| /drivers/iio/light/ |
| D | cm3232.c | 208 u64 lux; in cm3232_get_lux() local
215 lux = (__force u64)als_info->mlux_per_bit; in cm3232_get_lux()
216 lux *= als_info->mlux_per_bit_base_it; in cm3232_get_lux()
217 lux = div_u64(lux, als_it); in cm3232_get_lux()
226 lux *= chip->regs_als; in cm3232_get_lux()
227 lux *= als_info->calibscale; in cm3232_get_lux()
228 lux = div_u64(lux, CM3232_CALIBSCALE_RESOLUTION); in cm3232_get_lux()
229 lux = div_u64(lux, CM3232_MLUX_PER_LUX); in cm3232_get_lux()
231 if (lux > 0xFFFF) in cm3232_get_lux()
232 lux = 0xFFFF; in cm3232_get_lux()
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| D | cm32181.c | 181 unsigned long lux; in cm32181_get_lux() local
187 lux = CM32181_MLUX_PER_BIT; in cm32181_get_lux()
188 lux *= CM32181_MLUX_PER_BIT_BASE_IT; in cm32181_get_lux()
189 lux /= als_it; in cm32181_get_lux()
195 lux *= ret; in cm32181_get_lux()
196 lux *= cm32181->calibscale; in cm32181_get_lux()
197 lux /= CM32181_CALIBSCALE_RESOLUTION; in cm32181_get_lux()
198 lux /= MLUX_PER_LUX; in cm32181_get_lux()
200 if (lux > 0xFFFF) in cm32181_get_lux()
201 lux = 0xFFFF; in cm32181_get_lux()
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| D | apds9300.c | 70 unsigned long lux, tmp; in apds9300_calculate_lux() local
78 lux = 3150 * ch0 - (unsigned long)DIV_ROUND_UP_ULL(ch0 in apds9300_calculate_lux()
81 lux = 2290 * ch0 - 2910 * ch1; in apds9300_calculate_lux()
83 lux = 1570 * ch0 - 1800 * ch1; in apds9300_calculate_lux()
85 lux = 338 * ch0 - 260 * ch1; in apds9300_calculate_lux()
87 lux = 0; in apds9300_calculate_lux()
90 return lux / 100000; in apds9300_calculate_lux()
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| D | opt3001.c | 172 int lux; in opt3001_to_iio_ret() local
174 lux = 10 * (mantissa << exponent); in opt3001_to_iio_ret()
175 *val = lux / 1000; in opt3001_to_iio_ret()
176 *val2 = (lux - (*val * 1000)) * 1000; in opt3001_to_iio_ret()
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| D | ltr501.c | 310 unsigned long ratio, lux; in ltr501_calculate_lux() local
319 lux = LTR501_LUX_CONV(1774, vis_data, -1105, ir_data); in ltr501_calculate_lux()
321 lux = LTR501_LUX_CONV(3772, vis_data, 1336, ir_data); in ltr501_calculate_lux()
323 lux = LTR501_LUX_CONV(1690, vis_data, 169, ir_data); in ltr501_calculate_lux()
325 lux = 0; in ltr501_calculate_lux()
327 return lux / 1000; in ltr501_calculate_lux()
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| D | tsl2563.c | 432 unsigned long ratio, lux, ch0 = adc0, ch1 = adc1; in tsl2563_adc_to_lux() local
439 lux = ch0 * lp->ch0_coeff - ch1 * lp->ch1_coeff; in tsl2563_adc_to_lux()
441 return (unsigned int) (lux >> ADC_FRAC_BITS); in tsl2563_adc_to_lux()
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| D | Kconfig | 298 of ambient light sensors with direct lux output.
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| /drivers/staging/iio/light/ |
| D | tsl2583.c | 78 u16 lux; member
197 u32 lux; /* raw lux calculated from device data */ in taos_get_lux() local
209 return chip->als_cur_info.lux; /* busy, so return LAST VALUE */ in taos_get_lux()
227 ret = chip->als_cur_info.lux; /* return LAST VALUE */ in taos_get_lux()
268 ret = chip->als_cur_info.lux = 0; in taos_get_lux()
279 lux = 0; in taos_get_lux()
287 lux = ch0lux - ch1lux; in taos_get_lux()
293 ret = chip->als_cur_info.lux = 0; in taos_get_lux()
299 lux = 0; in taos_get_lux()
301 lux = (lux + (chip->als_time_scale >> 1)) / in taos_get_lux()
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| D | tsl2x7x_core.c | 158 u16 lux; member
336 u32 lux; /* raw lux calculated from device data */ in tsl2x7x_get_lux() local
347 return chip->als_cur_info.lux; /* busy, so return LAST VALUE */ in tsl2x7x_get_lux()
368 ret = chip->als_cur_info.lux; /* return LAST VALUE */ in tsl2x7x_get_lux()
402 lux = TSL2X7X_LUX_CALC_OVER_FLOW; in tsl2x7x_get_lux()
408 ret = chip->als_cur_info.lux; in tsl2x7x_get_lux()
419 lux = 0; in tsl2x7x_get_lux()
425 lux = ch0lux - ch1lux; in tsl2x7x_get_lux()
431 ret = chip->als_cur_info.lux; in tsl2x7x_get_lux()
437 lux = 0; in tsl2x7x_get_lux()
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| D | Kconfig | 15 in lux, proximity infrared sensing and normal infrared sensing.
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| D | isl29018.c | 211 static int isl29018_read_lux(struct isl29018_chip *chip, int *lux) in isl29018_read_lux() argument
223 *lux = data_x_range * chip->calibscale + in isl29018_read_lux()
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| /drivers/staging/iio/Documentation/ |
| D | sysfs-bus-iio-light-tsl2583 | 6 used in calculating illuminance in lux.
13 value which is later used in calculating illuminance in lux.
19 This property is the known externally illuminance (in lux).
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| D | sysfs-bus-iio-light | 7 light sensors in calculating lux.
20 used in calculating the lux.
33 This should return the calculated lux from the light sensor. If
71 lux measurement used in/for calibration.
84 used in calculating illuminance in lux.
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| /drivers/misc/ |
| D | tsl2550.c | 158 unsigned int lux; in tsl2550_calculate_lux() local
176 lux = ((c0 - c1) * ratio_lut[r]) / 256; in tsl2550_calculate_lux()
178 lux = 0; in tsl2550_calculate_lux()
183 return lux > TSL2550_MAX_LUX ? TSL2550_MAX_LUX : lux; in tsl2550_calculate_lux()
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| D | isl29020.c | 54 unsigned long int lux; in als_lux_input_data_show() local
81 lux = ((((1 << (2 * (val & 3))))*1000) * ret_val) / 65536; in als_lux_input_data_show()
82 return sprintf(buf, "%ld\n", lux); in als_lux_input_data_show()
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| D | apds990x.c | 152 u32 lux; member
263 static u16 apds990x_lux_to_threshold(struct apds990x_chip *chip, u32 lux) in apds990x_lux_to_threshold() argument
269 if (lux == 0) in apds990x_lux_to_threshold()
271 else if (lux == APDS_RANGE) in apds990x_lux_to_threshold()
289 lux = lux * (APDS_CALIB_SCALER / 4) / (chip->lux_calib / 4); in apds990x_lux_to_threshold()
295 thres = lux * cpl / 64; in apds990x_lux_to_threshold()
513 chip->lux = chip->lux_raw; in apds990x_irq()
655 result = (chip->lux * chip->lux_calib) / APDS_CALIB_SCALER; in apds990x_lux_show()
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| D | bh1770glc.c | 197 int lux) in bh1770_lux_interrupt_control() argument
199 chip->int_mode_lux = lux; in bh1770_lux_interrupt_control()
203 (lux << 1) | chip->int_mode_prox); in bh1770_lux_interrupt_control()
305 u32 lux; in bh1770_lux_raw_to_adjusted() local
306 lux = ((u32)raw * chip->lux_corr) / BH1770_LUX_CORR_SCALE; in bh1770_lux_raw_to_adjusted()
307 return min(lux, (u32)BH1770_LUX_RANGE); in bh1770_lux_raw_to_adjusted()
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| D | bh1780gli.c | 133 static DEVICE_ATTR(lux, S_IRUGO, bh1780_show_lux, NULL);
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| D | isl29003.c | 340 static DEVICE_ATTR(lux, S_IRUGO, isl29003_show_lux, NULL);
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| /drivers/staging/iio/Documentation/light/ |
| D | sysfs-bus-iio-light-tsl2583 | 6 value which is later used in calculating illuminance in lux.
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| D | sysfs-bus-iio-light-tsl2x7x | 6 value which is later used in calculating illuminance in lux.
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