[PATCH 01/10] iio: buffer: add helper for setting direction

[Nuno Sa via B4 Relay <devnull+nuno.sa.analog.com@kernel.org>]

From: Nuno Sa <nuno.sa@analog.com>

Simple helper for setting the buffer direction when it's allocated using
iio_dmaengine_buffer_alloc().

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
---
 drivers/iio/industrialio-buffer.c | 7 +++++++
 include/linux/iio/buffer.h        | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 1d950a3e153b..4b1ca6ad86ee 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -1956,6 +1956,13 @@ void iio_buffer_put(struct iio_buffer *buffer)
 }
 EXPORT_SYMBOL_GPL(iio_buffer_put);
 
+void iio_buffer_set_dir(struct iio_buffer *buffer,
+			enum iio_buffer_direction dir)
+{
+	buffer->direction = dir;
+}
+EXPORT_SYMBOL_GPL(iio_buffer_set_dir);
+
 /**
  * iio_device_attach_buffer - Attach a buffer to a IIO device
  * @indio_dev: The device the buffer should be attached to
diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h
index 418b1307d3f2..7e70bb5adc01 100644
--- a/include/linux/iio/buffer.h
+++ b/include/linux/iio/buffer.h
@@ -55,4 +55,7 @@ bool iio_validate_scan_mask_onehot(struct iio_dev *indio_dev,
 int iio_device_attach_buffer(struct iio_dev *indio_dev,
 			     struct iio_buffer *buffer);
 
+void iio_buffer_set_dir(struct iio_buffer *buffer,
+			enum iio_buffer_direction dir);
+
 #endif /* _IIO_BUFFER_GENERIC_H_ */

-- 
2.44.0