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Date: Sun, 16 Feb 2025 16:33:08 +0000
From: Jonathan Cameron <jic23@kernel.org>
To: Jonathan Santos <Jonathan.Santos@analog.com>
Cc: <linux-iio@vger.kernel.org>, <devicetree@vger.kernel.org>,
 <linux-kernel@vger.kernel.org>, <lars@metafoo.de>,
 <Michael.Hennerich@analog.com>, <marcelo.schmitt@analog.com>,
 <robh@kernel.org>, <krzk+dt@kernel.org>, <conor+dt@kernel.org>,
 <jonath4nns@gmail.com>, <marcelo.schmitt1@gmail.com>,
 <dlechner@baylibre.com>
Subject: Re: [PATCH RESEND v3 17/17] iio: adc: ad7768-1: add low pass -3dB
 cutoff attribute
Message-ID: <20250216163308.78680337@jic23-huawei>
In-Reply-To: <50098494d2d3d50fe914de1f966d86c6fff7ecfc.1739368121.git.Jonathan.Santos@analog.com>
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	<50098494d2d3d50fe914de1f966d86c6fff7ecfc.1739368121.git.Jonathan.Santos@analog.com>
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On Wed, 12 Feb 2025 15:19:10 -0300
Jonathan Santos <Jonathan.Santos@analog.com> wrote:

> Ad7768-1 has a different -3db frequency multiplier depending on
> the filter type configured. The cutoff frequency also varies according
> to the current ODR.
> 
> Add a readonly low pass -3dB frequency cutoff attribute to clarify to
> the user which bandwidth is being allowed depending on the filter
> configurations.
> 
> Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
> ---
> v3 Changes:
> * None
> 
> v2 Changes:
> * New patch in v2.
> 
> OBS: should i drop this?
I think keep it as potentially useful and is compliant with the ABI
even if a little unusual.

Jonathan