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Wed, 05 Nov 2025 01:56:38 -0800 (PST) Received: from localhost.localdomain ([78.211.196.46]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b723fe37b7asm440266866b.60.2025.11.05.01.56.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Nov 2025 01:56:38 -0800 (PST) From: Antoni Pokusinski To: jic23@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, marcelo.schmitt1@gmail.com Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Antoni Pokusinski Subject: [PATCH v3 0/3] iio: mpl3115: support for events Date: Wed, 5 Nov 2025 10:56:12 +0100 Message-Id: <20251105095615.4310-1-apokusinski01@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hello, The mpl3115 device can raise interrupts when a pressure or temperature threshold is crossed, this patchset adds support for them using IIO's events interface. In this v3 I updated pressure data retrieval, so that the measurements are now stored into u8[3], thanks for the explanation in v2. Some other small cosmetic changes as well. Kind regards, Antoni Pokusinski --- Changes since v2: (general) * added the patch tidying up the pressure data retrieval (u8[3] used) (patch 2/3 "add threshold support") * includes: removed unused linux/units.h * read_thresh: fixed comment formatting * interrupt_handler: val_press is now u8[3] instead of __be32 Changes since v1: (general) * squashed the cleanup patch * added the patch with the documentation update (patch 1/2 "add threshold event support") * patch description: explained changes in locking * read_event_config: replaced switch with ifs * read_event_config: return as early as possible, got rid of int_en_mask * read/write_thresh: pressure: calculation changes to comply with raw ABI * interrupt_handler: reordered the INT_SRC_* bits in if condition * read/write_thresh: used sizeof() and values from limits.h * write_thresh: replaced `u8 tmp[2]` with `__be16 tmp` * dropped the space between casting `(u8 *) &tmp` Antoni Pokusinski (3): iio: mpl3115: use get_unaligned_be24 to retrieve pressure data iio: mpl3115: add threshold events support iio: ABI: document pressure event attributes Documentation/ABI/testing/sysfs-bus-iio | 2 + drivers/iio/pressure/mpl3115.c | 225 ++++++++++++++++++++++-- 2 files changed, 214 insertions(+), 13 deletions(-) base-commit: 1d09cf18cc91d29f650ad9811ed4868d9304d6c7 -- 2.25.1