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[98.183.112.25]) by smtp.gmail.com with ESMTPSA id 5614622812f47-3f40c3ad34asm1471933b6e.50.2025.02.20.13.28.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 20 Feb 2025 13:28:10 -0800 (PST) Message-ID: <42296bf2-2818-4224-9e52-d1fef59d8a76@baylibre.com> Date: Thu, 20 Feb 2025 15:28:09 -0600 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RESEND v3 06/17] Documentation: ABI: add wideband filter type to sysfs-bus-iio To: Jonathan Santos , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: lars@metafoo.de, Michael.Hennerich@analog.com, marcelo.schmitt@analog.com, jic23@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, jonath4nns@gmail.com, marcelo.schmitt1@gmail.com References: Content-Language: en-US From: David Lechner In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/12/25 12:16 PM, Jonathan Santos wrote: > The Wideband Low Ripple filter is used for AD7768-1 Driver. > Document wideband filter option into filter_type_available > attribute. > > Signed-off-by: Jonathan Santos > --- > v3 Changes: > * None, since we still did not agree on a better name for this filter type. > I'm convinced at this point that "wideband" is fine. > v2 Changes: > * Removed FIR mentions. > --- > Documentation/ABI/testing/sysfs-bus-iio | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index f83bd6829285..9b879e7732cd 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -2291,6 +2291,8 @@ Description: > * "sinc3+pf2" - Sinc3 + device specific Post Filter 2. > * "sinc3+pf3" - Sinc3 + device specific Post Filter 3. > * "sinc3+pf4" - Sinc3 + device specific Post Filter 4. > + * "wideband" - filter with wideband low ripple passband > + and sharp transition band. The description could perhaps be made a bit more generic though instead of using specifics from the AD7768-1 datasheet. Something along the lines of Jonathan's 'flattish to a wide range of frequencies' description. > > What: /sys/.../events/in_proximity_thresh_either_runningperiod > KernelVersion: 6.6