[PATCH] Input: elantech - force a module ignore ABS mode
STALE3432d
From: KT Liao <hidden>
Date: 2016-12-12 07:09:47
Also in:
lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
One Elan sample which sample version is 0x74 and hw_version is 0x04 has a bug in abs mode, so let it run in default mode Signed-off-by: KT Liao <redacted> --- drivers/input/mouse/elantech.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index db7d1d6..f1c2d10 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c@@ -1687,6 +1687,13 @@ int elantech_init(struct psmouse *psmouse) etd->samples[0], etd->samples[1], etd->samples[2]); } + if (etd->samples[1] == 0x74 && etd->hw_version == 0x03) { + /*This module has a bug in absolute mode, let it be defualt mode */ + psmouse_info(psmouse, + "This module only active in default mode\n"); + goto init_fail; + } + if (elantech_set_absolute_mode(psmouse)) { psmouse_err(psmouse, "failed to put touchpad into absolute mode.\n");
--
2.7.4