Messages in this thread | | | Date | Fri, 13 May 2022 02:54:08 +0300 | Subject | Re: [PATCH v4 3/3] iio: light: Add support for ltrf216a sensor | From | Dmitry Osipenko <> |
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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?
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