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iio: light: veml6070: use field to set integration time

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Define the integration time within the configuration register as a field
to easy its handling as an index, preparing the driver to support
configurable integration times.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241017-veml6070-integration-time-v1-2-3507d17d562a@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Javier Carrasco 2024-10-17 23:39:26 +02:00 committed by Jonathan Cameron
parent eb0e400c51
commit 14a4f5b4cf
1 changed files with 4 additions and 3 deletions
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7
drivers/iio/light/veml6070.c
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@ -9,6 +9,7 @@
* TODO: integration time, ACK signal
*/
#include <linux/bitfield.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/mutex.h>
@ -28,7 +29,7 @@
#define VEML6070_COMMAND_RSRVD BIT(1) /* reserved, set to 1 */
#define VEML6070_COMMAND_SD BIT(0) /* shutdown mode when set */
#define VEML6070_IT_10 0x04 /* integration time 1x */
#define VEML6070_IT_10 0x01 /* integration time 1x */
struct veml6070_data {
struct i2c_client *client1;
@ -172,8 +173,8 @@ static int veml6070_probe(struct i2c_client *client)
return dev_err_probe(&client->dev, PTR_ERR(data->client2),
"i2c device for second chip address failed\n");
data->config = VEML6070_IT_10 | VEML6070_COMMAND_RSRVD |
VEML6070_COMMAND_SD;
data->config = FIELD_PREP(VEML6070_COMMAND_IT, VEML6070_IT_10) |
VEML6070_COMMAND_RSRVD | VEML6070_COMMAND_SD;
ret = i2c_smbus_write_byte(data->client1, data->config);
if (ret < 0)
return ret;