Hello Laurant, > With the media-ctl and yavta test applications, just run > > ./media-ctl -r -l '"mt9t001 3-005d":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP > CCDC":1->"OMAP3 ISP CCDC output":0[1]' > ./media-ctl -f '"mt9t001 3-005d":0[SGRBG10 1024x768], "OMAP3 ISP > CCDC":1[SGRBG10 1024x768]' > > ./yavta -f SGRBG10 -s 1024x768 -n 4 --capture=4 --skip 3 -F $(./media-ctl -e > "OMAP3 ISP CCDC output") > > Replace all occurences of 1024x768 by your sensor native resolution, and > "mt9t001 3-005d" by the sensur subdev name. I did as you said and everything works fine until I use yavta: Video format set: width: 2952 height: 1944 buffer size: 11508480 Video format: BA10 (30314142) 2952x1944 4 buffers requested. length: 11508480 offset: 0 Buffer 0 mapped at address 0x4016d000. length: 11508480 offset: 11509760 Buffer 1 mapped at address 0x40c67000. length: 11508480 offset: 23019520 Buffer 2 mapped at address 0x41761000. length: 11508480 offset: 34529280 Buffer 3 mapped at address 0x4225b000. Unable to start streaming: 22 This is in ret = ioctl(dev->fd, enable ? VIDIOC_STREAMON : VIDIOC_STREAMOFF, &type); errno 22 is: Invalid argument Any ideas where to look next? Thanks, Bastian > -- > Regards, > > Laurent Pinchart > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html