[PATCH V2 09/14] Input: ALPS - Fix command mode check
From: Kevin Cernekee <cernekee@gmail.com>
Date: 2013-02-03 23:57:34
Subsystem:
alps ps/2 touchpad driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Pinnacle class devices should return "88 07 xx" or "88 08 xx" when entering command mode. If either the first byte or the second byte is invalid, return an error. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> --- drivers/input/mouse/alps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index de82339..bea4a37 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c@@ -983,7 +983,7 @@ static int alps_enter_command_mode(struct psmouse *psmouse, return -1; } - if (param[0] != 0x88 && param[1] != 0x07) { + if (param[0] != 0x88 || (param[1] != 0x07 && param[1] != 0x08)) { psmouse_dbg(psmouse, "unknown response while entering command mode\n"); return -1;
--
1.7.10.4