#include <linux/i2c.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
-#include <linux/iio/trigger_consumer.h>
#include <linux/iio/buffer.h>
#include <linux/iio/trigger.h>
#include <linux/iio/trigger_consumer.h>
int i = mma8452_get_odr_index(data);
return mma8452_get_int_plus_micros_index(mma8452_hp_filter_cutoff[i],
- ARRAY_SIZE(mma8452_scales[0]), val, val2);
+ ARRAY_SIZE(mma8452_hp_filter_cutoff[0]), val, val2);
}
static int mma8452_read_hp_filter(struct mma8452_data *data, int *hz, int *uHz)
i = mma8452_get_hp_filter_index(data, val, val2);
if (i < 0)
- return -EINVAL;
+ return i;
reg = i2c_smbus_read_byte_data(data->client,
MMA8452_HP_FILTER_CUTOFF);
case IIO_CHAN_INFO_SAMP_FREQ:
i = mma8452_get_samp_freq_index(data, val, val2);
if (i < 0)
- return -EINVAL;
+ return i;
data->ctrl_reg1 &= ~MMA8452_CTRL_DR_MASK;
data->ctrl_reg1 |= i << MMA8452_CTRL_DR_SHIFT;
case IIO_CHAN_INFO_SCALE:
i = mma8452_get_scale_index(data, val, val2);
if (i < 0)
- return -EINVAL;
+ return i;
data->data_cfg &= ~MMA8452_DATA_CFG_FS_MASK;
data->data_cfg |= i;
return mma8452_change_config(data, MMA8452_DATA_CFG,
switch (info) {
case IIO_EV_INFO_VALUE:
- return mma8452_change_config(data, MMA8452_TRANSIENT_THS,
- val & MMA8452_TRANSIENT_THS_MASK);
+ if (val < 0 || val > MMA8452_TRANSIENT_THS_MASK)
+ return -EINVAL;
+
+ return mma8452_change_config(data, MMA8452_TRANSIENT_THS, val);
case IIO_EV_INFO_PERIOD:
steps = (val * USEC_PER_SEC + val2) /
mma8452_transient_time_step_us[
mma8452_get_odr_index(data)];
- if (steps > 0xff)
+ if (steps < 0 || steps > 0xff)
return -EINVAL;
return mma8452_change_config(data, MMA8452_TRANSIENT_COUNT,
{ .compatible = "fsl,mma8452" },
{ }
};
+MODULE_DEVICE_TABLE(of, mma8452_dt_ids);
static struct i2c_driver mma8452_driver = {
.driver = {