFIA_BACKLIGHT_REG 123 arch/arm/mach-omap1/board-sx1.c return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,