On 02/12/14 17:01, Dean Anderson wrote: > "./utils/v4l2-compliance/v4l2-compliance -s" > > Driver Info: > Driver name : s2255 > Card type : s2255 > Bus info : usb-0000:00:1a.7-3.6 > Driver version: 3.13.0 > Capabilities : 0x84000001 > Video Capture > Streaming > Device Capabilities > Device Caps : 0x04000001 > Video Capture > Streaming > > Compliance test for device /dev/video0 (not using libv4l2): > > Required ioctls: > test VIDIOC_QUERYCAP: OK > > Allow for multiple opens: > test second video open: OK > test VIDIOC_QUERYCAP: OK > test VIDIOC_G/S_PRIORITY: OK > > Debug ioctls: > test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported) > test VIDIOC_LOG_STATUS: OK > > Input ioctls: > test VIDIOC_G/S_TUNER: OK (Not Supported) > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported) > test VIDIOC_ENUMAUDIO: OK (Not Supported) > test VIDIOC_G/S/ENUMINPUT: OK > test VIDIOC_G/S_AUDIO: OK (Not Supported) > Inputs: 1 Audio Inputs: 0 Tuners: 0 > > Output ioctls: > test VIDIOC_G/S_MODULATOR: OK (Not Supported) > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > test VIDIOC_ENUMAUDOUT: OK (Not Supported) > test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported) > test VIDIOC_G/S_AUDOUT: OK (Not Supported) > Outputs: 0 Audio Outputs: 0 Modulators: 0 > > Control ioctls: > test VIDIOC_QUERYCTRL/MENU: OK > test VIDIOC_G/S_CTRL: OK > test VIDIOC_G/S/TRY_EXT_CTRLS: OK > test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK > warn: v4l2-test-controls.cpp(753): The VIDIOC_G_JPEGCOMP ioctl is deprecated! > warn: v4l2-test-controls.cpp(770): The VIDIOC_S_JPEGCOMP ioctl is deprecated! > test VIDIOC_G/S_JPEGCOMP: OK > Standard Controls: 7 Private Controls: 1 > > Input/Output configuration ioctls: > test VIDIOC_ENUM/G/S/QUERY_STD: OK > test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported) > test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported) > > Format ioctls: > test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK > test VIDIOC_G/S_PARM: OK > test VIDIOC_G_FBUF: OK (Not Supported) > test VIDIOC_G_FMT: OK > warn: v4l2-test-formats.cpp(599): TRY_FMT cannot handle an invalid pixelformat. > warn: v4l2-test-formats.cpp(600): This may or may not be a problem. For more information see: > warn: v4l2-test-formats.cpp(601): http://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg56550.html > test VIDIOC_TRY_FMT: OK > warn: v4l2-test-formats.cpp(786): S_FMT cannot handle an invalid pixelformat. > warn: v4l2-test-formats.cpp(787): This may or may not be a problem. For more information see: > warn: v4l2-test-formats.cpp(788): http://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg56550.html > test VIDIOC_S_FMT: OK > test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported) > > Codec ioctls: > test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported) > test VIDIOC_G_ENC_INDEX: OK (Not Supported) > test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported) > > Buffer ioctls: > warn: v4l2-test-buffers.cpp(343): VIDIOC_CREATE_BUFS not supported > test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK > fail: v4l2-test-buffers.cpp(379): ret < 0 && errno != EINVAL You added read() support, but did not add V4L2_CAP_READWRITE to querycap. The following errors are a knock-on effect of that since the driver is still in read() mode so attempts to call REQBUFS will fail. I should see if I can improve that in v4l2-compliance. Regards, Hans > test read/write: FAIL > fail: v4l2-test-buffers.cpp(537): can_stream > test MMAP: FAIL > fail: v4l2-test-buffers.cpp(641): can_stream > test USERPTR: FAIL > > Total: 39, Succeeded: 36, Failed: 3, Warnings: 9 -- 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
