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staging: iio: add channel info for sampling frequency

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Adding channel info IIO_CHAN_INFO_SAMP_FREQ to select
different sampling frequency per channel wise.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Laxman Dewangan 2012-04-13 16:03:31 +05:30 committed by Greg Kroah-Hartman
parent 5b6bd35cc9
commit ce85a1cbcc
2 changed files with 6 additions and 0 deletions
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5
drivers/staging/iio/iio.h
View file

@ -36,6 +36,7 @@ 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_SAMP_FREQ,
};
#define IIO_CHAN_INFO_SHARED_BIT(type) BIT(type*2)
@ -81,6 +82,10 @@ enum iio_chan_info_enum {
#define IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY_SEPARATE_BIT \
IIO_CHAN_INFO_SEPARATE_BIT( \
IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY)
#define IIO_CHAN_INFO_SAMP_FREQ_SEPARATE_BIT \
IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_SAMP_FREQ)
#define IIO_CHAN_INFO_SAMP_FREQ_SHARED_BIT \
IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_SAMP_FREQ)
enum iio_endian {
IIO_CPU,

1
drivers/staging/iio/industrialio-core.c
View file

@ -90,6 +90,7 @@ 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_SAMP_FREQ] = "sampling_frequency",
};
const struct iio_chan_spec