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iio: core: add high pass filter attributes

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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>
This commit is contained in:
Martin Fuzzey
2015-05-13 12:26:42 +02:00
committed by Jonathan Cameron
parent 2a17698c0e
commit 3f7f642b9b
5 changed files with 37 additions and 0 deletions
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1
include/linux/iio/iio.h
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@@ -32,6 +32,7 @@ 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,

2
include/linux/iio/types.h
View File

@@ -17,6 +17,8 @@ enum iio_event_info {
IIO_EV_INFO_VALUE,
IIO_EV_INFO_HYSTERESIS,
IIO_EV_INFO_PERIOD,
IIO_EV_INFO_HIGH_PASS_FILTER_3DB,
IIO_EV_INFO_LOW_PASS_FILTER_3DB,
};
#define IIO_VAL_INT 1