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| author | Martin Fuzzey <mfuzzey@parkeon.com> | 2015-05-13 12:26:42 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-05-17 11:32:35 +0200 |
| commit | 3f7f642b9bc46453e1435e8b67f1c4f7949be7ff (patch) | |
| tree | 79d60fc1bea40f2426ced8909d270f46abeca332 /Documentation/ABI | |
| parent | iio: mma8452: Add access to registers via DebugFS (diff) | |
| download | linux-3f7f642b9bc46453e1435e8b67f1c4f7949be7ff.tar.xz linux-3f7f642b9bc46453e1435e8b67f1c4f7949be7ff.zip | |
iio: core: add high pass filter attributes
Add a high pass filter attribute for measurements
(like the existing low pass)
Also add both high and low pass attributes for events.
Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index e46c71fbd047..f66262c64e2f 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -420,6 +420,16 @@ Description: to the underlying data channel, then this parameter gives the 3dB frequency of the filter in Hz. +What: /sys/.../in_accel_filter_high_pass_3db_frequency +What: /sys/.../in_anglvel_filter_high_pass_3db_frequency +What: /sys/.../in_magn_filter_high_pass_3db_frequency +KernelVersion: 4.2 +Contact: linux-iio@vger.kernel.org +Description: + If a known or controllable high pass filter is applied + to the underlying data channel, then this parameter + gives the 3dB frequency of the filter in Hz. + What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw KernelVersion: 2.6.37 @@ -880,6 +890,26 @@ Description: met before an event is generated. If direction is not specified then this period applies to both directions. +What: /sys/.../events/in_accel_thresh_rising_low_pass_filter_3db +What: /sys/.../events/in_anglvel_thresh_rising_low_pass_filter_3db +What: /sys/.../events/in_magn_thresh_rising_low_pass_filter_3db +KernelVersion: 4.2 +Contact: linux-iio@vger.kernel.org +Description: + If a low pass filter can be applied to the event generation + this property gives its 3db frequency in Hz. + A value of zero disables the filter. + +What: /sys/.../events/in_accel_thresh_rising_high_pass_filter_3db +What: /sys/.../events/in_anglvel_thresh_rising_high_pass_filter_3db +What: /sys/.../events/in_magn_thresh_rising_high_pass_filter_3db +KernelVersion: 4.2 +Contact: linux-iio@vger.kernel.org +Description: + If a high pass filter can be applied to the event generation + this property gives its 3db frequency in Hz. + A value of zero disables the filter. + What: /sys/.../events/in_activity_still_thresh_rising_en What: /sys/.../events/in_activity_still_thresh_falling_en What: /sys/.../events/in_activity_walking_thresh_rising_en |