linux-kernel - Re: [PATCH v3 0/5] iio: mcp9600: Features and improvements

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Message-ID: <20250816110918.76858b07@jic23-huawei>
Date: Sat, 16 Aug 2025 11:09:18 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Ben Collins <bcollins@...ter.com>
Cc: linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, Ben Collins <bcollins@...nel.org>, David
 Lechner <dlechner@...libre.com>, Nuno Sa <nuno.sa@...log.com>, Andy
 Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof
 Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Andrew
 Hepp <andrew.hepp@...pp.dev>
Subject: Re: [PATCH v3 0/5] iio: mcp9600: Features and improvements

On Fri, 15 Aug 2025 17:03:00 +0000
Ben Collins <bcollins@...ter.com> wrote:

> From: Ben Collins <bcollins@...nel.org>
Ah.   Given this didn't get threaded with the previous posting, it can end
up in a very different place in peoples in boxes.  If you miss a version
number or something like that just reply to the cover letter to say so.

Either way patchwork etc aren't going to figure out which version this
applies to.
> 
> ChangeLog:
> v2 -> v3:
>   - Improve changelogs in each patch
>   - Based on feedback from Andy Shevchenko <andy.shevchenko@...il.com>
>     * Set register offsets to fixed width
>     * Fix typos
>     * Future-proof Kconfig changes
>     * Convert to using chip_info paradigm
>     * Verbiage: dt -> firmware description
>     * Use proper specifiers and drop castings
>     * Fix register offset to be fixed-width
>     * u8 for cfg var
>     * Fix % type for u32 to be %u
>     * Make blank lines consistent between case statements
>     * FIELD_PREP -> FIELD_MODIFY
>     * Remove explicit setting of 0 value in filter_level
>   - Based on feedback from David Lechner <dlechner@...libre.com>
>     * Rework IIR values exposed to sysfs. Using the ratios, there was no
>       way to represent "disabled" (i.e. infinity). Based on the bmp280
>       driver I went with using the power coefficients (e.g. 1, 2, 4, 8,
>       ...) where 1 is disabled (n=0).
> 
> v1 -> v2:
>   - Break into individual patches
> 
> v1:
>   - Initial patch to enable IIR and thermocouple-type
>   - Recognize mcp9601
> 
> Ben Collins (5):
>   dt-bindings: iio: mcp9600: Add compatible for microchip,mcp9601
>   iio: mcp9600: White space cleanup for tab alignment
>   iio: mcp9600: Recognize chip id for mcp9601
>   iio: mcp9600: Add support for thermocouple-type
>   iio: mcp9600: Add support for IIR filter
> 
>  .../iio/temperature/microchip,mcp9600.yaml    |   6 +-
>  drivers/iio/temperature/Kconfig               |   8 +-
>  drivers/iio/temperature/mcp9600.c             | 209 ++++++++++++++++--
>  3 files changed, 201 insertions(+), 22 deletions(-)
>