Phantom Update fixes Autofocus Issue on Droid
by sm on Nov.17, 2009, under Devices, News
The much reported camera auto-focus bug on the Droid suddenly disappeared this morning, giving much speculation to a secret OTA update, pushed by Verizon. In a strange twist, the bug turns out to be connected to the date and a rounding error causing the problem.
Huh? Why is the camera auto-focus using the date?
Dan Morrill from the Android Team confirms:
There’s a rounding-error bug in the camera driver’s autofocus routine (which uses a timestamp) that causes autofocus to behave poorly on a 24.5-day cycle. That is, it’ll work for 24.5 days, then have poor performance for 24.5 days, then work again.
The 17th is the start of a new “works correctly” cycle, so the devices will be fine for a while. A permanent fix is in the works.
The first bug-fix OTA Update is scheduled for December 11, which is before the next “funny” cycle kicks in. Let’s hope Verizon can make the date…
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