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Only sync the initial MT state for Protocol B devices

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For protocol A devices we won't get the information from the kernel anyway and
we expect all axes to be updated in the next event.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Peter Hutterer 2014-04-01 15:12:56 +10:00
parent 7164e1d412
commit ca082d5fcb
1 changed files with 3 additions and 1 deletions
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4
libevdev/libevdev.c
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@ -395,7 +395,9 @@ libevdev_set_fd(struct libevdev* dev, int fd)
}
dev->fd = fd;
sync_mt_state(dev, 0);
if (!libevdev_has_event_code(dev, EV_ABS, ABS_MT_SLOT - 1) &&
libevdev_has_event_code(dev, EV_ABS, ABS_MT_SLOT))
sync_mt_state(dev, 0);
rc = init_event_queue(dev);
if (rc < 0) {