lkml.org 
[lkml]   [2022]   [May]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v4 3/3] iio: light: Add support for ltrf216a sensor
From
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?

\
 
 \ /
  Last update: 2022-05-13 01:55    [W:0.138 / U:1.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site