linux-kernel - [PATCH v2 0/3] accel: adxl380: Add support for 1 kHz sampling frequency

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Message-Id: <20260115175350.1045887-1-flavra@baylibre.com>
Date: Thu, 15 Jan 2026 18:53:47 +0100
From: Francesco Lavra <flavra@...libre.com>
To: Ramona Gradinariu <ramona.gradinariu@...log.com>,
	Antoniu Miclaus <antoniu.miclaus@...log.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>,
	linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/3] accel: adxl380: Add support for 1 kHz sampling frequency

This series adds support for 1kHz sampling frequency for sensor variants
that implement low-power mode.
The first patch is a preparatory step to decouple sampling frequency values
from decimation filter settings, the second patch introduces a new helper
function to check whether activity/inactivity detection is enabled, and the
last patch adds support for the new sampling frequency value.
Tested on ADXL382.

Changes from v1 [1]:
- added Nuno's reviewed-by tag to patch 1
- modified reporting of available frequencies and setting of current
  frequency to reflect activity detection status (Jonathan)

[1] https://lore.kernel.org/linux-iio/20260107123518.4017292-1-flavra@baylibre.com/T/

Francesco Lavra (3):
  iio: accel: adxl380: Store sampling frequency index in odr struct
    member
  iio: accel: adxl380: Introduce helper function for activity detection
  iio: accel: adxl380: Add support for 1 kHz sampling frequency

 drivers/iio/accel/adxl380.c | 122 +++++++++++++++++++++++++-----------
 drivers/iio/accel/adxl380.h |  10 ++-
 2 files changed, 95 insertions(+), 37 deletions(-)

-- 
2.39.5