renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-04 11:24:04 +08:00
Code

[media] media: OF: add "sync-on-green-active" property

Browse Source 
This patch adds 'sync-on-green-active' property as part
of endpoint property.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Lad, Prabhakar 2013-08-11 02:02:24 -03:00 committed by Mauro Carvalho Chehab
parent edcaa49a2a
commit d1d70aa69d
3 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/media/video-interfaces.txt
View File

@ -88,6 +88,8 @@ Optional endpoint properties
- field-even-active: field signal level during the even field data transmission. - 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 - pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock
signal. signal.
- 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 - data-lanes: an array of physical data lane indexes. Position of an entry
determines the logical lane number, while the value of an entry indicates determines the logical lane number, while the value of an entry indicates
physical lane, e.g. for 2-lane MIPI CSI-2 bus we could have physical lane, e.g. for 2-lane MIPI CSI-2 bus we could have

4
drivers/media/v4l2-core/v4l2-of.c
View File

@ -100,6 +100,10 @@ static void v4l2_of_parse_parallel_bus(const struct device_node *node,
if (!of_property_read_u32(node, "data-shift", &v)) if (!of_property_read_u32(node, "data-shift", &v))
bus->data_shift = v; bus->data_shift = v;
if (!of_property_read_u32(node, "sync-on-green-active", &v))
flags |= v ? V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH :
V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW;
bus->flags = flags; bus->flags = flags;
} }

3
include/media/v4l2-mediabus.h
View File

@ -40,6 +40,9 @@
#define V4L2_MBUS_FIELD_EVEN_HIGH (1 << 10) #define V4L2_MBUS_FIELD_EVEN_HIGH (1 << 10)
/* FIELD = 1/0 - Field1 (odd)/Field2 (even) */ /* FIELD = 1/0 - Field1 (odd)/Field2 (even) */
#define V4L2_MBUS_FIELD_EVEN_LOW (1 << 11) #define V4L2_MBUS_FIELD_EVEN_LOW (1 << 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)
/* Serial flags */ /* Serial flags */
/* How many lanes the client can use */ /* How many lanes the client can use */