Hi, On 09/10/2014 12:57 AM, Dmitry Torokhov wrote: > On Tue, Sep 09, 2014 at 03:07:21PM -0700, Andrew Duggan wrote: >> On 09/09/2014 10:06 AM, Dmitry Torokhov wrote: >>> On Tue, Sep 09, 2014 at 09:44:17AM +0200, Hans de Goede wrote: >>>> Hi, >>>> >>>> On 09/08/2014 06:55 PM, Dmitry Torokhov wrote: >>>>> ForcePads are found on HP EliteBook 1040 laptops. They lack any kind of >>>>> physical buttons, instead they generate primary button click when user >>>>> presses somewhat hard on the surface of the touchpad. Unfortunately they >>>>> also report primary button click whenever there are 2 or more contacts >>>>> on the pad, messing up all multi-finger gestures (2-finger scrolling, >>>>> multi-finger tapping, etc). To cope with this behavior we introduce a >>>>> delay (currently 50 msecs) in reporting primary press in case more >>>>> contacts appear. >>>>> >>>>> For now we are using DMI matching to detect ForcePads, hopefully we'll >>>>> be able to figure a better way down the road. >>>> What about using the pnp-id, in my experience with the recent lenovo >>>> laptops that tends to be more reliable. >>> Not sure. So far I only know of HP 1040 having it. FWIW: >>> >>> dtor@dtor-glaptop:~$ cat /sys/bus/pnp/drivers/i8042\ aux/00\:07/id >>> SYN300d >>> SYN0100 >>> SYN0002 >>> PNP0f13 >>> >>> I think if we see generalities we can switch over later. I hope >>> Chris/Andrew will come with a capability bit though :) >> >> The ForcePad capabilities bit is 1 << 15. > > Awesome, thanks! > > Then I guess the patch below is what we'll be needing for these devices. Yep, the patch looks good to me. Regards, Hans -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
