| /linux-4.1.27/Documentation/misc-devices/ |
| D | isl29003 | 17 ADC, I2C user programmable lux range select for optimized counts/lux, and
22 The driver allows to set the lux range, the bit resolution, the operational
23 mode (see below) and the power state of device and can read the current lux
40 0: 0 lux to 1000 lux (default)
41 1: 0 lux to 4000 lux
42 2: 0 lux to 16,000 lux
43 3: 0 lux to 64,000 lux
60 lux (read only):
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| D | apds990x.txt | 26 only lux values. Lux value is calculated using information from the both
27 channels. HW threshold level is calculated from the given lux value to match
56 RO - measured lux value
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| D | bh1770glc.txt | 21 ALS produces 16 bit lux values. The chip contains interrupt logic to produce
42 so that measurement produces about the expected lux value.
56 RO - measured lux value
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| /linux-4.1.27/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()
[all …]
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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()
[all …]
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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 | tsl2563.c | 432 unsigned long ratio, lux, ch0 = adc0, ch1 = adc1; in adc_to_lux() local
439 lux = ch0 * lp->ch0_coeff - ch1 * lp->ch1_coeff; in adc_to_lux()
441 return (unsigned int) (lux >> ADC_FRAC_BITS); in adc_to_lux()
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| D | Kconfig | 216 of ambient light sensors with direct lux output.
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| /linux-4.1.27/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()
[all …]
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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()
[all …]
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| D | Kconfig | 15 in lux, proximity infrared sensing and normal infrared sensing.
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| D | isl29018.c | 156 static int isl29018_read_lux(struct isl29018_chip *chip, int *lux) in isl29018_read_lux() argument
174 *lux = lux_unshifted >> chip->adc_bit; in isl29018_read_lux()
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| /linux-4.1.27/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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| /linux-4.1.27/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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| /linux-4.1.27/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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| /linux-4.1.27/Documentation/ABI/testing/ |
| D | sysfs-bus-iio | 1182 and offset are lux.
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