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iio:buffer: Stop exporting iio_scan_mask_query

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Nothing uses it outside of core code.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Jonathan Cameron 2017-01-02 19:28:27 +00:00
parent 9f4667776c
commit c2bf8d5f32
2 changed files with 13 additions and 17 deletions
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27
drivers/iio/industrialio-buffer.c
View File

@ -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)
{

3
include/linux/iio/buffer.h
View File

@ -161,9 +161,6 @@ int iio_update_buffers(struct iio_dev *indio_dev,
**/
void iio_buffer_init(struct iio_buffer *buffer);
int iio_scan_mask_query(struct iio_dev *indio_dev,
struct iio_buffer *buffer, int bit);
/**
* iio_push_to_buffers() - push to a registered buffer.
* @indio_dev: iio_dev structure for device.