kernel/drivers/iio/imu, branch linux-rolling-stable

iio: imu: inv_icm42600: fix odr switch when turning buffer off

2026-03-19T15:15:31Z

commit ffd32db8263d2d785a2c419486a450dc80693235 upstream. 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 Signed-off-by: Greg Kroah-Hartman

iio: imu: inv_icm42600: fix odr switch to the same value

2026-03-19T15:15:30Z

commit c9f3a593137d862d424130343e77d4b5260a4f5a upstream. 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 to the same odr value, we end up waiting for a FIFO ODR flag that is never happening. Fix the issue by doing nothing and exiting properly when we are switching to the same ODR value. 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 Signed-off-by: Greg Kroah-Hartman

iio: imu: inv_icm45600: fix INT1 drive bit inverted

2026-03-19T15:15:30Z

commit 7ef74d961d1ad6ec72b50887ca119d7f98f07717 upstream. Drive bit must be set for open-drain mode and be cleared for push-pull mode. Referring to datasheet DS-000576_ICM-45605.pdf section 17.23 INT1_CONFIG2. Fixes: 06674a72cf7a ("iio: imu: inv_icm45600: add buffer support in iio devices") Signed-off-by: Jean-Baptiste Maneyrol Reviewed-by: Andy Shevchenko Cc: stable@vger.kernel.org Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman

iio: imu: inv_icm45600: fix regulator put warning when probe fails

2026-03-19T15:15:30Z

commit 2617595538be8a2f270ad13fccb9f56007b292d7 upstream. When the driver probe fails we encounter a regulator put warning because vddio regulator is not stopped before release. The issue comes from pm_runtime not already setup when core probe fails and the vddio regulator disable callback is called. Fix the issue by setting pm_runtime active early before vddio regulator resource cleanup. This requires to cut pm_runtime set_active and enable in 2 function calls. Fixes: 7ff021a3faca ("iio: imu: inv_icm45600: add new inv_icm45600 driver") Signed-off-by: Jean-Baptiste Maneyrol Cc: stable@vger.kernel.org Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman

iio: imu: adis: Fix NULL pointer dereference in adis_init

2026-03-19T15:15:30Z

commit 9990cd4f8827bd1ae3fb6eb7407630d8d463c430 upstream. The adis_init() function dereferences adis->ops to check if the individual function pointers (write, read, reset) are NULL, but does not first check if adis->ops itself is NULL. Drivers like adis16480, adis16490, adis16545 and others do not set custom ops and rely on adis_init() assigning the defaults. Since struct adis is zero-initialized by devm_iio_device_alloc(), adis->ops is NULL when adis_init() is called, causing a NULL pointer dereference: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 pc : adis_init+0xc0/0x118 Call trace: adis_init+0xc0/0x118 adis16480_probe+0xe0/0x670 Fix this by checking if adis->ops is NULL before dereferencing it, falling through to assign the default ops in that case. Fixes: 3b29bcee8f6f ("iio: imu: adis: Add custom ops struct") Signed-off-by: Radu Sabau Reviewed-by: Andy Shevchenko Reviewed-by: Antoniu Miclaus Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman

iio: imu: inv-mpu9150: fix irq ack preventing irq storms

2026-03-19T15:14:59Z

[ Upstream commit d23d763e00ace4e9c59f8d33e0713d401133ba88 ] IRQ needs to be acked. for some odd reasons, reading from irq status does not reliable help, enable acking from any register to be on the safe side and read the irq status register. Comments in the code indicate a known unreliability with that register. The blamed commit was tested with mpu6050 in lg,p895 and lg,p880 according to Tested-bys. But with the MPU9150 in the Epson Moverio BT-200 this leads to irq storms without properly acking the irq. Fixes: 0a3b517c8089 ("iio: imu: inv_mpu6050: fix interrupt status read for old buggy chips") Signed-off-by: Andreas Kemnade Acked-by: Jean-Baptiste Maneyrol Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin

iio: bmi270_i2c: Add MODULE_DEVICE_TABLE for BMI260/270

2026-03-04T12:20:41Z

[ Upstream commit f69b5ac682dbc61e6aca806c22ce2ae74d598e45 ] Currently BMI260 & BMI270 devices do not automatically load this driver. To fix this, add missing MODULE_DEVICE_TABLE for the i2c, acpi, and of device tables so the driver will load when the hardware is detected. Tested on my OneXPlayer F1 Pro. Signed-off-by: Derek J. Clark Reviewed-by: Andy Shevchenko Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin

iio: imu: inv_icm45600: fix temperature offset reporting

2025-12-21T18:40:56Z

Correct temperature computation is (raw + offset) * scale and not apply scale and offset afterward. Fix temperature offset reporting to the correct value and update commentaries for the new computation. Fixes: 27e072bc34d1 ("iio: imu: inv_icm45600: add IMU IIO gyroscope device") Signed-off-by: Jean-Baptiste Maneyrol Cc: stable@vger.kernel.org Signed-off-by: Jonathan Cameron

iio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection

2025-12-21T11:14:10Z

The st_lsm6dsx_acc_channels array of struct iio_chan_spec has a non-NULL event_spec field, indicating support for IIO events. However, event detection is not supported for all sensors, and if userspace tries to configure accelerometer wakeup events on a sensor device that does not support them (e.g. LSM6DS0), st_lsm6dsx_write_event() dereferences a NULL pointer when trying to write to the wakeup register. Define an additional struct iio_chan_spec array whose members have a NULL event_spec field, and use this array instead of st_lsm6dsx_acc_channels for sensors without event detection capability. Fixes: b5969abfa8b8 ("iio: imu: st_lsm6dsx: add motion events") Signed-off-by: Francesco Lavra Reviewed-by: Andy Shevchenko Acked-by: Lorenzo Bianconi Cc: stable@vger.kernel.org Signed-off-by: Jonathan Cameron

Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2025-12-07T02:34:24Z

Pull char/misc/IIO driver updates from Greg KH: "Here is the big set of char/misc/iio driver updates for 6.19-rc1. Lots of stuff in here including: - lots of IIO driver updates, cleanups, and additions - large interconnect driver changes as they get converted over to a dynamic system of ids - coresight driver updates - mwave driver updates - binder driver updates and changes - comedi driver fixes now that the fuzzers are being set loose on them - nvmem driver updates - new uio driver addition - lots of other small char/misc driver updates, full details in the shortlog All of these have been in linux-next for a while now" * tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (304 commits) char: applicom: fix NULL pointer dereference in ac_ioctl hangcheck-timer: fix coding style spacing hangcheck-timer: Replace %Ld with %lld hangcheck-timer: replace printk(KERN_CRIT) with pr_crit uio: Add SVA support for PCI devices via uio_pci_generic_sva.c dt-bindings: slimbus: fix warning from example intel_th: Fix error handling in intel_th_output_open misc: rp1: Fix an error handling path in rp1_probe() char: xillybus: add WQ_UNBOUND to alloc_workqueue users misc: bh1770glc: use pm_runtime_resume_and_get() in power_state_store misc: cb710: Fix a NULL vs IS_ERR() check in probe() mux: mmio: Add suspend and resume support virt: acrn: split acrn_mmio_dev_res out of acrn_mmiodev greybus: gb-beagleplay: Fix timeout handling in bootloader functions greybus: add WQ_PERCPU to alloc_workqueue users char/mwave: drop typedefs char/mwave: drop printk wrapper char/mwave: remove printk tracing char/mwave: remove unneeded fops char/mwave: remove MWAVE_FUTZ_WITH_OTHER_DEVICES ifdeffery ...