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Date:   Thu, 26 Nov 2020 18:09:57 +0100
From:   AngeloGioacchino Del Regno <kholk11@...il.com>
To:     Amit Pundir <amit.pundir@...aro.org>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>, rydberg@...math.org,
        priv.luk@...il.com, linux-input@...r.kernel.org,
        lkml <linux-kernel@...r.kernel.org>, marijns95@...il.com,
        Konrad Dybcio <konradybcio@...il.com>, martin.botka1@...il.com,
        phone-devel@...r.kernel.org, dt <devicetree@...r.kernel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        andy.shevchenko@...il.com
Subject: Re: [PATCH v9 0/3] Add Novatek NT36xxx touchscreen driver

Il giorno lun 23 nov 2020 alle ore 11:13 Amit Pundir
<amit.pundir@...aro.org> ha scritto:
>
> Hi,
>
> On Thu, 29 Oct 2020 at 06:32, <kholk11@...il.com> wrote:
> >
> > From: AngeloGioacchino Del Regno <kholk11@...il.com>
> >
> > This patch series adds support for the Novatek NT36xxx Series' In-Cell
> > touchscreen (integrated into the DriverIC).
> >
> > This patch series has been tested against the following devices:
> >  - Sony Xperia 10        (SDM630 Ganges Kirin)
> >  - Sony Xperia 10 Plus   (SDM636 Ganges Mermaid)
>
> Tested the patch series on Xiaomi Poco F1 (SDM845 Beryllium) using
> Novatek NT36672A IC. May I suggest adding "novatek,nt36672a" in the
> list of compatible of_device_id{} as well.
>
> Regards,
> Amit Pundir
>
>
> >
> > Changes in v2:
> > - Fixed sparse warnings from lkp kernel test robot
> >
> > Changes in v3 (as requested by Dmitry Torokhov):
> > - Using shorthand u16/u32 (sorry for the overlook!)
> > - Now using more input and touchscreen APIs
> > - Fixed useless workqueue involvements
> > - Removed useless locking
> > - Switched reads and writes to use regmap
> > - Moved header contents to nt36xxx.c
> > - Fixed reset gpio handling
> > - Other cleanups
> > - P.S.: Thanks, Dmitry!
> >
> > Changes in v4:
> > - Fixed regmap read length for CRC_ERR_FLAG final check
> > - Fixed YAML binding, as requested by Krzysztof Kozlowski
> >
> > Changes in v5:
> > - Replaced subsystem maintainer's name with .. mine,
> >   usage of additionalProperties to unevaluatedProperties
> >   and a typo fix for reset-gpios as per Rob Herring's review
> > - Changed compatible string as per Krzysztof K. request
> > - Renamed the novatek,nt36xxx.yaml file to just nt36xxx.yaml
> >   in order to now reflect the driver name instead of the DT
> >   compatible
> > - Fixed blank line at EOF
> >
> > Changes in v6:
> > - Removed include of_gpio.h, added mod_devicetable.h and
> >   gpio/consumer.h
> > - Added kerneldoc to relevant functions/enum
> > - Used traditional patterns for error checking where possible
> > - Documented calls to usleep/msleep
> > - Using be16_to_cpu / get_unaligned_be16 where possible
> > - Added helper for CRC error check on retrieved buffer
> > - Decreased indentation in the CRC reboot recovery function
> > - Removed instances of error code sum
> > - Dropped all likely/unlikely optimization as per request
> > - Removed redundant reset_gpio checks
> > - Dropped of_match_ptr and ifdefs for CONFIG_OF
> >
> > Changes in v7:
> > - Fixed typo in nt36xxx.c
> >
> > Changes in v8:
> > - Fixed typo reset-gpio -> reset-gpios in dt-bindings
> >
> > Changes in v9:
> > - Includes are now sorted
> > - Used proposed sizeof variable instead of sizeof type
> > - Fixed a return value check for common pattern
> > - Added NULL check to devm_kasprintf call
> > - Returning ret on probe function to be consistent
> >
> > AngeloGioacchino Del Regno (3):
> >   dt-bindings: Add vendor prefix for Novatek Microelectronics Corp.
> >   Input: Add Novatek NT36xxx touchscreen driver
> >   dt-bindings: touchscreen: Add binding for Novatek NT36xxx series
> >     driver
> >
> >  .../bindings/input/touchscreen/nt36xxx.yaml   |  59 ++
> >  .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
> >  drivers/input/touchscreen/Kconfig             |  12 +
> >  drivers/input/touchscreen/Makefile            |   1 +
> >  drivers/input/touchscreen/nt36xxx.c           | 894 ++++++++++++++++++
> >  drivers/input/touchscreen/nt36xxx.h           | 122 +++
> >  6 files changed, 1090 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml
> >  create mode 100644 drivers/input/touchscreen/nt36xxx.c
> >  create mode 100644 drivers/input/touchscreen/nt36xxx.h
> >
> > --
> > 2.28.0
> >
Mind releasing a Tested-By tag for this?

Anyway, I was suggested to add a compatible only for the "oldest" IC that
is supported in this driver, since there is autodetection, that's why you see
only the 36525 compatible here!

Yours,
Angelo

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