On Thu, Feb 06, 2014 at 04:53:46PM +0000, TheDiveO wrote: > I have a ShuttlePRO v2 (Contour Design Inc) that identifies itself as a USB > HID. The kernel properly detects its and I can receive events from the > device. The ShuttlePRO v2 is a media controller for use with video editing > software, et cetera. It has a jog dial for frame-by-frame movement. Next, it > has a so-called shuttle, which is ring around the dial, but separate from > it. The shuttle can be turned CW and CCW up to 7 positions and a spring > ensures it returns to its center position when you take your hand off of it. > The shuttle is used to play forwards or backwards, with varying speed. > Finally, there are 15 buttons on the ShuttlePRO v2. > > However, there is an annoying quirk of which I don't at this time where it > comes from. The Linux event/input system does not report when the shuttle > returns to its home/center position. It seems as if the event sent by the > device gets swallowed. I know that the device sends such an event, as in > Windows there is no such problem. Similar, when turning the jog dial, every > 256th position gets swallowed as well. > > I suspect the device manufacturer to have messed up this, but I may be > wrong. Anyway, I'm looking for help to get around this annoying quirk. You might want to ask this on the linux-input mailing list, the developers there will know how to switch this to the proper event type you need. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html