Thread (14 messages) 14 messages, 5 authors, 2018-07-06
STALE2923d REVIEWED: 3 (3M)
Revisions (4)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v4 current

[PATCH v4 3/6] media: v4l2-fwnode: parse 'data-enable-active' prop

From: Jacopo Mondi <jacopo+renesas@jmondi.org>
Date: 2018-06-12 14:26:03
Also in: linux-arm-kernel, linux-media, linux-renesas-soc
Subsystem: media input infrastructure (v4l/dvb), the rest, v4l2 async and fwnode frameworks · Maintainers: Mauro Carvalho Chehab, Linus Torvalds, Sakari Ailus

Parse the newly defined 'data-enable-active' property in parallel endpoint
parsing function.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
---
 drivers/media/v4l2-core/v4l2-fwnode.c | 4 ++++
 include/media/v4l2-mediabus.h         | 2 ++
 2 files changed, 6 insertions(+)
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c
index 3f77aa3..6105191 100644
--- a/drivers/media/v4l2-core/v4l2-fwnode.c
+++ b/drivers/media/v4l2-core/v4l2-fwnode.c
@@ -154,6 +154,10 @@ static void v4l2_fwnode_endpoint_parse_parallel_bus(
 		flags |= v ? V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH :
 			V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW;
 
+	if (!fwnode_property_read_u32(fwnode, "data-enable-active", &v))
+		flags |= v ? V4L2_MBUS_DATA_ENABLE_HIGH :
+			V4L2_MBUS_DATA_ENABLE_LOW;
+
 	bus->flags = flags;
 
 }
diff --git a/include/media/v4l2-mediabus.h b/include/media/v4l2-mediabus.h
index 4d8626c..4bbb5f3 100644
--- a/include/media/v4l2-mediabus.h
+++ b/include/media/v4l2-mediabus.h
@@ -45,6 +45,8 @@
 /* Active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively. */
 #define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH		BIT(12)
 #define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW		BIT(13)
+#define V4L2_MBUS_DATA_ENABLE_HIGH		BIT(14)
+#define V4L2_MBUS_DATA_ENABLE_LOW		BIT(15)
 
 /* Serial flags */
 /* How many lanes the client can use */
-- 
2.7.4


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