From: eLinux.org

Android Hardware Fixes

Fixing Android Hardware

G1 hardware fixes

Acceleromters stopped working

If your acceleromters stop working, try the following:

• Try removing the file “akmd_set.txt” can wake it back up. Word is:
  • Remove /data/misc/akmd_set.txt and reboot your phone (or kill
    akmd process)

Category:

• Android