Re: [PATCH v6 0/7] iio: accel: Add support for Kionix/ROHM KX132-1211 accelerometer

From: Jonathan Cameron
Date: Sat Jul 08 2023 - 12:23:54 EST


On Tue, 13 Jun 2023 12:22:33 +0200
Mehdi Djait <mehdi.djait.k@xxxxxxxxx> wrote:

> Hello everyone,
>
> Version 6 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 similar 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.
>
Just though I'd say that the series looks fine to me. I'm just waiting
on reply to Matti's query on the last patch before applying it.

Thanks,

Jonathan


> Changes in v6:
> - check for availability of chip_info for the SPI case
> - changed the order of elements in the kx022a_data struct to save memory
>
> Changes in v5:
> - moved the "kfree" call to match the reverse of what happens in
> kx022a_fifo_enable() as suggested by Matti and Jonathan
> - used min_t, checked for availability of chip_info and moved the
> position of u16 buf_smp_lvl_mask as suggested by Andy
> - introduced buf_smp_lvl_mask in Patch 7 as suggested by Jonathan
>
> 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 | 24 +-
> drivers/iio/accel/kionix-kx022a-spi.c | 15 +-
> drivers/iio/accel/kionix-kx022a.c | 312 ++++++++++++++----
> drivers/iio/accel/kionix-kx022a.h | 110 +++++-
> 6 files changed, 406 insertions(+), 75 deletions(-)
>