[PATCH AUTOSEL for 4.9 065/293] iio: buffer-dmaengine: Add missing header buffer_impl.h

[Sasha Levin]

From: Phil Reid <preid@xxxxxxxxxxxxxxxxx>

[ Upstream commit 7981dc07fe317e3506d706e5ef91b94da02656f4 ]

Add buffer_impl.h as buffer.h was split into interface for using and
for internals. Without this industrialio-buffer-dmaengine.c fails
to compile.

Fixes:
commit 33dd94cb972175249258329c4aaffddcc82c2005 ("iio:buffer.h - split
into buffer.h and buffer_impl.h")

Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
 drivers/iio/buffer/industrialio-buffer-dmaengine.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index 9fabed47053d..2b5a320f42c5 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -14,6 +14,7 @@
 
 #include <linux/iio/iio.h>
 #include <linux/iio/buffer.h>
+#include <linux/iio/buffer_impl.h>
 #include <linux/iio/buffer-dma.h>
 #include <linux/iio/buffer-dmaengine.h>
 
-- 
2.15.1