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libcamera: ipu3: Set pipe_mode based on stream configuration

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Set the ImgU pipe_mode control based on the active stream configuration.
Use 'Video' pipe mode unless the viewfinder stream is not active.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Jacopo Mondi 2019-05-31 10:53:27 +02:00
parent 3ef81b7f7f
commit cb21bb3311
1 changed files with 18 additions and 0 deletions
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18
src/libcamera/pipeline/ipu3/ipu3.cpp
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@ -22,6 +22,7 @@
#include "media_device.h" #include "media_device.h"
#include "pipeline_handler.h" #include "pipeline_handler.h"
#include "utils.h" #include "utils.h"
#include "v4l2_controls.h"
#include "v4l2_subdevice.h" #include "v4l2_subdevice.h"
#include "v4l2_videodevice.h" #include "v4l2_videodevice.h"
@ -194,6 +195,12 @@ private:
class PipelineHandlerIPU3 : public PipelineHandler class PipelineHandlerIPU3 : public PipelineHandler
{ {
public: public:
static constexpr unsigned int V4L2_CID_IPU3_PIPE_MODE = 0x009819c1;
enum IPU3PipeModes {
IPU3PipeModeVideo = 0,
IPU3PipeModeStillCapture = 1,
};
PipelineHandlerIPU3(CameraManager *manager); PipelineHandlerIPU3(CameraManager *manager);
CameraConfiguration *generateConfiguration(Camera *camera, CameraConfiguration *generateConfiguration(Camera *camera,
@ -559,6 +566,17 @@ int PipelineHandlerIPU3::configure(Camera *camera, CameraConfiguration *c)
if (ret) if (ret)
return ret; return ret;
/* Apply the "pipe_mode" control to the ImgU subdevice. */
V4L2ControlList ctrls;
ctrls.add(V4L2_CID_IPU3_PIPE_MODE, vfStream->active_ ?
IPU3PipeModeVideo :
IPU3PipeModeStillCapture);
ret = imgu->imgu_->setControls(&ctrls);
if (ret) {
LOG(IPU3, Error) << "Unable to set pipe_mode control";
return ret;
}
return 0; return 0;
} }