Messages in this thread | | | Date | Sat, 14 Jun 2003 00:57:14 +0100 (BST) | From | James Simmons <> | Subject | Re: [PATCH] Synaptics TouchPad driver for 2.5.70 |
| |
> > > > Just as a idea for API. How about ABS_AREA or REL_AREA instead of > > > > ABS_MISC. The idea is the pressure value returned should be about > > > > the same if one presses hard with one finger or softly with a whole > > > > hand. > > > > > > Huh? Force = Pressure x Area ... I think you're mixing up force and > > > pressure here. > > > > OOps. Your right. I'm thinking the hardware returns a force value. What I > > meant is since we have the hardware returning the pressure and the area > > this data can be used. Knowing the area over which a pressure is applied > > is a good thing. What do you think? > > Definitely. Still it doesn't cover the multi-tap/gesture stuff.
How about EV_AREA codes = "which area" 1, 2, 3 value = "How big of a area"
struct input_event { struct timeval time; __u16 type; EV_AREA __u16 code; AREA_1 __s32 value; 20 };
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |