linux-kernel - Re: [PATCH v2 0/3] iio: accel: kxcjk-1013: Add support for KX023-1025

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Date:   Thu, 13 May 2021 17:18:55 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Stephan Gerhold <stephan@...hold.net>
Cc:     Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Robert Yang <decatf@...il.com>, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Michał Mirosław 
        <mirq-linux@...e.qmqm.pl>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH v2 0/3] iio: accel: kxcjk-1013: Add support for
 KX023-1025

On Tue, 11 May 2021 16:23:59 +0200
Stephan Gerhold <stephan@...hold.net> wrote:

> KX023-1025 [1] is another accelerometer from Kionix that has lots
> of additional functionality compared to KXCJK-1013. It combines the
> motion interrupt functionality from KXCJK with the tap detection
> from KXTF9, plus a lot more other functionality.
> 
> This patch set does not add support for any of the extra functionality,
> but makes basic functionality work with the existing kxcjk-1013 driver.
> 
> At first, the register map for the KX023-1025 seems quite different
> from the other accelerometers supported by the kxcjk-1013.
> However, it turns out that at least most of the register bits
> still mean the same for KX023-1025.
> 
> This patch set refactors the kxcjk-1013 driver a little bit
> to get the register addresses from a chip-specific struct.
> The register bits can be re-used for all the different chips.
> 
> The KX023-1025 is used in several smartphones from Huawei.
> I tested these changes on a Huawei Ascend G7, someone else reported
> they also work fine on the Huawei Honor 5X (codename "kiwi").
> 
> [1]: https://kionixfs.azureedge.net/en/datasheet/KX023-1025%20Specifications%20Rev%2012.0.pdf

Series applied to the togreg branch of iio.git and pushed out as testing
for the bots to see if they can find anything we missed.

Thanks,

Jonathan

> ---
> Changes in v2:
>   - Make register structs static (reported by kernel test robot)
> 
> Stephan Gerhold (3):
>   dt-bindings: iio: kionix,kxcjk1013: Document kionix,kx023-1025
>   iio: accel: kxcjk-1013: Refactor configuration registers into struct
>   iio: accel: kxcjk-1013: Add support for KX023-1025
> 
>  .../bindings/iio/accel/kionix,kxcjk1013.yaml  |   1 +
>  drivers/iio/accel/kxcjk-1013.c                | 217 ++++++++++++++----
>  2 files changed, 176 insertions(+), 42 deletions(-)
>