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[98.183.112.25]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-72732331fe0sm1729171a34.43.2025.02.20.14.38.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 20 Feb 2025 14:38:28 -0800 (PST) Message-ID: <3c54045c-6001-4f13-a421-f7f4844b6ccc@baylibre.com> Date: Thu, 20 Feb 2025 16:38:26 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RESEND v3 13/17] iio: adc: ad7768-1: add multiple scan types to support 16-bits mode 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: <854d64a0b431e66e70dcfeaf75bc6e40c4c25a78.1739368121.git.Jonathan.Santos@analog.com> Content-Language: en-US From: David Lechner In-Reply-To: <854d64a0b431e66e70dcfeaf75bc6e40c4c25a78.1739368121.git.Jonathan.Santos@analog.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/12/25 12:18 PM, Jonathan Santos wrote: > When the device is configured to Sinc5 filter and decimation x8, > output data is reduced to 16-bits in order to support 1 MHz of > sampling frequency due to clock limitation. It would be a bit more clear if this said that x8 is only possible with sinc5, so we don't have to check the filter type in the code. At first, I thought the code was missing that part of the check. > > Use multiple scan types feature to enable the driver to switch > scan type in runtime, making possible to support both 24-bit and > 16-bit resolution. > > Signed-off-by: Jonathan Santos > --- Reviewed-by: David Lechner