This patch adds a "newavmode" boolean property as part of the v4l2 endpoint
properties. This indicates an Analog Devices decoder is generating EAV/SAV
codes to suit Analog Devices encoders.
Signed-off-by: Steve Longerbeam <steve_longerb...@mentor.com>
Cc: Mauro Carvalho Chehab <mche...@osg.samsung.com>
Cc: Javier Martinez Canillas <jav...@osg.samsung.com>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: Sakari Ailus <sakari.ai...@linux.intel.com>
---
Documentation/devicetree/bindings/media/video-interfaces.txt | 2 ++
drivers/media/v4l2-core/v4l2-of.c | 4 ++++
include/media/v4l2-mediabus.h | 5 +++++
3 files changed, 11 insertions(+)
diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt
b/Documentation/devicetree/bindings/media/video-interfaces.txt
index 9cd2a36..6f2df51 100644
--- a/Documentation/devicetree/bindings/media/video-interfaces.txt
+++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
@@ -88,6 +88,8 @@ Optional endpoint properties
- field-even-active: field signal level during the even field data
transmission.
- pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock
signal.
+- newavmode: a boolean property to indicate an Analog Devices decoder is
+ operating in NEWAVMODE. Valid for BT.656 busses only.
- sync-on-green-active: active state of Sync-on-green (SoG) signal, 0/1 for
LOW/HIGH respectively.
- data-lanes: an array of physical data lane indexes. Position of an entry
diff --git a/drivers/media/v4l2-core/v4l2-of.c
b/drivers/media/v4l2-core/v4l2-of.c
index 93b3368..719a7d1 100644
--- a/drivers/media/v4l2-core/v4l2-of.c
+++ b/drivers/media/v4l2-core/v4l2-of.c
@@ -109,6 +109,10 @@ static void v4l2_of_parse_parallel_bus(const struct
device_node *node,
flags |= v ? V4L2_MBUS_DATA_ACTIVE_HIGH :
V4L2_MBUS_DATA_ACTIVE_LOW;
+ if (endpoint->bus_type == V4L2_MBUS_BT656 &&
+ of_get_property(node, "newavmode", &v))
+ flags |= V4L2_MBUS_NEWAVMODE;
+
if (of_get_property(node, "slave-mode", &v))
flags |= V4L2_MBUS_SLAVE;
else
diff --git a/include/media/v4l2-mediabus.h b/include/media/v4l2-mediabus.h
index 34cc99e..0bd5f0e 100644
--- a/include/media/v4l2-mediabus.h
+++ b/include/media/v4l2-mediabus.h
@@ -43,6 +43,11 @@
/* Active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively.
*/
#define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH (1 << 12)
#define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW (1 << 13)
+/*
+ * BT.656 specific flags
+ */
+/* Analog Device's NEWAVMODE */
+#define V4L2_MBUS_NEWAVMODE (1 << 14)
/* Serial flags */
/* How many lanes the client can use */
--
1.9.1
--
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