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Date: Fri, 29 Sep 2017 21:09:19 -0400
From: Brian Masney <masneyb@...tation.org>
To: jic23@...nel.org, linux-iio@...r.kernel.org
Cc: gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
linux-kernel@...r.kernel.org, Jon.Brenner@....com
Subject: [PATCH 1/3] staging: iio: tsl2x7x: rename tsl2x7x_settings variable to settings
The length of the 'tsl2x7x_settings' variable within the tsl2X7X_chip
structure makes some of the line lengths greater than 80 characters for
upcoming patches. This patch shortens the name of the 'tsl2x7x_settings'
variable in this structure to just 'settings' to improve code
readability.
Signed-off-by: Brian Masney <masneyb@...tation.org>
---
drivers/staging/iio/light/tsl2x7x.c | 183 +++++++++++++++++-------------------
1 file changed, 85 insertions(+), 98 deletions(-)
diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c
index d9defc8ece83..e340ea624e5c 100644
--- a/drivers/staging/iio/light/tsl2x7x.c
+++ b/drivers/staging/iio/light/tsl2x7x.c
@@ -174,7 +174,7 @@ struct tsl2X7X_chip {
struct i2c_client *client;
u16 prox_data;
struct tsl2x7x_als_info als_cur_info;
- struct tsl2x7x_settings tsl2x7x_settings;
+ struct tsl2x7x_settings settings;
struct tsl2X7X_platform_data *pdata;
int als_time_scale;
int als_saturation;
@@ -390,9 +390,9 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
lux = 0;
} else {
ch0lux = DIV_ROUND_UP(ch0 * p->ch0,
- tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]);
+ tsl2X7X_als_gainadj[chip->settings.als_gain]);
ch1lux = DIV_ROUND_UP(ch1 * p->ch1,
- tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]);
+ tsl2X7X_als_gainadj[chip->settings.als_gain]);
lux = ch0lux - ch1lux;
}
@@ -419,7 +419,7 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
*/
lux64 = lux;
- lux64 = lux64 * chip->tsl2x7x_settings.als_gain_trim;
+ lux64 = lux64 * chip->settings.als_gain_trim;
lux64 >>= 8;
lux = lux64;
lux = (lux + 500) / 1000;
@@ -514,12 +514,10 @@ static void tsl2x7x_defaults(struct tsl2X7X_chip *chip)
{
/* If Operational settings defined elsewhere.. */
if (chip->pdata && chip->pdata->platform_default_settings)
- memcpy(&chip->tsl2x7x_settings,
- chip->pdata->platform_default_settings,
+ memcpy(&chip->settings, chip->pdata->platform_default_settings,
sizeof(tsl2x7x_default_settings));
else
- memcpy(&chip->tsl2x7x_settings,
- &tsl2x7x_default_settings,
+ memcpy(&chip->settings, &tsl2x7x_default_settings,
sizeof(tsl2x7x_default_settings));
/* Load up the proper lux table. */
@@ -542,9 +540,7 @@ static void tsl2x7x_defaults(struct tsl2X7X_chip *chip)
static int tsl2x7x_als_calibrate(struct iio_dev *indio_dev)
{
struct tsl2X7X_chip *chip = iio_priv(indio_dev);
- int gain_trim_val;
- int ret;
- int lux_val;
+ int ret, lux_val;
ret = i2c_smbus_read_byte_data(chip->client,
TSL2X7X_CMD_REG | TSL2X7X_CNTRL);
@@ -575,16 +571,16 @@ static int tsl2x7x_als_calibrate(struct iio_dev *indio_dev)
return lux_val;
}
- gain_trim_val = ((chip->tsl2x7x_settings.als_cal_target)
- * chip->tsl2x7x_settings.als_gain_trim) / lux_val;
- if ((gain_trim_val < 250) || (gain_trim_val > 4000))
+ ret = (chip->settings.als_cal_target * chip->settings.als_gain_trim) /
+ lux_val;
+ if (ret < 250 || ret > 4000)
return -ERANGE;
- chip->tsl2x7x_settings.als_gain_trim = gain_trim_val;
+ chip->settings.als_gain_trim = ret;
dev_info(&chip->client->dev,
"%s als_calibrate completed\n", chip->client->name);
- return (int)gain_trim_val;
+ return ret;
}
static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
@@ -602,34 +598,30 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
chip->pdata->power_on(indio_dev);
/* Non calculated parameters */
- chip->tsl2x7x_config[TSL2X7X_PRX_TIME] =
- chip->tsl2x7x_settings.prx_time;
- chip->tsl2x7x_config[TSL2X7X_WAIT_TIME] =
- chip->tsl2x7x_settings.wait_time;
- chip->tsl2x7x_config[TSL2X7X_PRX_CONFIG] =
- chip->tsl2x7x_settings.prox_config;
+ chip->tsl2x7x_config[TSL2X7X_PRX_TIME] = chip->settings.prx_time;
+ chip->tsl2x7x_config[TSL2X7X_WAIT_TIME] = chip->settings.wait_time;
+ chip->tsl2x7x_config[TSL2X7X_PRX_CONFIG] = chip->settings.prox_config;
chip->tsl2x7x_config[TSL2X7X_ALS_MINTHRESHLO] =
- (chip->tsl2x7x_settings.als_thresh_low) & 0xFF;
+ (chip->settings.als_thresh_low) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_ALS_MINTHRESHHI] =
- (chip->tsl2x7x_settings.als_thresh_low >> 8) & 0xFF;
+ (chip->settings.als_thresh_low >> 8) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_ALS_MAXTHRESHLO] =
- (chip->tsl2x7x_settings.als_thresh_high) & 0xFF;
+ (chip->settings.als_thresh_high) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_ALS_MAXTHRESHHI] =
- (chip->tsl2x7x_settings.als_thresh_high >> 8) & 0xFF;
- chip->tsl2x7x_config[TSL2X7X_PERSISTENCE] =
- chip->tsl2x7x_settings.persistence;
+ (chip->settings.als_thresh_high >> 8) & 0xFF;
+ chip->tsl2x7x_config[TSL2X7X_PERSISTENCE] = chip->settings.persistence;
chip->tsl2x7x_config[TSL2X7X_PRX_COUNT] =
- chip->tsl2x7x_settings.prox_pulse_count;
+ chip->settings.prox_pulse_count;
chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHLO] =
- (chip->tsl2x7x_settings.prox_thres_low) & 0xFF;
+ (chip->settings.prox_thres_low) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHHI] =
- (chip->tsl2x7x_settings.prox_thres_low >> 8) & 0xFF;
+ (chip->settings.prox_thres_low >> 8) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHLO] =
- (chip->tsl2x7x_settings.prox_thres_high) & 0xFF;
+ (chip->settings.prox_thres_high) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHHI] =
- (chip->tsl2x7x_settings.prox_thres_high >> 8) & 0xFF;
+ (chip->settings.prox_thres_high >> 8) & 0xFF;
/* and make sure we're not already on */
if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) {
@@ -639,7 +631,7 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
}
/* determine als integration register */
- als_count = (chip->tsl2x7x_settings.als_time * 100 + 135) / 270;
+ als_count = (chip->settings.als_time * 100 + 135) / 270;
if (!als_count)
als_count = 1; /* ensure at least one cycle */
@@ -649,9 +641,9 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
/* Set the gain based on tsl2x7x_settings struct */
chip->tsl2x7x_config[TSL2X7X_GAIN] =
- chip->tsl2x7x_settings.als_gain |
- (TSL2X7X_mA100 | TSL2X7X_DIODE1)
- | ((chip->tsl2x7x_settings.prox_gain) << 2);
+ chip->settings.als_gain |
+ (TSL2X7X_mA100 | TSL2X7X_DIODE1) |
+ (chip->settings.prox_gain << 2);
/* set chip struct re scaling and saturation */
chip->als_saturation = als_count * 922; /* 90% of full scale */
@@ -706,15 +698,15 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
chip->tsl2x7x_chip_status = TSL2X7X_CHIP_WORKING;
- if (chip->tsl2x7x_settings.interrupts_en != 0) {
+ if (chip->settings.interrupts_en != 0) {
dev_info(&chip->client->dev, "Setting Up Interrupt(s)\n");
reg_val = TSL2X7X_CNTL_PWR_ON | TSL2X7X_CNTL_ADC_ENBL;
- if ((chip->tsl2x7x_settings.interrupts_en == 0x20) ||
- (chip->tsl2x7x_settings.interrupts_en == 0x30))
+ if ((chip->settings.interrupts_en == 0x20) ||
+ (chip->settings.interrupts_en == 0x30))
reg_val |= TSL2X7X_CNTL_PROX_DET_ENBL;
- reg_val |= chip->tsl2x7x_settings.interrupts_en;
+ reg_val |= chip->settings.interrupts_en;
ret = i2c_smbus_write_byte_data(chip->client,
(TSL2X7X_CMD_REG |
TSL2X7X_CNTRL), reg_val);
@@ -837,25 +829,25 @@ static void tsl2x7x_prox_cal(struct iio_dev *indio_dev)
u8 tmp_irq_settings;
u8 current_state = chip->tsl2x7x_chip_status;
- if (chip->tsl2x7x_settings.prox_max_samples_cal > MAX_SAMPLES_CAL) {
+ if (chip->settings.prox_max_samples_cal > MAX_SAMPLES_CAL) {
dev_err(&chip->client->dev,
"max prox samples cal is too big: %d\n",
- chip->tsl2x7x_settings.prox_max_samples_cal);
- chip->tsl2x7x_settings.prox_max_samples_cal = MAX_SAMPLES_CAL;
+ chip->settings.prox_max_samples_cal);
+ chip->settings.prox_max_samples_cal = MAX_SAMPLES_CAL;
}
/* have to stop to change settings */
tsl2x7x_chip_off(indio_dev);
/* Enable proximity detection save just in case prox not wanted yet*/
- tmp_irq_settings = chip->tsl2x7x_settings.interrupts_en;
- chip->tsl2x7x_settings.interrupts_en |= TSL2X7X_CNTL_PROX_INT_ENBL;
+ tmp_irq_settings = chip->settings.interrupts_en;
+ chip->settings.interrupts_en |= TSL2X7X_CNTL_PROX_INT_ENBL;
/*turn on device if not already on*/
tsl2x7x_chip_on(indio_dev);
/*gather the samples*/
- for (i = 0; i < chip->tsl2x7x_settings.prox_max_samples_cal; i++) {
+ for (i = 0; i < chip->settings.prox_max_samples_cal; i++) {
usleep_range(15000, 17500);
tsl2x7x_get_prox(indio_dev);
prox_history[i] = chip->prox_data;
@@ -866,18 +858,17 @@ static void tsl2x7x_prox_cal(struct iio_dev *indio_dev)
tsl2x7x_chip_off(indio_dev);
calP = &prox_stat_data[PROX_STAT_CAL];
tsl2x7x_prox_calculate(prox_history,
- chip->tsl2x7x_settings.prox_max_samples_cal,
- calP);
- chip->tsl2x7x_settings.prox_thres_high = (calP->max << 1) - calP->mean;
+ chip->settings.prox_max_samples_cal, calP);
+ chip->settings.prox_thres_high = (calP->max << 1) - calP->mean;
dev_info(&chip->client->dev, " cal min=%d mean=%d max=%d\n",
calP->min, calP->mean, calP->max);
dev_info(&chip->client->dev,
"%s proximity threshold set to %d\n",
- chip->client->name, chip->tsl2x7x_settings.prox_thres_high);
+ chip->client->name, chip->settings.prox_thres_high);
/* back to the way they were */
- chip->tsl2x7x_settings.interrupts_en = tmp_irq_settings;
+ chip->settings.interrupts_en = tmp_irq_settings;
if (current_state == TSL2X7X_CHIP_WORKING)
tsl2x7x_chip_on(indio_dev);
}
@@ -914,7 +905,7 @@ static ssize_t in_illuminance0_integration_time_show(struct device *dev,
struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev));
int y, z;
- y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.als_time) + 1;
+ y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.als_time) + 1;
z = y * TSL2X7X_MIN_ITIME;
y /= 1000;
z %= 1000;
@@ -936,11 +927,10 @@ static ssize_t in_illuminance0_integration_time_store(struct device *dev,
return ret;
result.fract /= 3;
- chip->tsl2x7x_settings.als_time =
- TSL2X7X_MAX_TIMER_CNT - (u8)result.fract;
+ chip->settings.als_time = TSL2X7X_MAX_TIMER_CNT - (u8)result.fract;
dev_info(&chip->client->dev, "%s: als time = %d",
- __func__, chip->tsl2x7x_settings.als_time);
+ __func__, chip->settings.als_time);
tsl2x7x_invoke_change(indio_dev);
@@ -956,8 +946,7 @@ static ssize_t in_illuminance0_target_input_show(struct device *dev,
{
struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev));
- return snprintf(buf, PAGE_SIZE, "%d\n",
- chip->tsl2x7x_settings.als_cal_target);
+ return snprintf(buf, PAGE_SIZE, "%d\n", chip->settings.als_cal_target);
}
static ssize_t in_illuminance0_target_input_store(struct device *dev,
@@ -973,7 +962,7 @@ static ssize_t in_illuminance0_target_input_store(struct device *dev,
return -EINVAL;
if (value)
- chip->tsl2x7x_settings.als_cal_target = value;
+ chip->settings.als_cal_target = value;
ret = tsl2x7x_invoke_change(indio_dev);
if (ret < 0)
@@ -991,9 +980,9 @@ static ssize_t in_intensity0_thresh_period_show(struct device *dev,
int y, z, filter_delay;
/* Determine integration time */
- y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.als_time) + 1;
+ y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.als_time) + 1;
z = y * TSL2X7X_MIN_ITIME;
- filter_delay = z * (chip->tsl2x7x_settings.persistence & 0x0F);
+ filter_delay = z * (chip->settings.persistence & 0x0F);
y = filter_delay / 1000;
z = filter_delay % 1000;
@@ -1014,14 +1003,14 @@ static ssize_t in_intensity0_thresh_period_store(struct device *dev,
if (ret)
return ret;
- y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.als_time) + 1;
+ y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.als_time) + 1;
z = y * TSL2X7X_MIN_ITIME;
filter_delay =
DIV_ROUND_UP((result.integer * 1000) + result.fract, z);
- chip->tsl2x7x_settings.persistence &= 0xF0;
- chip->tsl2x7x_settings.persistence |= (filter_delay & 0x0F);
+ chip->settings.persistence &= 0xF0;
+ chip->settings.persistence |= (filter_delay & 0x0F);
dev_info(&chip->client->dev, "%s: als persistence = %d",
__func__, filter_delay);
@@ -1041,9 +1030,9 @@ static ssize_t in_proximity0_thresh_period_show(struct device *dev,
int y, z, filter_delay;
/* Determine integration time */
- y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.prx_time) + 1;
+ y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.prx_time) + 1;
z = y * TSL2X7X_MIN_ITIME;
- filter_delay = z * ((chip->tsl2x7x_settings.persistence & 0xF0) >> 4);
+ filter_delay = z * ((chip->settings.persistence & 0xF0) >> 4);
y = filter_delay / 1000;
z = filter_delay % 1000;
@@ -1064,14 +1053,14 @@ static ssize_t in_proximity0_thresh_period_store(struct device *dev,
if (ret)
return ret;
- y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.prx_time) + 1;
+ y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.prx_time) + 1;
z = y * TSL2X7X_MIN_ITIME;
filter_delay =
DIV_ROUND_UP((result.integer * 1000) + result.fract, z);
- chip->tsl2x7x_settings.persistence &= 0x0F;
- chip->tsl2x7x_settings.persistence |= ((filter_delay << 4) & 0xF0);
+ chip->settings.persistence &= 0x0F;
+ chip->settings.persistence |= ((filter_delay << 4) & 0xF0);
dev_info(&chip->client->dev, "%s: prox persistence = %d",
__func__, filter_delay);
@@ -1205,9 +1194,9 @@ static int tsl2x7x_read_interrupt_config(struct iio_dev *indio_dev,
int ret;
if (chan->type == IIO_INTENSITY)
- ret = !!(chip->tsl2x7x_settings.interrupts_en & 0x10);
+ ret = !!(chip->settings.interrupts_en & 0x10);
else
- ret = !!(chip->tsl2x7x_settings.interrupts_en & 0x20);
+ ret = !!(chip->settings.interrupts_en & 0x20);
return ret;
}
@@ -1223,14 +1212,14 @@ static int tsl2x7x_write_interrupt_config(struct iio_dev *indio_dev,
if (chan->type == IIO_INTENSITY) {
if (val)
- chip->tsl2x7x_settings.interrupts_en |= 0x10;
+ chip->settings.interrupts_en |= 0x10;
else
- chip->tsl2x7x_settings.interrupts_en &= 0x20;
+ chip->settings.interrupts_en &= 0x20;
} else {
if (val)
- chip->tsl2x7x_settings.interrupts_en |= 0x20;
+ chip->settings.interrupts_en |= 0x20;
else
- chip->tsl2x7x_settings.interrupts_en &= 0x10;
+ chip->settings.interrupts_en &= 0x10;
}
ret = tsl2x7x_invoke_change(indio_dev);
@@ -1255,11 +1244,11 @@ static int tsl2x7x_write_event_value(struct iio_dev *indio_dev,
if (chan->type == IIO_INTENSITY) {
switch (dir) {
case IIO_EV_DIR_RISING:
- chip->tsl2x7x_settings.als_thresh_high = val;
+ chip->settings.als_thresh_high = val;
ret = 0;
break;
case IIO_EV_DIR_FALLING:
- chip->tsl2x7x_settings.als_thresh_low = val;
+ chip->settings.als_thresh_low = val;
ret = 0;
break;
default:
@@ -1268,11 +1257,11 @@ static int tsl2x7x_write_event_value(struct iio_dev *indio_dev,
} else {
switch (dir) {
case IIO_EV_DIR_RISING:
- chip->tsl2x7x_settings.prox_thres_high = val;
+ chip->settings.prox_thres_high = val;
ret = 0;
break;
case IIO_EV_DIR_FALLING:
- chip->tsl2x7x_settings.prox_thres_low = val;
+ chip->settings.prox_thres_low = val;
ret = 0;
break;
default:
@@ -1305,11 +1294,11 @@ static int tsl2x7x_read_event_value(struct iio_dev *indio_dev,
if (chan->type == IIO_INTENSITY) {
switch (dir) {
case IIO_EV_DIR_RISING:
- *val = chip->tsl2x7x_settings.als_thresh_high;
+ *val = chip->settings.als_thresh_high;
ret = IIO_VAL_INT;
break;
case IIO_EV_DIR_FALLING:
- *val = chip->tsl2x7x_settings.als_thresh_low;
+ *val = chip->settings.als_thresh_low;
ret = IIO_VAL_INT;
break;
default:
@@ -1318,11 +1307,11 @@ static int tsl2x7x_read_event_value(struct iio_dev *indio_dev,
} else {
switch (dir) {
case IIO_EV_DIR_RISING:
- *val = chip->tsl2x7x_settings.prox_thres_high;
+ *val = chip->settings.prox_thres_high;
ret = IIO_VAL_INT;
break;
case IIO_EV_DIR_FALLING:
- *val = chip->tsl2x7x_settings.prox_thres_low;
+ *val = chip->settings.prox_thres_low;
ret = IIO_VAL_INT;
break;
default:
@@ -1379,15 +1368,13 @@ static int tsl2x7x_read_raw(struct iio_dev *indio_dev,
break;
case IIO_CHAN_INFO_CALIBSCALE:
if (chan->type == IIO_LIGHT)
- *val =
- tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain];
+ *val = tsl2X7X_als_gainadj[chip->settings.als_gain];
else
- *val =
- tsl2X7X_prx_gainadj[chip->tsl2x7x_settings.prox_gain];
+ *val = tsl2X7X_prx_gainadj[chip->settings.prox_gain];
ret = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_CALIBBIAS:
- *val = chip->tsl2x7x_settings.als_gain_trim;
+ *val = chip->settings.als_gain_trim;
ret = IIO_VAL_INT;
break;
@@ -1411,13 +1398,13 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev,
if (chan->type == IIO_INTENSITY) {
switch (val) {
case 1:
- chip->tsl2x7x_settings.als_gain = 0;
+ chip->settings.als_gain = 0;
break;
case 8:
- chip->tsl2x7x_settings.als_gain = 1;
+ chip->settings.als_gain = 1;
break;
case 16:
- chip->tsl2x7x_settings.als_gain = 2;
+ chip->settings.als_gain = 2;
break;
case 120:
switch (chip->id) {
@@ -1428,7 +1415,7 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev,
case tmd2772:
return -EINVAL;
}
- chip->tsl2x7x_settings.als_gain = 3;
+ chip->settings.als_gain = 3;
break;
case 128:
switch (chip->id) {
@@ -1439,7 +1426,7 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev,
case tmd2771:
return -EINVAL;
}
- chip->tsl2x7x_settings.als_gain = 3;
+ chip->settings.als_gain = 3;
break;
default:
return -EINVAL;
@@ -1447,16 +1434,16 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev,
} else {
switch (val) {
case 1:
- chip->tsl2x7x_settings.prox_gain = 0;
+ chip->settings.prox_gain = 0;
break;
case 2:
- chip->tsl2x7x_settings.prox_gain = 1;
+ chip->settings.prox_gain = 1;
break;
case 4:
- chip->tsl2x7x_settings.prox_gain = 2;
+ chip->settings.prox_gain = 2;
break;
case 8:
- chip->tsl2x7x_settings.prox_gain = 3;
+ chip->settings.prox_gain = 3;
break;
default:
return -EINVAL;
@@ -1464,7 +1451,7 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev,
}
break;
case IIO_CHAN_INFO_CALIBBIAS:
- chip->tsl2x7x_settings.als_gain_trim = val;
+ chip->settings.als_gain_trim = val;
break;
default:
--
2.13.5
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