I'm having the same problem, just stopped working out of the blue this morning...
Rather inconvenient, and doesn't seem like a cheap fix. Pretty frustrating to say the least.
Motorola Atrix HD - ProBAM, 1.2.4 Motorola Razr (XT910) - Artmod v4.3 SE, Motorola Droid 1 - kfazz Jellybean 4.1.1
Samsung Galaxy Stellar - Stock 4.1.2 Rooted, Samsung Galaxy Captivate - 4.2.2 SlimBean
Sharp IS12SH - Stock 2.3.3 Rooted
HTC Hero GSM - VanillaEclair 6.0