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Date:   Tue, 13 Jun 2023 13:04:41 +0300
From:   Matti Vaittinen <mazziesaccount@gmail.com>
To:     Matti Vaittinen <mazziesaccount@gmail.com>,
        Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Cc:     Jonathan Cameron <jic23@kernel.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Matti Vaittinen <mazziesaccount@gmail.com>,
        linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH 0/3] Support ROHM BU27010 RGBC sensor
Message-ID: <cover.1686650184.git.mazziesaccount@gmail.com>
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Support ROHM BU27010 RGBC + flickering sensor.

Following description copied from commit log:

> The ROHM BU27010 is an RGBC sensor with a flickering detection FIFO. The
> RGBC+IR sensor functionality is largely similar to what the BU27008 has.
> There are some notable things though:
>  - gain setting is once again new and exotic. Now, there is 6bit gain
>    setting where 4 of the bits are common to all channels and 2 bits
>    can be configured separately for each channel. The BU27010 has
>    similar "1X on other channels vs 2X on IR when selector is 0x0"
>    gain design as BU27008 had. So, we use same gain setting policy for
>    BU27010 as we did for BU27008 - driver sets same gain selector for
>    all channels but shows the gains separately for all channels so users
>    can (at least in theory) detect this 1X vs 2X madness...
>  - BU27010 has suffled all the control register bitfields to new
>    addresses and bit positions while still keeping the register naming
>    same.
>  - Some more power/reset control is added.
>  - FIFO for "flickering detection" is added.
>
> The control register suffling made this slightly nasty. Still, it is
> easier for maintenance perspective to add the BU27010 support in BU27008
> driver because - even though the bit positions/addresses were changed -
> most of the driver structure can be re-used. Writing own driver for
> BU27010 would mean plenty of duplicate code albeit a tad more clarity.

This series is done on top of the iio-for-6.5a + this fix-up series:
https://lore.kernel.org/all/cover.1686648422.git.mazziesaccount@gmail.com/

---

Matti Vaittinen (3):
  dt-bindings: ROHM BU27010 RGBC + flickering sensor
  iio: light: bu27008: add chip info
  iio: light: bd27008: Support BD27010 RGB

 .../bindings/iio/light/rohm,bu27010.yaml      |  50 ++
 drivers/iio/light/rohm-bu27008.c              | 504 ++++++++++++++++--
 2 files changed, 500 insertions(+), 54 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/iio/light/rohm,bu2701=
0.yaml

--=20
2.40.1


--=20
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =3D]=20

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