iio: accel: adxl345: Extract adxl345_powerup() helper

For the sake of symmetry and possible reuse in the future
extract adxl435_powerup() helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20220222090009.2060-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index 315a408115b3ede54a6c9ba1eba8d408bd96e6e8..4e4562fc35c9855e65af3e1d6c871b2395e36d3a 100644 (file)
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -209,6 +209,11 @@ static const struct iio_info adxl345_info = {
        .write_raw_get_fmt      = adxl345_write_raw_get_fmt,
 };
 
+static int adxl345_powerup(void *regmap)
+{
+       return regmap_write(regmap, ADXL345_REG_POWER_CTL, ADXL345_POWER_CTL_MEASURE);
+}
+
 static void adxl345_powerdown(void *regmap)
 {
        regmap_write(regmap, ADXL345_REG_POWER_CTL, ADXL345_POWER_CTL_STANDBY);
@@ -265,8 +270,7 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap)
        indio_dev->num_channels = ARRAY_SIZE(adxl345_channels);
 
        /* Enable measurement mode */
-       ret = regmap_write(data->regmap, ADXL345_REG_POWER_CTL,
-                          ADXL345_POWER_CTL_MEASURE);
+       ret = adxl345_powerup(data->regmap);
        if (ret < 0)
                return dev_err_probe(dev, ret, "Failed to enable measurement mode\n");