I'm having some trouble using gstreamer with soc_camera and am a modified tw9910 driver. I had difficulties compiling the latest sources for my target so I'm using old kernel and gstreamer versions. But my question may still be valid, because the problem doesn't seem to be fixed and this may be interesting for driver programming in the future. The part I'm suspecting is if (v4l2_ioctl (fd, VIDIOC_S_FMT, &format) < 0) { if (errno != EINVAL) goto set_fmt_failed; [v4l2src_calls.c,1223] According to V4L2 api documentation drivers should set errno, but all drivers I've seen in the soc_camera framework (including soc_camera.c) only 'return -errno'. Should device drivers (like tw9910) set errno or should soc_camera use return values and set errno? Is it correct that none of them happens at the moment? -- DSL-Preisknaller: DSL Komplettpakete von GMX schon für 16,99 Euro mtl.!* Hier klicken: http://portal.gmx.net/de/go/dsl02 -- 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