lux               207 dev/i2c/tsl2560.c 	int64_t lux;
lux               230 dev/i2c/tsl2560.c 	lux = b * chan0 - m * chan1;
lux               231 dev/i2c/tsl2560.c 	if (lux < 0)
lux               232 dev/i2c/tsl2560.c 		lux = 0;
lux               233 dev/i2c/tsl2560.c 	return ((lux * 1000000) >> TSL2560_LUX_SCALE);