Refactorize the set_mode() function to use an external enum that
describes the possible modes of the BME680 device instead of using
true/false variables for selecting SLEEPING/FORCED mode.
Signed-off-by: Vasileios Amoiridis <vassilisamir@xxxxxxxxx>
---
drivers/iio/chemical/bme680.h | 2 --
drivers/iio/chemical/bme680_core.c | 31 ++++++++++++++----------------
2 files changed, 14 insertions(+), 19 deletions(-)
diff --git a/drivers/iio/chemical/bme680.h b/drivers/iio/chemical/bme680.h
index f5be4516dde7..77136b55e7f6 100644
--- a/drivers/iio/chemical/bme680.h
+++ b/drivers/iio/chemical/bme680.h
@@ -27,8 +27,6 @@
#define BME680_OSRS_TEMP_MASK GENMASK(7, 5)
#define BME680_OSRS_PRESS_MASK GENMASK(4, 2)
#define BME680_MODE_MASK GENMASK(1, 0)
-#define BME680_MODE_FORCED 1
-#define BME680_MODE_SLEEP 0
#define BME680_REG_CONFIG 0x75
#define BME680_FILTER_MASK GENMASK(4, 2)
diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme680_core.c
index 6d11f9188367..5c2c327c4540 100644
--- a/drivers/iio/chemical/bme680_core.c
+++ b/drivers/iio/chemical/bme680_core.c
@@ -95,6 +95,12 @@ struct bme680_calib {
s8 range_sw_err;
};
+/* values of CTRL_MEAS register */
+enum bme680_op_mode {
+ BME680_MODE_SLEEP = 0,
+ BME680_MODE_FORCED = 1,
+};
+
struct bme680_data {
struct regmap *regmap;
struct bme680_calib bme680;
@@ -502,23 +508,16 @@ static u8 bme680_calc_heater_dur(u16 dur)
return durval;
}
-static int bme680_set_mode(struct bme680_data *data, bool mode)
+static int bme680_set_mode(struct bme680_data *data, enum bme680_op_mode mode)
{
struct device *dev = regmap_get_device(data->regmap);
int ret;
- if (mode) {
- ret = regmap_write_bits(data->regmap, BME680_REG_CTRL_MEAS,
- BME680_MODE_MASK, BME680_MODE_FORCED);
- if (ret < 0)
- dev_err(dev, "failed to set forced mode\n");
-
- } else {
- ret = regmap_write_bits(data->regmap, BME680_REG_CTRL_MEAS,
- BME680_MODE_MASK, BME680_MODE_SLEEP);
- if (ret < 0)
- dev_err(dev, "failed to set sleep mode\n");
-
+ ret = regmap_write_bits(data->regmap, BME680_REG_CTRL_MEAS,
+ BME680_MODE_MASK, mode);
+ if (ret < 0) {
+ dev_err(dev, "failed to set ctrl_meas register\n");
+ return ret;
}
return ret;
@@ -613,8 +612,7 @@ static int bme680_gas_config(struct bme680_data *data)
int ret;
u8 heatr_res, heatr_dur;
- /* Go to sleep */
- ret = bme680_set_mode(data, false);
+ ret = bme680_set_mode(data, BME680_MODE_SLEEP);
if (ret < 0)
return ret;
@@ -745,8 +743,7 @@ static int bme680_read_raw(struct iio_dev *indio_dev,
guard(mutex)(&data->lock);
- /* set forced mode to trigger measurement */
- ret = bme680_set_mode(data, true);
+ ret = bme680_set_mode(data, BME680_MODE_FORCED);
if (ret < 0)
return ret;
--
2.43.0
