From: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> commit ea85bf906466191b58532bb19f4fbb4591f0a77e upstream. We need to wait for sensor settling time (~ 3/ODR) before reading data in st_lsm6dsx_read_oneshot routine in order to avoid corrupted samples. Fixes: 290a6ce11d93 ("iio: imu: add support to lsm6dsx driver") Reported-by: Mario Tesi <mario.tesi@xxxxxx> Tested-by: Mario Tesi <mario.tesi@xxxxxx> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> Link: https://lore.kernel.org/r/b41ebda5535895298716c76d939f9f165fcd2d13.1644098120.git.lorenzo@xxxxxxxxxx Cc: <Stable@xxxxxxxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -1558,8 +1558,12 @@ static int st_lsm6dsx_read_oneshot(struc if (err < 0) return err; + /* + * we need to wait for sensor settling time before + * reading data in order to avoid corrupted samples + */ delay = 1000000000 / sensor->odr; - usleep_range(delay, 2 * delay); + usleep_range(3 * delay, 4 * delay); err = st_lsm6dsx_read_locked(hw, addr, &data, sizeof(data)); if (err < 0) Patches currently in stable-queue which might be from lorenzo@xxxxxxxxxx are queue-5.10/iio-imu-st_lsm6dsx-wait-for-settling-time-in-st_lsm6dsx_read_oneshot.patch