linux-kernel - Re: [PATCH v9 0/3] Add Novatek NT36xxx touchscreen driver

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Message-ID: <CAMi1Hd00rPU2nUVxK000F=oP=33EKDKXLDymz9hbZT0XEGQZuw@mail.gmail.com>
Date:   Fri, 27 Nov 2020 11:53:25 +0530
From:   Amit Pundir <amit.pundir@...aro.org>
To:     kholk11@...il.com
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>,
        krzk@...nel.org, andy.shevchenko@...il.com
Subject: Re: [PATCH v9 0/3] Add Novatek NT36xxx touchscreen driver

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, Novatek
NT36672A IC).

For the whole series:
Tested-by: Amit Pundir <amit.pundir@...aro.org>

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
>