diff options
| author | Marcus Glocker <mglocker@cvs.openbsd.org> | 2019-01-26 11:57:22 +0000 |
|---|---|---|
| committer | Marcus Glocker <mglocker@cvs.openbsd.org> | 2019-01-26 11:57:22 +0000 |
| commit | d95b24f86fcbe651e46d0406c9fae696713dc63c (patch) | |
| tree | b205fb8f21cb9c8f2b22038e34472078a7f17c12 | |
| parent | 7f1ae736415733d5f862e1468f6a0499fd843f49 (diff) | |
Wait a bit for the set mode command to complete for Synaptics devices to
make sure that the device doesn't get enabled before, which would make it
fail.
Fixes regular occurring 'not in sync yet, discard input' issue seen on
ThinkPad X1 Gen6.
ok deraadt@
| -rw-r--r-- | sys/dev/pckbc/pms.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/pckbc/pms.c b/sys/dev/pckbc/pms.c index 95f1e4fd3a6..8704e12f7f7 100644 --- a/sys/dev/pckbc/pms.c +++ b/sys/dev/pckbc/pms.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pms.c,v 1.87 2018/05/13 14:48:19 bru Exp $ */ +/* $OpenBSD: pms.c,v 1.88 2019/01/26 11:57:21 mglocker Exp $ */ /* $NetBSD: psm.c,v 1.11 2000/06/05 22:20:57 sommerfeld Exp $ */ /*- @@ -962,6 +962,12 @@ synaptics_set_mode(struct pms_softc *sc, int mode) pms_set_rate(sc, SYNAPTICS_CMD_SET_MODE)) return (-1); + /* + * Make sure that the set mode command has finished. + * Otherwise enabling the device before that will make it fail. + */ + delay(10000); + syn->mode = mode; return (0); |