IPod Touch ambient light sensor not working?

Ok, I have an iPod Touch and everything works fine except for auto brightness. Whenever I cover up the light sensor nothing happens, the screen doesn't get lighter or darker...it just stays the same for some reason. The only way I can get auto brightness to work is if I put the iPod Touch into sleep mode and cut it back on again, then it seems to work. Does anyone else have this problem? Also, try covering up the sensor and see if the brightness changes at all, if you can. I have a feeling that my iPod may be defected.

Hey A_Legend,
+"If Auto-Brightness is on, iPod touch adjusts the screen brightness for current light conditions using the built-in ambient light sensor. "+ Page 75 of the iPod touch Features Guide.
http://manuals.info.apple.com/en/iPodtouch_FeaturesGuide.pdf
If you feel there is a hardware problem with the iPod touch, you can request repair online here:
https://selfsolve.apple.com/GetWarranty.do
Jason

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