Improve the documentation by providing examples on how to test camera capture on imx6q-sabresd via v4l2-ctl and Gstreamer. Signed-off-by: Fabio Estevam <festevam@xxxxxxxxx> --- Documentation/media/v4l-drivers/imx.rst | 42 +++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/Documentation/media/v4l-drivers/imx.rst b/Documentation/media/v4l-drivers/imx.rst index 37b944f12d93..c872cc84d9fc 100644 --- a/Documentation/media/v4l-drivers/imx.rst +++ b/Documentation/media/v4l-drivers/imx.rst @@ -670,6 +670,28 @@ Streaming can then begin on "ipu1_ic_prpenc capture" node. The v4l2-ctl tool can be used to select any supported YUV or RGB pixelformat on the capture device node. +In order to determine what is the /dev/video node correspondent to +"ipu1_ic_prpenc": + +.. code-block:: none + + # dmesg | grep ipu1_ic_prpenc | grep Registered + ipu1_ic_prpenc: Registered ipu1_ic_prpenc capture as /dev/video1 + +/dev/video1 is the streaming element in this case. + +Starting the streaming via v4l2-ctl: + +.. code-block:: none + + v4l2-ctl --stream-mmap -d /dev/video1 + +Starting the streaming via Gstreamer and sending the content to the display: + +.. code-block:: none + + gst-launch-1.0 v4l2src device=/dev/video1 ! kmssink + The following example configures unprocessed video capture pipeline to capture from the OV5640, transmitting on MIPI CSI-2 virtual channel 0: @@ -690,6 +712,26 @@ Streaming can then begin on "ipu1_csi0 capture" node. The v4l2-ctl tool can be used to select any supported YUV or RGB pixelformat on the capture device node. +In order to determine what is the /dev/video node correspondent to "ipu1_csi0": + +.. code-block:: none + + # dmesg | grep ipu1_csi0 | grep Registered + ipu1_csi0: Registered ipu1_csi0 capture as /dev/video0 + +/dev/video0 is the streaming element in this case. + +Starting the streaming via v4l2-ctl: + +.. code-block:: none + + v4l2-ctl --stream-mmap -d /dev/video0 + +Starting the streaming via Gstreamer and sending the content to the display: + +.. code-block:: none + + gst-launch-1.0 v4l2src device=/dev/video0 ! kmssink Known Issues ------------ -- 2.17.1
