Comment 17 for bug 544469

Additional information. I tried adding trace=15 to the modprobe but still have the same issue.

[64935.165080] uvcvideo: Adding mapping Brightness to control 00000000-0000-0000-0000-000000000101/2.
[64935.165083] uvcvideo: Adding mapping Contrast to control 00000000-0000-0000-0000-000000000101/3.
[64935.165086] uvcvideo: Adding mapping Hue to control 00000000-0000-0000-0000-000000000101/6.
[64935.165089] uvcvideo: Adding mapping Saturation to control 00000000-0000-0000-0000-000000000101/7.
[64935.165097] uvcvideo: Adding mapping Sharpness to control 00000000-0000-0000-0000-000000000101/8.
[64935.165097] uvcvideo: Adding mapping Gamma to control 00000000-0000-0000-0000-000000000101/9.
[64935.165097] uvcvideo: Adding mapping Backlight Compensation to control 00000000-0000-0000-0000-000000000101/1.
[64935.165100] uvcvideo: Adding mapping Gain to control 00000000-0000-0000-0000-000000000101/4.
[64935.165102] uvcvideo: Adding mapping Power Line Frequency to control 00000000-0000-0000-0000-000000000101/5.
[64935.165105] uvcvideo: Adding mapping Hue, Auto to control 00000000-0000-0000-0000-000000000101/16.
[64935.165109] uvcvideo: Adding mapping Exposure, Auto to control 00000000-0000-0000-0000-000000000001/2.
[64935.165112] uvcvideo: Adding mapping Exposure, Auto Priority to control 00000000-0000-0000-0000-000000000001/3.
[64935.165240] uvcvideo: Adding mapping Exposure (Absolute) to control 00000000-0000-0000-0000-000000000001/4.
[64935.165243] uvcvideo: Adding mapping White Balance Temperature, Auto to control 00000000-0000-0000-0000-000000000101/11.
[64935.165246] uvcvideo: Adding mapping White Balance Temperature to control 00000000-0000-0000-0000-000000000101/10.
[64935.165250] uvcvideo: Adding mapping White Balance Component, Auto to control 00000000-0000-0000-0000-000000000101/13.
[64935.165253] uvcvideo: Adding mapping White Balance Blue Component to control 00000000-0000-0000-0000-000000000101/12.
[64935.165255] uvcvideo: Adding mapping White Balance Red Component to control 00000000-0000-0000-0000-000000000101/12.
[64935.165259] uvcvideo: Adding mapping Focus (absolute) to control 00000000-0000-0000-0000-000000000001/6.
[64935.165263] uvcvideo: Adding mapping Focus, Auto to control 00000000-0000-0000-0000-000000000001/8.
[64935.165266] uvcvideo: Adding mapping Zoom, Absolute to control 00000000-0000-0000-0000-000000000001/11.
[64935.165270] uvcvideo: Adding mapping Zoom, Continuous to control 00000000-0000-0000-0000-000000000001/12.
[64935.165274] uvcvideo: Adding mapping Privacy to control 00000000-0000-0000-0000-000000000001/17.
[64935.165296] uvcvideo: Probing generic UVC device 4
[64935.165306] uvcvideo: Found format YUV 4:2:2 (YUYV).
[64935.165308] uvcvideo: - 160x120 (30.0 fps)
[64935.165310] uvcvideo: - 176x144 (30.0 fps)
[64935.165311] uvcvideo: - 320x240 (30.0 fps)
[64935.165313] uvcvideo: - 352x288 (30.0 fps)
[64935.165314] uvcvideo: - 640x480 (30.0 fps)
[64935.165318] uvcvideo: Found a Status endpoint (addr 81).
[64935.165320] uvcvideo: Found UVC 1.00 device Built-in iSight (05ac:8507)
[64935.165323] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 4 entity 3
[64935.165326] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 4 entity 3
[64935.165328] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 4 entity 3
[64935.165331] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 4 entity 3
[64935.165333] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 4 entity 3
[64935.165341] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 4 entity 3
[64935.165341] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 4 entity 3
[64935.165341] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 to device 4 entity 3
[64935.165344] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 4 entity 3
[64935.165347] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 4 entity 3
[64935.165350] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 4 entity 1
[64935.165352] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 to device 4 entity 1
[64935.165355] uvcvideo: Scanning UVC chain: OT 2
[64935.165356] uvcvideo: Found reference to unknown entity 170.
[64935.165358] uvcvideo: No valid video chain found.
[64935.165412] usbcore: registered new interface driver uvcvideo
[64935.165434] USB Video Class driver (v0.1.0)