diff options
Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c')
| -rw-r--r-- | drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c index ee59b0cac84f..8e47dccdd40f 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c @@ -432,8 +432,8 @@ st_lsm6dsx_shub_read_oneshot(struct st_lsm6dsx_sensor *sensor, struct iio_chan_spec const *ch, int *val) { - int err, delay, len = ch->scan_type.realbits >> 3; - __le16 data; + int err, delay, len; + u8 data[4]; err = st_lsm6dsx_shub_set_enable(sensor, true); if (err < 0) @@ -442,15 +442,17 @@ st_lsm6dsx_shub_read_oneshot(struct st_lsm6dsx_sensor *sensor, delay = 1000000 / sensor->odr; usleep_range(delay, 2 * delay); - err = st_lsm6dsx_shub_read(sensor, ch->address, (u8 *)&data, len); - if (err < 0) - return err; + len = min_t(int, sizeof(data), ch->scan_type.realbits >> 3); + err = st_lsm6dsx_shub_read(sensor, ch->address, data, len); st_lsm6dsx_shub_set_enable(sensor, false); + if (err < 0) + return err; + switch (len) { case 2: - *val = (s16)le16_to_cpu(data); + *val = (s16)le16_to_cpu(*((__le16 *)data)); break; default: return -EINVAL; |