Add a function to enable measurement. The data-sheet recomments turning of
measurement while modifying certain config registers. This is a preparatory
step.
Signed-off-by: Lothar Rubusch <l.rubusch@xxxxxxxxx>
---
drivers/iio/accel/adxl313.h | 3 ++-
drivers/iio/accel/adxl313_core.c | 12 +++++++++---
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/accel/adxl313.h b/drivers/iio/accel/adxl313.h
index fc937bdf83b6..ba5b5d53a0ea 100644
--- a/drivers/iio/accel/adxl313.h
+++ b/drivers/iio/accel/adxl313.h
@@ -36,8 +36,9 @@
#define ADXL313_RATE_MSK GENMASK(3, 0)
#define ADXL313_RATE_BASE 6
-#define ADXL313_POWER_CTL_MSK GENMASK(3, 2)
+#define ADXL313_POWER_CTL_MSK BIT(3)
#define ADXL313_MEASUREMENT_MODE BIT(3)
+#define ADXL313_MEASUREMENT_STANDBY 0x00
#define ADXL313_RANGE_MSK GENMASK(1, 0)
#define ADXL313_RANGE_MAX 3
diff --git a/drivers/iio/accel/adxl313_core.c b/drivers/iio/accel/adxl313_core.c
index 0c893c286017..6c9d99650fc2 100644
--- a/drivers/iio/accel/adxl313_core.c
+++ b/drivers/iio/accel/adxl313_core.c
@@ -63,6 +63,14 @@ bool adxl313_is_volatile_reg(struct device *dev, unsigned int reg)
}
EXPORT_SYMBOL_NS_GPL(adxl313_is_volatile_reg, "IIO_ADXL313");
+static int adxl313_set_measure_en(struct adxl313_data *data, bool en)
+{
+ unsigned int val = en ? ADXL313_MEASUREMENT_MODE : ADXL313_MEASUREMENT_STANDBY;
+
+ return regmap_update_bits(data->regmap, ADXL313_REG_POWER_CTL,
+ ADXL313_POWER_CTL_MSK, val);
+}
+
static int adxl312_check_id(struct device *dev,
struct adxl313_data *data)
{
@@ -410,9 +418,7 @@ static int adxl313_setup(struct device *dev, struct adxl313_data *data,
}
/* Enables measurement mode */
- return regmap_update_bits(data->regmap, ADXL313_REG_POWER_CTL,
- ADXL313_POWER_CTL_MSK,
- ADXL313_MEASUREMENT_MODE);
+ return adxl313_set_measure_en(data, true);
}
/**
--
2.39.5
