src/sys/dev/evdev, branch release/13.1.0 FreeBSD source tree evdev: Add parentheses around '-' expression in operand of '&'. 2021-11-30T21:45:30+00:00 John Baldwin jhb@FreeBSD.org 2021-09-15T16:03:18+00:00 1097f2f40d08f661cfbc84755570987f09feac71 This fixes a -Wparentheses error with GCC 9. Reviewed by: wulf Differential Revision: https://reviews.freebsd.org/D31947 (cherry picked from commit d99c87c8d54a02a229cbeaa19ec8784b1d5afbb9) 
This fixes a -Wparentheses error with GCC 9.

Reviewed by:	wulf
Differential Revision:	https://reviews.freebsd.org/D31947

(cherry picked from commit d99c87c8d54a02a229cbeaa19ec8784b1d5afbb9)
evdev: Fix a typo in a commit 2021-10-06T06:20:20+00:00 Gordon Bergling gbe@FreeBSD.org 2021-10-02T08:43:41+00:00 d58ccf3ba4f15f0cf0be4dc073c6a8f728b2d136 - s/prefered/preferred/ (cherry picked from commit efd8749fe5cccb6c3d6b5f3c3515bf89ad306bcc) 
- s/prefered/preferred/

(cherry picked from commit efd8749fe5cccb6c3d6b5f3c3515bf89ad306bcc)
evdev: Add support for automatic MT protocol type A to type B conversion. 2021-09-07T23:59:57+00:00 Vladimir Kondratyev wulf@FreeBSD.org 2021-08-24T22:53:56+00:00 45fd5fe9e97396f3dfdf399b8f84301db599b517 (cherry picked from commit d056693d7bc6c1b5f2c1612e5b34807f173e21c7) 
(cherry picked from commit d056693d7bc6c1b5f2c1612e5b34807f173e21c7)
evdev: Add implicit mode for touch tracking. 2021-09-07T23:59:35+00:00 Vladimir Kondratyev wulf@FreeBSD.org 2021-08-24T22:52:37+00:00 4174302b4a85fc048b10dd93183231e13c99ec56 In implicit mode assignment of slot number and tracking id is performed automatically on each synchronization requested by device driver. This is done with creation of intermediate buffer for multitouch events. This buffer holds untracked events until synchronization is requested by device driver. It is needed as touch assigment requires knowledges of all touch positions pushed in current and previous reports. (cherry picked from commit f76051c7dabe952b75127a8031d87d78b603be20) 
In implicit mode assignment of slot number and tracking id is performed
automatically on each synchronization requested by device driver.

This is done with creation of intermediate buffer for multitouch events.
This buffer holds untracked events until synchronization is requested by
device driver. It is needed as touch assigment requires
knowledges of all touch positions pushed in current and previous reports.

(cherry picked from commit f76051c7dabe952b75127a8031d87d78b603be20)
evdev: Import support for touch-tracking. 2021-09-07T23:59:12+00:00 Vladimir Kondratyev wulf@FreeBSD.org 2021-08-24T22:50:53+00:00 b79de251fc60429e3f5e0939eb001163d2a616f4 Touch tracking is a process of assignment of unique trackingID to each initiated contact on the surface. Keeping the trackingIDs persistent across multitouch reports requires solving of so called Euclidian Bipartite Matching problem. This commit imports EBM-solver implementation based on Dinitz-Kronrod algorithm to find minimum cost matching between contacts listed in two consecutive reports. Obtained from: OpenBSD (cherry picked from commit 4c0a134e32a7f4dec556fea15c8de22f69864492) 
Touch tracking is a process of assignment of unique trackingID to each
initiated contact on the surface.  Keeping the trackingIDs persistent
across multitouch reports requires solving of so called Euclidian
Bipartite Matching problem.

This commit imports EBM-solver implementation based on Dinitz-Kronrod
algorithm to find minimum cost matching between contacts listed in two
consecutive reports.

Obtained from:	OpenBSD

(cherry picked from commit 4c0a134e32a7f4dec556fea15c8de22f69864492)
evdev: Make MT tracking IDs monotonically increasing sequence. 2021-09-07T23:58:47+00:00 Vladimir Kondratyev wulf@FreeBSD.org 2021-08-24T22:48:33+00:00 f160aa0d3de33df408a70a33d2af00b5d3545dce (cherry picked from commit 66bd52f5e241bd2548015f847f12cdff69176c40) 
(cherry picked from commit 66bd52f5e241bd2548015f847f12cdff69176c40)
evdev: Give short aliases to items of evdev_mt_slot array 2021-09-07T23:58:25+00:00 Vladimir Kondratyev wulf@FreeBSD.org 2021-08-24T22:47:34+00:00 759a5cd1efb915dc6eae52ce9c44da4337a9ee90 with using of unioned anonymous structure. Access to the same data by using different members of union generally works despite it is not supported by C specs. Also add helper function to report entire slot state. (cherry picked from commit 059360287e3344f48f5a7839e2d6d54016b18b19) 
with using of unioned anonymous structure.

Access to the same data by using different members of union generally
works despite it is not supported by C specs.

Also add helper function to report entire slot state.

(cherry picked from commit 059360287e3344f48f5a7839e2d6d54016b18b19)
evdev: Normalize width and pressure of single touch compat events 2021-09-07T23:57:57+00:00 Vladimir Kondratyev wulf@FreeBSD.org 2021-08-24T22:46:49+00:00 de6d60ee1c86054563f4ff9eceaf988403d8b56c to match Synaptics touchpad reporting range. (cherry picked from commit 127e54deb6d8899e1dc1bc6251d512e19f21b0f1) 
to match Synaptics touchpad reporting range.

(cherry picked from commit 127e54deb6d8899e1dc1bc6251d512e19f21b0f1)
evdev: force no fuzz for autogenerated single touch compat events. 2021-09-07T23:57:34+00:00 Vladimir Kondratyev wulf@FreeBSD.org 2021-08-24T22:45:50+00:00 de20578e6dd2f0354024e1e1527b38cf62e28e1a As fuzz has already been applied on multitouch event processing. This allows to remove existing workaround for double fuzz procesing. (cherry picked from commit 314913ed7c6e6e1b7c80a1063620f478961419b7) 
As fuzz has already been applied on multitouch event processing.
This allows to remove existing workaround for double fuzz procesing.

(cherry picked from commit 314913ed7c6e6e1b7c80a1063620f478961419b7)
evdev: Send first active rather than 0-th slot state as ST report 2021-09-07T23:57:11+00:00 Vladimir Kondratyev wulf@FreeBSD.org 2021-08-24T22:45:16+00:00 f7d9821cdb06604616a695ef2514116e5e0175d4 (cherry picked from commit fbe17f9017e785dd564ce7fc5553a9136d3a0b03) 
(cherry picked from commit fbe17f9017e785dd564ce7fc5553a9136d3a0b03)