group.of.nepali.translators team mailing list archive

[Stefan Bader <stefan.bader@xxxxxxxxxxxxx>]

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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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

Status in HWE Next:
  In Progress
Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Xenial:
  New

Bug description:
  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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