linux-kernel - [PATCH v4 0/7] iio: accel: Add support for Kionix/ROHM KX132-1211 accelerometer

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Date:   Fri, 26 May 2023 16:30:41 +0200
From:   Mehdi Djait <mehdi.djait.k@...il.com>
To:     jic23@...nel.org, mazziesaccount@...il.com
Cc:     krzysztof.kozlowski+dt@...aro.org,
        andriy.shevchenko@...ux.intel.com, robh+dt@...nel.org,
        lars@...afoo.de, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Mehdi Djait <mehdi.djait.k@...il.com>
Subject: [PATCH v4 0/7] iio: accel: Add support for Kionix/ROHM KX132-1211 accelerometer

Hello everyone,

Version 4 for adding support for the kx132-1211 accelerometer

KX132-1211 accelerometer is a sensor which:
	- supports G-ranges of (+/-) 2, 4, 8, and 16G
	- can be connected to I2C or SPI
	- has internal HW FIFO buffer
	- supports various ODRs (output data rates)

The KX132-1211 accelerometer is very similair to the KX022A. 
One key difference is number of bits to report the number of data bytes that 
have been stored in the buffer: 8 bits for KX022A vs 10 bits for
KX132-1211.

Changes in v4:
- moved the allocation of the fifo_buffer to kx022a_fifo_enable and
  kx022a_fifo_disable
- some fixes to the regmap ranges of kx132-1211 

Changes in v3:
- added two new patches by separating the addition of the 
  i2c_device_id table and the removal of blank lines from other
  unrelated changes
- fixes a warning detected by the kernel test robot
- made all the changes related the chip_info in one patch

Changes in v2:
- added a new patch for warning when the device_id match fails in the
  probe function
- added a new patch for the function that retrieves the number of bytes
  in the buffer
- added a change to the Kconfig file in the patch adding the support
  for the kx132-1211
- various fixes and modifications listed under each patch

Mehdi Djait (7):
  dt-bindings: iio: Add KX132-1211 accelerometer
  iio: accel: kionix-kx022a: Remove blank lines
  iio: accel: kionix-kx022a: Warn on failed matches and assume
    compatibility
  iio: accel: kionix-kx022a: Add an i2c_device_id table
  iio: accel: kionix-kx022a: Refactor driver and add chip_info structure
  iio: accel: kionix-kx022a: Add a function to retrieve number of bytes
    in buffer
  iio: accel: Add support for Kionix/ROHM KX132-1211 accelerometer

 .../bindings/iio/accel/kionix,kx022a.yaml     |  12 +-
 drivers/iio/accel/Kconfig                     |   8 +-
 drivers/iio/accel/kionix-kx022a-i2c.c         |  22 +-
 drivers/iio/accel/kionix-kx022a-spi.c         |  13 +-
 drivers/iio/accel/kionix-kx022a.c             | 315 ++++++++++++++----
 drivers/iio/accel/kionix-kx022a.h             | 109 +++++-
 6 files changed, 404 insertions(+), 75 deletions(-)

-- 
2.30.2