Public bug reported:
Fails to register the sensors when the user unloads and re-loads the
driver module.
1. Unload the kernel modules for st_pressure
$ sudo rmmod st_pressure_i2c
$ sudo rmmod st_pressure
2. Re-load the driver
$ sudo insmod st_pressure
$ sudo insmod st_pressure_i2c
--- OR ---
$ sudo modprobe st_pressure_i2c
dmesg errors:
[ 160.935707] iio iio:device2: DRDY on pdata not valid.
[ 160.941505] st-press-i2c: probe of i2c-SMO9210:00 failed with error -22
The driver fails to register the pressure sensor device. Devices
supported by st_accel driver also suffer from the same bug.
This bug is used for tracking purposes, please do not triage.
** Affects: linux (Ubuntu)
Importance: Critical
Status: Confirmed
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Importance: Undecided => Critical
** Description changed:
- the driver fails to register the sensors when the user unloads and re-
- loads the driver module.
+ Fails to register the sensors when the user unloads and re-loads the
+ driver module.
1. Unload the kernel modules for st_pressure
$ sudo rmmod st_pressure_i2c
$ sudo rmmod st_pressure
2. Re-load the driver
$ sudo insmod st_pressure
$ sudo insmod st_pressure_i2c
--- OR ---
$ sudo modprobe st_pressure_i2c
dmesg errors:
[ 160.935707] iio iio:device2: DRDY on pdata not valid.
[ 160.941505] st-press-i2c: probe of i2c-SMO9210:00 failed with error -22
The driver fails to register the pressure sensor device. Devices
supported by st_accel driver also suffer from the same bug.
This bug is used for tracking purposes, please do not triage.
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https://bugs.launchpad.net/bugs/1690310
Title:
st_pressure, st_accel IIO drivers fail to detect sensors after
reloading kernel modules
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