Op 8 jun 2011, om 14:42 heeft javier Martin het volgende geschreven: > On 8 June 2011 14:39, Guennadi Liakhovetski <g.liakhovetski@xxxxxx> wrote: >> On Wed, 8 Jun 2011, Koen Kooi wrote: >> >>> >>> Op 8 jun 2011, om 13:57 heeft Laurent Pinchart het volgende geschreven: >>> >>>> Hi Javier, >>>> >>>> I'm testing your patch on a 2.6.39 kernel. Here's what I get when loading the >>>> omap3-isp module. >>>> >>>> root@arago:~# modprobe omap3-isp >>>> [ 159.523681] omap3isp omap3isp: Revision 15.0 found >>>> [ 159.528991] omap-iommu omap-iommu.0: isp: version 1.1 >>>> [ 159.875701] omap_i2c omap_i2c.2: Arbitration lost >>>> [ 159.881622] mt9p031 2-0048: Failed to reset the camera >>>> [ 159.887054] omap3isp omap3isp: Failed to power on: -5 >>>> [ 159.892425] mt9p031 2-0048: Failed to power on device: -5 >>>> [ 159.898956] isp_register_subdev_group: Unable to register subdev mt9p031 >>>> >>>> Have you (or anyone else) seen that issue ? >>> >>> I build in both statically to avoid that problem. >> >> I used modules and it worked for me. > > Maybe u-boot version Laurent uses does not enable internal pull-up > resistors for i2c2 interface. > You could either use a different u-boot version or attach external > pull-up resistors to that interface. http://dominion.thruhere.net/koen/angstrom/beagleboard/2.6.39/MLO http://dominion.thruhere.net/koen/angstrom/beagleboard/2.6.39/u-boot.bin The above MLO and uboot enable the pullups and work will all released versions of the beagleboard. regards, Koen-- 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