static int isl29028_proxim_get(struct isl29028_chip *chip, int *prox_data)
{
int ret;
if (!chip->enable_prox) {
ret = isl29028_enable_proximity(chip, true);
if (ret < 0)
return ret;
chip->enable_prox = true;
}
return isl29028_read_proxim(chip, prox_data);
}
/* Display proxim data */
static ssize_t show_proxim_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 prox_data;
bool st;
ssize_t buf_count = 0;
dev_vdbg(dev, "%s()\n", __func__);
mutex_lock(&chip->lock);
if (chip->is_prox_enable) {
st = isl29028_read_proxim(chip->client, &prox_data);
if (st) {
buf_count = sprintf(buf, "%d\n", prox_data);
chip->prox_reading = prox_data;
}
} else
buf_count = sprintf(buf, "%d\n", chip->prox_reading);
mutex_unlock(&chip->lock);
return buf_count;
}