diff options
Diffstat (limited to 'drivers/iio/industrialio-buffer.c')
| -rw-r--r-- | drivers/iio/industrialio-buffer.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 831537cc9500..5eb991b24dff 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -358,6 +358,19 @@ static int iio_scan_mask_clear(struct iio_buffer *buffer, int bit) return 0; } +static int iio_scan_mask_query(struct iio_dev *indio_dev, + struct iio_buffer *buffer, int bit) +{ + if (bit > indio_dev->masklength) + return -EINVAL; + + if (!buffer->scan_mask) + return 0; + + /* Ensure return value is 0 or 1. */ + return !!test_bit(bit, buffer->scan_mask); +}; + static ssize_t iio_scan_el_store(struct device *dev, struct device_attribute *attr, const char *buf, @@ -1340,20 +1353,6 @@ bool iio_validate_scan_mask_onehot(struct iio_dev *indio_dev, } EXPORT_SYMBOL_GPL(iio_validate_scan_mask_onehot); -int iio_scan_mask_query(struct iio_dev *indio_dev, - struct iio_buffer *buffer, int bit) -{ - if (bit > indio_dev->masklength) - return -EINVAL; - - if (!buffer->scan_mask) - return 0; - - /* Ensure return value is 0 or 1. */ - return !!test_bit(bit, buffer->scan_mask); -}; -EXPORT_SYMBOL_GPL(iio_scan_mask_query); - static const void *iio_demux(struct iio_buffer *buffer, const void *datain) { |
