From ec86cee5db72c906ad47ac8e33ffb4bbd9bbf15a Mon Sep 17 00:00:00 2001 From: Vladimir Kondratyev Date: Mon, 16 Aug 2021 23:12:01 +0300 Subject: [PATCH] evdev: Do not check maximal contact number for MT initialization This allows singletouch devices which use multitouch protocols to work. Reported by: Mark Kane (cherry picked from commit e40fec4ec9a7a6625b3e332d4f856eb1d05f0def) --- sys/dev/evdev/evdev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sys/dev/evdev/evdev.c b/sys/dev/evdev/evdev.c index 086ee36333d..bc28ae0734f 100644 --- a/sys/dev/evdev/evdev.c +++ b/sys/dev/evdev/evdev.c @@ -316,8 +316,7 @@ evdev_register_common(struct evdev_dev *evdev) } /* Initialize multitouch protocol type B states */ - if (bit_test(evdev->ev_abs_flags, ABS_MT_SLOT) && - evdev->ev_absinfo != NULL && MAXIMAL_MT_SLOT(evdev) > 0) + if (bit_test(evdev->ev_abs_flags, ABS_MT_SLOT)) evdev_mt_init(evdev); /* Estimate maximum report size */