V4L/DVB (4202): allow selecting CX2341x port mode

CX2341X port was always set to 'memory', but 'streaming' is also possible

ivtv uses the memory (DMA) interface with the CX2341X, while pvrusb2 and
cx88-blackbird use the streaming interface. This setting is now selectable
by the driver.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/media/cx2341x.h b/include/media/cx2341x.h
index 0c9292fa5f6d..fb170d4b5235 100644
--- a/include/media/cx2341x.h
+++ b/include/media/cx2341x.h
@@ -19,8 +19,15 @@
 #ifndef CX2341X_H
 #define CX2341X_H
 
+enum cx2341x_port {
+        CX2341X_PORT_MEMORY,
+        CX2341X_PORT_STREAMING,
+        CX2341X_PORT_SERIAL
+};
+
 struct cx2341x_mpeg_params {
         /* misc */
+        enum cx2341x_port port;
         u16 width;
         u16 height;
         u16 is_50hz;