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| author | Jonathan Cameron | 2011-11-27 12:39:12 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2011-11-27 20:22:23 +0100 |
| commit | df94aba81f81c50ff3f4774c121217b03aaf4f27 (patch) | |
| tree | 4f7cfb1348d7631709ab966ad44607305f6b810d /drivers/staging/iio/iio.h | |
| parent | Staging: comedi: fix brace coding style issue in pcmuio.c (diff) | |
| download | kernel-qcow2-linux-df94aba81f81c50ff3f4774c121217b03aaf4f27.tar.gz kernel-qcow2-linux-df94aba81f81c50ff3f4774c121217b03aaf4f27.tar.xz kernel-qcow2-linux-df94aba81f81c50ff3f4774c121217b03aaf4f27.zip | |
staging:iio: filter description - low pass 3db frequency.
Introduce the first data filtering related parameter.
For now we are ignoring the filter type and merely specifying its
approximate (I read them off tiny graphs) 3db point.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/iio.h')
| -rw-r--r-- | drivers/staging/iio/iio.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h index 66c2604c92c4..4aed915e9060 100644 --- a/drivers/staging/iio/iio.h +++ b/drivers/staging/iio/iio.h @@ -35,6 +35,7 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_PEAK_SCALE, IIO_CHAN_INFO_QUADRATURE_CORRECTION_RAW, IIO_CHAN_INFO_AVERAGE_RAW, + IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY, }; #define IIO_CHAN_INFO_SHARED_BIT(type) BIT(type*2) @@ -74,6 +75,12 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_AVERAGE_RAW) #define IIO_CHAN_INFO_AVERAGE_RAW_SHARED_BIT \ IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_AVERAGE_RAW) +#define IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SHARED_BIT \ + IIO_CHAN_INFO_SHARED_BIT( \ + IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY) +#define IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SEPARATE_BIT \ + IIO_CHAN_INFO_SEPARATE_BIT( \ + IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY) enum iio_endian { IIO_CPU, |