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Diffstat (limited to 'drivers/iio/industrialio-buffer.c')
-rw-r--r--drivers/iio/industrialio-buffer.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 0067e184c9ae..a04498231f94 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -1445,3 +1445,19 @@ void iio_buffer_put(struct iio_buffer *buffer)
kref_put(&buffer->ref, iio_buffer_release);
}
EXPORT_SYMBOL_GPL(iio_buffer_put);
+
+/**
+ * iio_device_attach_buffer - Attach a buffer to a IIO device
+ * @indio_dev: The device the buffer should be attached to
+ * @buffer: The buffer to attach to the device
+ *
+ * This function attaches a buffer to a IIO device. The buffer stays attached to
+ * the device until the device is freed. The function should only be called at
+ * most once per device.
+ */
+void iio_device_attach_buffer(struct iio_dev *indio_dev,
+ struct iio_buffer *buffer)
+{
+ indio_dev->buffer = iio_buffer_get(buffer);
+}
+EXPORT_SYMBOL_GPL(iio_device_attach_buffer);