11.05.2022 12:40, Shreeya Patel пишет:
> +static int ltrf216a_init(struct iio_dev *indio_dev)
> +{
> + int ret;
> + struct ltrf216a_data *data = iio_priv(indio_dev);
> +
> + ret = i2c_smbus_read_byte_data(data->client, LTRF216A_MAIN_CTRL);
> + if (ret < 0) {
> + dev_err(&data->client->dev, "Error reading LTRF216A_MAIN_CTRL\n");
> + return ret;
> + }
> +
> + /* enable sensor */
> + ret |= FIELD_PREP(LTRF216A_ALS_ENABLE_MASK, 1);
> + ret = i2c_smbus_write_byte_data(data->client, LTRF216A_MAIN_CTRL, ret);
> + if (ret < 0) {
> + dev_err(&data->client->dev, "Error writing LTRF216A_MAIN_CTRL\n");
> + return ret;
> + }
Couldn't you write "1" directly without reading?
What about doing SW reset?
