On 07/22/2011 09:11 PM, Daniel Kurtz wrote: > On Sat, Jul 23, 2011 at 9:02 AM, Chase Douglas > <chase.douglas@xxxxxxxxxxxxx> wrote: >> >> On 07/20/2011 06:39 AM, djkurtz@xxxxxxxxxxxx wrote: >>> From: Daniel Kurtz <djkurtz@xxxxxxxxxxxx> >>> >>> Synaptics image sensor touchpads track up to 5 fingers, but only report 2. >>> They use a special "TYPE=2" (AGM-CONTACT) packet type that reports >>> the number of tracked fingers and which finger is reported in the SGM >>> and AGM packets. >>> >>> With this new packet type, it is possible to tell userspace when 4 or 5 >>> fingers are touching. >> >> Maybe I'm blind, but I don't see where the QUADTAP and QUINTAP values >> are set in the events. I see where the bits are set during >> initialization, but not during use. > > It's subtle. > The firmware actually report 4/5 in the AGM-CONTACT packet, which the > agm packet parser sets directly in mt_state->count. > This is then reported to userspace when synaptics_report_mt() calls > input_mt_report_finger_count(dev, mt_state->count), which now supports > QUINTTAP (see patch #8). Ahh, thanks! Conditional upon getting the previous patches merged in some fashion: Acked-by: Chase Douglas <chase.douglas@xxxxxxxxxxxxx> -- 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
