static int isl29028_als_get(struct isl29028_chip *chip, int *als_data)
{
struct device *dev = regmap_get_device(chip->regmap);
int ret;
int als_ir_data;
if (chip->als_ir_mode != MODE_ALS) {
ret = isl29028_set_als_ir_mode(chip, MODE_ALS);
if (ret < 0) {
dev_err(dev,
"Error in enabling ALS mode err %d\n", ret);
return ret;
}
chip->als_ir_mode = MODE_ALS;
}
ret = isl29028_read_als_ir(chip, &als_ir_data);
if (ret < 0)
return ret;
/*
* convert als data count to lux.
* if lux_scale = 125, lux = count * 0.031
* if lux_scale = 2000, lux = count * 0.49
*/
if (chip->lux_scale == 125)
als_ir_data = (als_ir_data * 31) / 1000;
else
als_ir_data = (als_ir_data * 49) / 100;
*als_data = als_ir_data;
return 0;
}
/* Display als data */
static ssize_t show_als_data(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct isl29028_chip *chip = iio_priv(indio_dev);
int als_ir_data;
bool st;
ssize_t buf_count = 0;
dev_vdbg(dev, "%s()\n", __func__);
mutex_lock(&chip->lock);
if (chip->als_ir_mode == MODE_ALS) {
st = isl29028_read_als_ir(chip->client, &als_ir_data);
if (st) {
/* convert als data count to lux */
/* if als_range = 0, lux = count * 0.0326 */
/* if als_range = 1, lux = count * 0.522 */
if (!chip->als_range)
als_ir_data = (als_ir_data * 326) / 10000;
else
als_ir_data = (als_ir_data * 522) / 1000;
buf_count = sprintf(buf, "%d\n", als_ir_data);
chip->als_reading = als_ir_data;
}
} else
buf_count = sprintf(buf, "%d\n", chip->als_reading);
mutex_unlock(&chip->lock);
return buf_count;
}
static int isl29028_ir_get(struct isl29028_chip *chip, int *ir_data)
{
int ret;
if (chip->als_ir_mode != MODE_IR) {
ret = isl29028_set_als_ir_mode(chip, MODE_IR);
if (ret < 0) {
dev_err(chip->dev,
"Error in enabling IR mode err %d\n", ret);
return ret;
}
chip->als_ir_mode = MODE_IR;
}
return isl29028_read_als_ir(chip, ir_data);
}
static int isl29028_ir_get(struct isl29028_chip *chip, int *ir_data)
{
struct device *dev = regmap_get_device(chip->regmap);
int ret;
if (chip->als_ir_mode != ISL29028_MODE_IR) {
ret = isl29028_set_als_ir_mode(chip, ISL29028_MODE_IR);
if (ret < 0) {
dev_err(dev,
"Error in enabling IR mode err %d\n", ret);
return ret;
}
chip->als_ir_mode = ISL29028_MODE_IR;
}
return isl29028_read_als_ir(chip, ir_data);
}
/* Display IR data */
static ssize_t show_ir_data(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct isl29028_chip *chip = iio_priv(indio_dev);
int als_ir_data;
bool st;
ssize_t buf_count = 0;
dev_vdbg(dev, "%s()\n", __func__);
mutex_lock(&chip->lock);
if (chip->als_ir_mode == MODE_IR) {
st = isl29028_read_als_ir(chip->client, &als_ir_data);
if (st) {
buf_count = sprintf(buf, "%d\n", als_ir_data);
chip->ir_reading = als_ir_data;
}
} else
buf_count = sprintf(buf, "%d\n", chip->ir_reading);
mutex_unlock(&chip->lock);
return buf_count;
}