Signed-off-by: Martin Fuzzey <mfuzzey@xxxxxxxxxxx>
---
Documentation/ABI/testing/sysfs-bus-iio | 10 ++++++++++
drivers/iio/industrialio-core.c | 2 ++
include/linux/iio/iio.h | 1 +
3 files changed, 13 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index a9757dc..4825139 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -340,6 +340,16 @@ 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_magn_filter_high_pass_3db_frequency
+What: /sys/.../in_anglvel_filter_high_pass_3db_frequency
+KernelVersion: 3.17
+Contact: linux-iio@xxxxxxxxxxxxxxx
+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
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index fa06197..967468d 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -103,6 +103,8 @@ static const char * const iio_chan_info_postfix[] = {
[IIO_CHAN_INFO_AVERAGE_RAW] = "mean_raw",
[IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY]
= "filter_low_pass_3db_frequency",
+ [IIO_CHAN_INFO_HIGH_PASS_FILTER_3DB_FREQUENCY]
+ = "filter_high_pass_3db_frequency",
[IIO_CHAN_INFO_SAMP_FREQ] = "sampling_frequency",
[IIO_CHAN_INFO_FREQUENCY] = "frequency",
[IIO_CHAN_INFO_PHASE] = "phase",
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index ccde917..88a255d 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -31,6 +31,7 @@ enum iio_chan_info_enum {
IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW,
IIO_CHAN_INFO_AVERAGE_RAW,
IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY,
+ IIO_CHAN_INFO_HIGH_PASS_FILTER_3DB_FREQUENCY,
IIO_CHAN_INFO_SAMP_FREQ,
IIO_CHAN_INFO_FREQUENCY,
IIO_CHAN_INFO_PHASE,
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