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EdmMlcLN8oYL9nLSMbORe5JvVQhKZ5Vbq+9HKinKuutVOyt6IrWeSodmL+uTQ/9jK+RNufPrKwO 41GlPsAivO2LgLfkFXQ== X-Proofpoint-ORIG-GUID: comb3waEbcQlEsuejio_yozeuI0QsK0d X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-17_03,2026-03-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 impostorscore=0 spamscore=0 malwarescore=0 adultscore=0 phishscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603170140 From: Jean-Baptiste Maneyrol ODR switch is done in 2 steps when FIFO is on : change the ODR register value and acknowledge change when reading the FIFO ODR change flag. When we are switching odr and turning buffer off just afterward, we are losing the FIFO ODR change flag and ODR switch is blocked. Fix the issue by force applying any waiting ODR change when turning buffer off. Fixes: ec74ae9fd37c ("iio: imu: inv_icm42600: add accurate timestamping") Signed-off-by: Jean-Baptiste Maneyrol Cc: stable@vger.kernel.org Signed-off-by: Jonathan Cameron (cherry picked from commit ffd32db8263d2d785a2c419486a450dc80693235) --- drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c index 32d7f8364230..f29c3e8531e6 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c @@ -377,6 +377,7 @@ static int inv_icm42600_buffer_predisable(struct iio_dev *indio_dev) static int inv_icm42600_buffer_postdisable(struct iio_dev *indio_dev) { struct inv_icm42600_state *st = iio_device_get_drvdata(indio_dev); + struct inv_icm42600_timestamp *ts = iio_priv(indio_dev); struct device *dev = regmap_get_device(st->map); unsigned int sensor; unsigned int *watermark; @@ -398,6 +399,8 @@ static int inv_icm42600_buffer_postdisable(struct iio_dev *indio_dev) mutex_lock(&st->lock); + inv_icm42600_timestamp_apply_odr(ts, 0, 0, 0); + ret = inv_icm42600_buffer_set_fifo_en(st, st->fifo.en & ~sensor); if (ret) goto out_unlock; -- 2.25.1