According to the "hardware info" app, the Dinc4G... Doesn't have a gyro! (the same app does show a gyro on my gf's Sensation)
Here 's a snap that list all 5 hw sensors that we have:
HTC Dinc4G LTE 1 (S-OFF)
... @ ChaOri-K99 4.00 w/ Fireball3410-K99 kernel JB43/Sense5.5 !!
HTC Dinc4G LTE 2 (S-OFF'ed _after_ the 2014-OTA!!!) ... @ Viper w/ InfernalK99-147u12
TWRP220.127.116.11n & PSM ...