linux-kernel - Re: [PATCH v6 0/3] media: i2c: Introduce driver for the TW9900 video decoder

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Message-ID: <20231009022122.GH5121@pendragon.ideasonboard.com>
Date:   Mon, 9 Oct 2023 05:21:22 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Mehdi Djait <mehdi.djait@...tlin.com>
Cc:     mchehab@...nel.org, heiko@...ech.de, hverkuil-cisco@...all.nl,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        conor+dt@...nel.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        thomas.petazzoni@...tlin.com, alexandre.belloni@...tlin.com,
        maxime.chevallier@...tlin.com, paul.kocialkowski@...tlin.com
Subject: Re: [PATCH v6 0/3] media: i2c: Introduce driver for the TW9900 video
 decoder

On Fri, Oct 06, 2023 at 06:25:27PM +0200, Mehdi Djait wrote:
> Hello everyone,
> 
> This series is based on the fifth iteration of the series introducing the
> tw9900 driver: sent 29 Dec 2020 [1]
> 
> This is the version 6 of the series adding support for the Techwell
> TW9900 multi standard decoder. It's a pretty simple decoder compared to
> the TW9910, since it doesn't have a built-in scaler/crop engine.
> 
> Changes v5 => v6:
> - dropped .skip_top and .field in the supported_modes
> - added error handling for the i2c writes/reads
> - added the colorimetry information to fill_fmt
> - removed pm_runtime

It's not very nice to keep the chip powered up all the time :-(

> - added the g_input_status callback
> - dropped SECAM
> - dropped the non-standard PAL/NTSC variants
> 
> Any feedback is appreciated,
> 
> Mehdi Djait
> 
> media_tree, base-commit: 2c1bae27df787c9535e48cc27bbd11c3c3e0a235
> 
> [1] https://lore.kernel.org/linux-media/20210401070802.1685823-1-maxime.chevallier@bootlin.com/
> 
> Mehdi Djait (3):
>   dt-bindings: vendor-prefixes: Add techwell vendor prefix
>   media: dt-bindings: media: i2c: Add bindings for TW9900
>   media: i2c: Introduce a driver for the Techwell TW9900 decoder
> 
>  .../bindings/media/i2c/techwell,tw9900.yaml   |  61 ++
>  .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
>  MAINTAINERS                                   |   6 +
>  drivers/media/i2c/Kconfig                     |  12 +
>  drivers/media/i2c/Makefile                    |   1 +
>  drivers/media/i2c/tw9900.c                    | 651 ++++++++++++++++++
>  6 files changed, 733 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml
>  create mode 100644 drivers/media/i2c/tw9900.c

-- 
Regards,

Laurent Pinchart