linux-kernel - [PATCH 0/2] Add support for WoM (Wake-on-Motion) feature

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Message-Id: <20250220-losd-3-inv-icm42600-add-wom-support-v1-0-9b937f986954@tdk.com>
Date: Thu, 20 Feb 2025 21:52:05 +0100
From: Jean-Baptiste Maneyrol via B4 Relay <devnull+jean-baptiste.maneyrol.tdk.com@...nel.org>
To: Jonathan Cameron <jic23@...nel.org>, 
 Lars-Peter Clausen <lars@...afoo.de>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@....com>
Subject: [PATCH 0/2] Add support for WoM (Wake-on-Motion) feature

Similar to feature present in older chip, it compares the magnitude of
the last 2 accel samples against a threshold and returns an interrupt
even if the value is higher.

WoM maps best to accel x|y|z ROC event. This series add system wakeup
functionality if WoM is on and wakeup is enabled when system suspends.

This series also prepare the driver for supporting further APEX
features like pedometer, tilt, ... It introduces an apex structure that
will hold all APEX settings and track the enable state.

Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@....com>
---
Jean-Baptiste Maneyrol (2):
      iio: imu: inv_icm42600: add WoM support
      iio: imu: inv_icm42600: add wakeup functionality for Wake-on-Motion

 drivers/iio/imu/inv_icm42600/inv_icm42600.h        |  49 +++-
 drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c  | 267 ++++++++++++++++++++-
 drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c |   2 +-
 drivers/iio/imu/inv_icm42600/inv_icm42600_core.c   | 125 ++++++++--
 4 files changed, 416 insertions(+), 27 deletions(-)
---
base-commit: c0f115a8d97599623294c8e9ec28530e19c1e85b
change-id: 20250220-losd-3-inv-icm42600-add-wom-support-0620fef9db23

Best regards,
-- 
Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@....com>