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From: "Rob Herring (Arm)" <robh@kernel.org>
To: Olivier Moysan <olivier.moysan@foss.st.com>
Cc: fabrice.gasnier@foss.st.com,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Jonathan Cameron <jic23@kernel.org>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-iio@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
	Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Subject: Re: [PATCH v6 5/9] dt-bindings: iio: add backend support to sd modulator
Date: Tue, 6 Aug 2024 08:49:33 -0600	[thread overview]
Message-ID: <172295577315.1501618.14038896087472078381.robh@kernel.org> (raw)
In-Reply-To: <20240730084640.1307938-6-olivier.moysan@foss.st.com>


On Tue, 30 Jul 2024 10:46:35 +0200, Olivier Moysan wrote:
> The legacy sd modulator driver registers the sigma delta modulator as
> an IIO channel provider. This implementation is not convenient when the
> SD modulator has to be cascaded with another IIO device. The scaling
> information is distributed across devices, which makes it difficult to
> report consistent scaling data on IIO devices.
> 
> The solution is to expose these cascaded IIO devices as an aggregate
> device, which report global scaling information.
> Add IIO backend support to SD modulator to allow scaling information
> management.
> 
> Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
> ---
>  .../iio/adc/sigma-delta-modulator.yaml         | 18 ++++++++++++++++--
>  1 file changed, 16 insertions(+), 2 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>


  reply	other threads:[~2024-08-06 14:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-30  8:46 [PATCH v6 0/9] iio: adc: dfsdm: add scaling support Olivier Moysan
2024-07-30  8:46 ` [PATCH v6 4/9] dt-bindings: iio: dfsdm: move to backend framework Olivier Moysan
2024-07-30  8:46 ` [PATCH v6 5/9] dt-bindings: iio: add backend support to sd modulator Olivier Moysan
2024-08-06 14:49   ` Rob Herring (Arm) [this message]
2024-07-30  8:46 ` [PATCH v6 6/9] dt-bindings: iio: add vref " Olivier Moysan
2024-08-06 14:49   ` Rob Herring (Arm)
2024-08-03 15:13 ` [PATCH v6 0/9] iio: adc: dfsdm: add scaling support Jonathan Cameron
2024-08-06 16:39   ` Jonathan Cameron

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