[Android Software/Hacking General [Developers Only]] wolfen13fr:
The camera issue seems to come from V4l ... this my log on Camera app start :

10-09 17:17:06.616 V/CameraHolder(10019)open camera 0
10-09 17:17:06.616 I/FslCameraHAL(2206)Face Back Camera is ov, orient is 0
10-09 17:17:06.616 I/FslCameraHAL(2206)Face Front Camera is #, orient is 0
10-09 17:17:06.616 I/FslCameraHAL(2206)It is the CSI device
10-09 17:17:06.616 I/FslCameraHAL(2206)Create the software encoder
10-09 17:17:06.636 I/FslCameraHAL(2206)device name is /dev/video0
10-09 17:17:06.636 I/FslCameraHAL(2206)sensor name is ov2655_camera
10-09 17:17:06.636 I/FslCameraHAL(2206)mPreviewFormat :NV12
10-09 17:17:06.636 I/FslCameraHAL(2206)mUvcSpecialCaptureFormat :YUYV
10-09 17:17:06.636 I/FslCameraHAL(2206)mPreviewCapturedFormat :NV12
10-09 17:17:06.636 I/FslCameraHAL(2206)mPreviewCapturedFormat is 3231564e
10-09 17:17:06.636 I/FslCameraHAL(2206)the size is 640x480 , the framerate is 30
10-09 17:17:06.636 I/FslCameraHAL(2206)the size is 320x240 , the framerate is 30
10-09 17:17:06.636 I/FslCameraHAL(2206)the size is 1024x768 , the framerate is 15
10-09 17:17:06.636 I/FslCameraHAL(2206)the size is 1600x1200 , the framerate is 15
10-09 17:17:06.636 I/FslCameraHAL(2206)the size is 720x480 , the framerate is 30
10-09 17:17:06.636 I/FslCameraHAL(2206)the size is 720x576 , the framerate is 30
10-09 17:17:06.636 I/FslCameraHAL(2206)##The supportedPictureSizes is 640x480,320x240,1024x768,1600x1200,720x480,720x576##
10-09 17:17:06.636 I/FslCameraHAL(2206)##the supportedPreviewSizes is 640x480,320x240,720x480,720x576##
10-09 17:17:06.636 I/FslCameraHAL(2206)##the supportedFPS is 15,30##
10-09 17:17:06.636 I/FslCameraHAL(2206)created the fsl Camera hal
10-09 17:17:06.636 I/FslCameraHAL(2206)###the mesg enabled is d###
10-09 17:17:07.186 D/Camera (10019)app passed NULL surface
10-09 17:17:07.186 I/FslCameraHAL(2206)##the set preview size is 640x480 ##
10-09 17:17:07.186 I/FslCameraHAL(2206)##the set picture size is 1600x1200 ##
10-09 17:17:07.186 I/FslCameraHAL(2206)##the set frame rate is 30 ##
10-09 17:17:07.186 I/FslCameraHAL(2206)###the fps is 30000###
10-09 17:17:07.226 I/FslCameraHAL(2206)##the set preview size is 640x480 ##
10-09 17:17:07.226 I/FslCameraHAL(2206)##the set picture size is 1600x1200 ##
10-09 17:17:07.226 I/FslCameraHAL(2206)##the set frame rate is 30 ##
10-09 17:17:07.226 I/FslCameraHAL(2206)###the fps is 30000###
10-09 17:17:07.226 V/camera (10019)startPreview
10-09 17:17:07.226 I/FslCameraHAL(2206)The capture device already open
10-09 17:17:07.226 I/FslCameraHAL(2206)the mode is 0
10-09 17:17:07.306 E/FslCameraHAL(2206)V4l2SetConfig:215 VIDIOC_S_PARM failed
10-09 17:17:07.306 E/FslCameraHAL(2206)frame timeval is numerator 1, denominator 15
10-09 17:17:07.306 E/FslCameraHAL(2206)Dev config failed
10-09 17:17:07.306 E/FslCameraHAL(2206)PrepareCaptureDevices error
10-09 17:17:12.656 V/camera (10019)stopPreview
10-09 17:17:12.656 I/FslCameraHAL(2206)###the mesg disabled is 10###
10-09 17:17:12.656 I/FslCameraHAL(2206)Camera hal already stop preview
10-09 17:17:12.656 I/FslCameraHAL(2206)###the mesg disabled is 10###
10-09 17:17:12.656 I/FslCameraHAL(2206)Camera hal already stop preview
10-09 17:17:12.656 I/FslCameraHAL(2206)###the mesg disabled is 10###
10-09 17:17:12.656 I/FslCameraHAL(2206)###the mesg disabled is 1ff###
10-09 17:17:12.656 I/FslCameraHAL(2206)Camera hal already stop preview
10-09 17:17:12.656 I/FslCameraHAL(2206)Camera hal already stop preview
10-09 17:17:12.656 I/FslCameraHAL(2206)close the device