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author | Jonathan Cameron <jic23@cam.ac.uk> | 2011-12-05 21:37:10 +0000 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-12-08 11:36:10 -0800 |
commit | 5fb21c824e8ff22ae9361a789e8b845d72ae0557 (patch) | |
tree | 38f6d8285589fd6bbfd3576ef1d2a9ffc4bbcc40 /drivers/staging/iio/industrialio-core.c | |
parent | 94386ab0b4c5a4e15afae8542cb01caa2ff37594 (diff) | |
download | linux-5fb21c824e8ff22ae9361a789e8b845d72ae0557.tar.bz2 |
staging:iio:find iio channel from scan index util function
Useful for getting to the channel based on scan mask alone.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/industrialio-core.c')
-rw-r--r-- | drivers/staging/iio/industrialio-core.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index d8cd9e3c07a6..dbd1ce1ce7e9 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -89,6 +89,17 @@ static const char * const iio_chan_info_postfix[] = { = "filter_low_pass_3db_frequency", }; +const struct iio_chan_spec +*iio_find_channel_from_si(struct iio_dev *indio_dev, int si) +{ + int i; + + for (i = 0; i < indio_dev->num_channels; i++) + if (indio_dev->channels[i].scan_index == si) + return &indio_dev->channels[i]; + return NULL; +} + /** * struct iio_detected_event_list - list element for events that have occurred * @list: linked list header |