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 <[email protected]>
---
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
