Hi Gary, On Thursday 19 January 2012 14:13:53 Gary Thomas wrote: > On 2012-01-19 05:50, Laurent Pinchart wrote: > > On Thursday 19 January 2012 13:41:57 Gary Thomas wrote: > >> On 2012-01-17 08:33, Laurent Pinchart wrote: > >> <snip> > >>> > >>> I already had a couple of YUV support patches in my OMAP3 ISP tree at > >>> git.kernel.org. I've rebased them on top of the lastest V4L/DVB tree > >>> and pushed them to > >>> http://git.linuxtv.org/pinchartl/media.git/shortlog/refs/heads/omap3isp > >>> - omap3isp-yuv. Could you please try them, and see if they're usable > >>> with your sensor ? > >> > >> I just tried this kernel with my board. The media control > >> infrastructure comes up and all of the devices are created, but I can't > >> access them. > >> > >> From the bootup log: > >> Linux media interface: v0.10 > >> Linux video capture interface: v2.00 > > > > Any message from the omap3isp driver and from the sensor driver ? > > No, it doesn't appear that the sensor was probed (or maybe it failed but > no messages). I'll check into this. Is the omap3-isp driver compiled as a module ? If so, make sure iommu2.ko is loaded first. 'rmmod omap3-isp && modprobe iommu2 && modprobe omap3-isp' is a quick way to test it. > Has the way of adding the sensors on the i2c bus changed? I have my > TVP5150 on a i2c-2 all by itself and with the 3.0+ kernel, it was being > added when I initialized the camera subsystem. > > Do you have an example driver (like the BeagleBoard one that was in > your omap3isp-sensors-next branch previously)? > > >> When I try to access the devices: > >> root@cobra3530p73:~# media-ctl -p > >> Opening media device /dev/media0 > >> media_open_debug: Can't open media device /dev/media0 > >> Failed to open /dev/media0 > > > > Could you please strace that ? > > Attached. Looks like it blows up immediately. > > Note: my media-ctl program was built from SRCREV > 7266b1b5433b5644a06f05edf61c36864ab11683 > > >> The devices look OK to me: > >> root@cobra3530p73:~# ls -l /dev/v* /dev/med* > >> crw------- 1 root root 252, 0 Nov 8 10:44 /dev/media0 > >> crw-rw---- 1 root video 81, 7 Nov 8 10:44 /dev/v4l-subdev0 > >> crw-rw---- 1 root video 81, 8 Nov 8 10:44 /dev/v4l-subdev1 > >> crw-rw---- 1 root video 81, 9 Nov 8 10:44 /dev/v4l-subdev2 > >> crw-rw---- 1 root video 81, 10 Nov 8 10:44 /dev/v4l-subdev3 > >> crw-rw---- 1 root video 81, 11 Nov 8 10:44 /dev/v4l-subdev4 > >> crw-rw---- 1 root video 81, 12 Nov 8 10:44 /dev/v4l-subdev5 > >> crw-rw---- 1 root video 81, 13 Nov 8 10:44 /dev/v4l-subdev6 > >> crw-rw---- 1 root video 81, 14 Nov 8 10:44 /dev/v4l-subdev7 > >> crw-rw---- 1 root video 81, 15 Nov 8 10:44 /dev/v4l-subdev8 > >> crw-rw---- 1 root tty 7, 0 Nov 8 10:44 /dev/vcs > >> crw-rw---- 1 root tty 7, 1 Nov 8 10:44 /dev/vcs1 > >> crw-rw---- 1 root tty 7, 128 Nov 8 10:44 /dev/vcsa > >> crw-rw---- 1 root tty 7, 129 Nov 8 10:44 /dev/vcsa1 > >> crw-rw---- 1 root video 81, 0 Nov 8 10:44 /dev/video0 > >> crw-rw---- 1 root video 81, 1 Nov 8 10:44 /dev/video1 > >> crw-rw---- 1 root video 81, 2 Nov 8 10:44 /dev/video2 > >> crw-rw---- 1 root video 81, 3 Nov 8 10:44 /dev/video3 > >> crw-rw---- 1 root video 81, 4 Nov 8 10:44 /dev/video4 > >> crw-rw---- 1 root video 81, 5 Nov 8 10:44 /dev/video5 > >> crw-rw---- 1 root video 81, 6 Nov 8 10:44 /dev/video6 > > > > Have the device nodes have been created manually ? > > No, automatically created by udev. -- 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
