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Message-Id: <20250916-bmi270-v6-2-6acd8d26a862@gmail.com> Date: Tue, 16 Sep 2025 20:38:24 -0300 From: Gustavo Silva <gustavograzs@...il.com> To: Alex Lanzano <lanzano.alex@...il.com>, Jonathan Cameron <jic23@...nel.org>, David Lechner <dlechner@...libre.com>, Nuno Sá <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org> Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, Gustavo Silva <gustavograzs@...il.com> Subject: [PATCH v6 2/2] iio: ABI: document accelerometer event attributes Add ABI documentation for accelerometer event-related sysfs attributes exposed by the bmi270 driver. These include threshold, period, and enable controls for adaptive magnitude (any-motion) and rate of change (no-motion) event detection. Signed-off-by: Gustavo Silva <gustavograzs@...il.com> --- Documentation/ABI/testing/sysfs-bus-iio | 34 +++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 2fb2cea4b19249743398b1ff0b538b03ced0340b..b45d1ba6972848a6024746d7d741146e35a55ebb 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -908,6 +908,7 @@ What: /sys/.../iio:deviceX/events/in_accel_y_roc_rising_en What: /sys/.../iio:deviceX/events/in_accel_y_roc_falling_en What: /sys/.../iio:deviceX/events/in_accel_z_roc_rising_en What: /sys/.../iio:deviceX/events/in_accel_z_roc_falling_en +What: /sys/.../iio:deviceX/events/in_accel_x&y&z_roc_rising_en What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_rising_en What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_falling_en What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_rising_en @@ -991,6 +992,7 @@ What: /sys/.../events/in_accel_y_raw_thresh_rising_value What: /sys/.../events/in_accel_y_raw_thresh_falling_value What: /sys/.../events/in_accel_z_raw_thresh_rising_value What: /sys/.../events/in_accel_z_raw_thresh_falling_value +What: /sys/.../events/in_accel_mag_adaptive_rising_value What: /sys/.../events/in_anglvel_x_raw_thresh_rising_value What: /sys/.../events/in_anglvel_x_raw_thresh_falling_value What: /sys/.../events/in_anglvel_y_raw_thresh_rising_value @@ -1129,6 +1131,7 @@ Description: will get activated once in_voltage0_raw goes above 1200 and will become deactivated again once the value falls below 1150. +What: /sys/.../events/in_accel_roc_rising_value What: /sys/.../events/in_accel_x_raw_roc_rising_value What: /sys/.../events/in_accel_x_raw_roc_falling_value What: /sys/.../events/in_accel_y_raw_roc_rising_value @@ -1177,6 +1180,7 @@ Description: What: /sys/.../events/in_accel_x_thresh_rising_period What: /sys/.../events/in_accel_x_thresh_falling_period +What: /sys/.../events/in_accel_roc_rising_period What: /sys/.../events/in_accel_x_roc_rising_period What: /sys/.../events/in_accel_x_roc_falling_period What: /sys/.../events/in_accel_y_thresh_rising_period @@ -1187,6 +1191,7 @@ What: /sys/.../events/in_accel_z_thresh_rising_period What: /sys/.../events/in_accel_z_thresh_falling_period What: /sys/.../events/in_accel_z_roc_rising_period What: /sys/.../events/in_accel_z_roc_falling_period +What: /sys/.../events/in_accel_mag_adaptive_rising_period What: /sys/.../events/in_anglvel_x_thresh_rising_period What: /sys/.../events/in_anglvel_x_thresh_falling_period What: /sys/.../events/in_anglvel_x_roc_rising_period @@ -1344,6 +1349,15 @@ Description: number or direction is not specified, applies to all channels of this type. +What: /sys/.../iio:deviceX/events/in_accel_x_mag_adaptive_rising_en +What: /sys/.../iio:deviceX/events/in_accel_y_mag_adaptive_rising_en +What: /sys/.../iio:deviceX/events/in_accel_z_mag_adaptive_rising_en +KernelVersion: 2.6.37 +Contact: linux-iio@...r.kernel.org +Description: + Similar to in_accel_x_thresh[_rising|_falling]_en, but here the + magnitude of the channel is compared to the adaptive threshold. + What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_en What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_rising_en What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_falling_en @@ -2386,3 +2400,23 @@ Description: Value representing the user's attention to the system expressed in units as percentage. This usually means if the user is looking at the screen or not. + +What: /sys/.../events/in_accel_value_available +KernelVersion: 6.18 +Contact: linux-iio@...r.kernel.org +Description: + List of available threshold values for acceleration event + generation. Applies to all event types on in_accel channels. + Units after application of scale and offset are m/s^2. + Expressed as: + + - a range specified as "[min step max]" + +What: /sys/.../events/in_accel_period_available +KernelVersion: 6.18 +Contact: linux-iio@...r.kernel.org +Description: + List of available periods for accelerometer event detection in + seconds, expressed as: + + - a range specified as "[min step max]" -- 2.51.0
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