[media] s5p-fimc: Add v4l2_device notification support for single frame capture

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/s5p_fimc.h b/include/media/s5p_fimc.h
index 086a7aa..2b58904 100644
--- a/include/media/s5p_fimc.h
+++ b/include/media/s5p_fimc.h
@@ -60,4 +60,13 @@
 	struct s5p_fimc_isp_info *isp_info;
 	int num_clients;
 };
+
+/*
+ * v4l2_device notification id. This is only for internal use in the kernel.
+ * Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single
+ * frame capture mode when there is only one VSYNC pulse issued by the sensor
+ * at begining of the frame transmission.
+ */
+#define S5P_FIMC_TX_END_NOTIFY _IO('e', 0)
+
 #endif /* S5P_FIMC_H_ */