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| author |   Javier Martinez Canillas <javier@osg.samsung.com> | 2016-02-05 17:09:58 -0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-11 11:11:29 -0200 |
| commit | f7b4b54e63643b740c598e044874c4bffa0f04f2 (patch) | |
| tree | 842f95718a7eb8306d5e22e816867739bbbb1a3b /include/dt-bindings/media | |
| parent | [media] tvp5150: document input connectors DT bindings (diff) | |
| download | wireguard-linux-f7b4b54e63643b740c598e044874c4bffa0f04f2.tar.xz wireguard-linux-f7b4b54e63643b740c598e044874c4bffa0f04f2.zip | |
[media] tvp5150: add HW input connectors support
The tvp5150 decoder has different input connectors. The actual list of
HW inputs depends on the device version but all have at least these 3:
1) Composite0
2) Composite1
3) S-Video
and some variants have a 4th possible input connector:
4) Signal generator
The driver currently uses the .s_routing callback to switch the input
connector but since these are separate HW blocks, it's better to use
media entities to represent the input connectors and their source pads
linked with the decoder's sink pad.
This allows user-space to use the MEDIA_IOC_SETUP_LINK ioctl to choose
the input connector. For example using the media-ctl user-space tool:
$ media-ctl -r -l '"Composite0":0->"tvp5150 1-005c":0[1]'
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/dt-bindings/media')
| -rw-r--r-- | include/dt-bindings/media/tvp5150.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/dt-bindings/media/tvp5150.h b/include/dt-bindings/media/tvp5150.h index dc347569854f..d30865222082 100644 --- a/include/dt-bindings/media/tvp5150.h +++ b/include/dt-bindings/media/tvp5150.h @@ -27,6 +27,8 @@ #define TVP5150_SVIDEO 2 #define TVP5150_GENERATOR 3 +#define TVP5150_INPUT_NUM 4 + /* TVP5150 HW outputs */ #define TVP5150_NORMAL 0 #define TVP5150_BLACK_SCREEN 1 |