linux-kernel - Re: [PATCH v3 0/2] iio: health: max30100: Add DT LED pulse-width support

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Message-ID: <20251018160400.6921df6c@jic23-huawei>
Date: Sat, 18 Oct 2025 16:04:00 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Shrikant Raskar <raskar.shree97@...il.com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 dlechner@...libre.com, nuno.sa@...log.com, andy@...nel.org,
 matt@...ostay.sg, skhan@...uxfoundation.org, david.hunter.linux@...il.com,
 linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-kernel-mentees@...ts.linux.dev
Subject: Re: [PATCH v3 0/2] iio: health: max30100: Add DT LED pulse-width
 support

On Sun, 12 Oct 2025 23:00:33 +0530
Shrikant Raskar <raskar.shree97@...il.com> wrote:

> Add Device Tree support for configuring the LED pulse-width of the MAX30100
> sensor, and updates the driver to read and apply this property. 
> 
> Testing:
> - Verify DT property read successfully in probe().
> - Verify default fallback to 1600 us when DT property is omitted.
> - Confirm SPO2_CONFIG register programmed correctly using regmap_read().
> - Validate different DT pulse-width values (200, 400, 800, 1600 us)
>   are applied correctly.
> - Validate probe() failure for invalid LED pulse-width
> - Tested-on: Raspberry Pi 3B + MAX30100 breakout board
> 
> Changelog:
> Changes from v2:
> - Fix DT binding schema errors
> - Add default value
> - Remove changelog from commit message
> - Add missing header file
> 
> Shrikant Raskar (2):
>   dt-bindings: iio: health: max30100: Add LED pulse-width property
>   iio: health: max30100: Make LED pulse-width configurable via DT
> 
>  .../bindings/iio/health/maxim,max30100.yaml   |  8 ++++
>  drivers/iio/health/max30100.c                 | 38 +++++++++++++++++--
>  2 files changed, 43 insertions(+), 3 deletions(-)
> 
> 
> base-commit: 8bd9238e511d02831022ff0270865c54ccc482d6

Applied to the togreg branch of iio.git and pushed out as testing for now

Thanks,

Jonathan