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[98.183.112.25]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-726afa4fa41sm2598776a34.68.2025.02.10.12.51.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 10 Feb 2025 12:51:30 -0800 (PST) Message-ID: <425af129-f13d-44d5-8d49-c928265d635f@baylibre.com> Date: Mon, 10 Feb 2025 14:51:29 -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 v2 0/2] iio: adc: ad4695: add oversampling support To: Trevor Gamblin , Michael Hennerich , =?UTF-8?Q?Nuno_S=C3=A1?= , Lars-Peter Clausen , Jonathan Cameron , Jonathan Corbet Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org References: <20250109-ad4695-oversampling-v2-0-a46ac487082c@baylibre.com> From: David Lechner Content-Language: en-US In-Reply-To: <20250109-ad4695-oversampling-v2-0-a46ac487082c@baylibre.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 1/9/25 12:47 PM, Trevor Gamblin wrote: > Add driver logic and documentation for the oversampling feature of the > AD469x parts from Analog Devices. For now, this only works with offload > support, and takes advantage of that mode's higher performance to make > oversampling possible on multiple channels with varying sampling > frequencies. Some significant rework of the driver had to be done in > order to conditionally support this feature, including use of > iio_scan_types to help determine the appropriate spi message > configurations depending on oversampling ratio. > > This series depends on David's recent SPI engine changes for adding > offload support: > > https://lore.kernel.org/all/20241211-dlech-mainline-spi-engine-offload-2-v6-0-88ee574d5d03@baylibre.com/ > > Signed-off-by: Trevor Gamblin > --- Tested-by: David Lechner