summaryrefslogtreecommitdiff
path: root/drivers/iio/accel/adxl345_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/accel/adxl345_core.c')
-rw-r--r--drivers/iio/accel/adxl345_core.c56
1 files changed, 33 insertions, 23 deletions
diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index 4b275051ef61..370bfec1275a 100644
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -8,6 +8,7 @@
*/
#include <linux/module.h>
+#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/iio/iio.h>
@@ -194,7 +195,7 @@ static IIO_CONST_ATTR_SAMP_FREQ_AVAIL(
static struct attribute *adxl345_attrs[] = {
&iio_const_attr_sampling_frequency_available.dev_attr.attr,
- NULL,
+ NULL
};
static const struct attribute_group adxl345_attrs_group = {
@@ -208,30 +209,44 @@ 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);
}
-int adxl345_core_probe(struct device *dev, struct regmap *regmap,
- enum adxl345_device_type type, const char *name)
+int adxl345_core_probe(struct device *dev, struct regmap *regmap)
{
+ enum adxl345_device_type type;
struct adxl345_data *data;
struct iio_dev *indio_dev;
+ const char *name;
u32 regval;
int ret;
- ret = regmap_read(regmap, ADXL345_REG_DEVID, &regval);
- if (ret < 0) {
- dev_err(dev, "Error reading device ID: %d\n", ret);
- return ret;
+ type = (uintptr_t)device_get_match_data(dev);
+ switch (type) {
+ case ADXL345:
+ name = "adxl345";
+ break;
+ case ADXL375:
+ name = "adxl375";
+ break;
+ default:
+ return -EINVAL;
}
- if (regval != ADXL345_DEVID) {
- dev_err(dev, "Invalid device ID: %x, expected %x\n",
- regval, ADXL345_DEVID);
- return -ENODEV;
- }
+ ret = regmap_read(regmap, ADXL345_REG_DEVID, &regval);
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Error reading device ID\n");
+
+ if (regval != ADXL345_DEVID)
+ return dev_err_probe(dev, -ENODEV, "Invalid device ID: %x, expected %x\n",
+ regval, ADXL345_DEVID);
indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
if (!indio_dev)
@@ -245,10 +260,8 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,
ret = regmap_write(data->regmap, ADXL345_REG_DATA_FORMAT,
data->data_range);
- if (ret < 0) {
- dev_err(dev, "Failed to set data range: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Failed to set data range\n");
indio_dev->name = name;
indio_dev->info = &adxl345_info;
@@ -257,12 +270,9 @@ 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);
- if (ret < 0) {
- dev_err(dev, "Failed to enable measurement mode: %d\n", ret);
- return ret;
- }
+ ret = adxl345_powerup(data->regmap);
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Failed to enable measurement mode\n");
ret = devm_add_action_or_reset(dev, adxl345_powerdown, data->regmap);
if (ret < 0)
@@ -270,7 +280,7 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,
return devm_iio_device_register(dev, indio_dev);
}
-EXPORT_SYMBOL_GPL(adxl345_core_probe);
+EXPORT_SYMBOL_NS_GPL(adxl345_core_probe, IIO_ADXL345);
MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");
MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer core driver");