iio_validate_scan_mask_onehot
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## Name

iio_validate_scan_mask_onehot — Validates that exactly one channel is selected

## Synopsis

`bool iio_validate_scan_mask_onehot (` | struct iio_dev * indio_dev,
| const unsigned long * mask`)`;

## Arguments

`indio_dev`

  the iio device

`mask`

  scan mask to be checked

## Description

Return true if exactly one bit is set in the scan mask, false otherwise. It can be used for devices where only one channel can be active for sampling at a time.

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