Input: synaptics - update OLPC XO exclusion

[mirror_ubuntu-bionic-kernel.git] / drivers / input / mouse / synaptics.c

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index a3bb49cb691c8a2bc1f34b498c695f386685d985..06c9ee57951e1d4b121431ff3fa77d2d8a789336 100644 (file)
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -1389,15 +1389,12 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)
        int err = -1;
 
        /*
-        * The OLPC XO has issues with Synaptics' absolute mode; similarly to
-        * the HGPK, it quickly degrades and the hardware becomes jumpy and
-        * overly sensitive.  Not only that, but the constant packet spew
-        * (even at a lowered 40pps rate) overloads the EC such that key
-        * presses on the keyboard are missed.  Given all of that, don't
-        * even attempt to use Synaptics mode.  Relative mode seems to work
-        * just fine.
+        * The OLPC XO has issues with Synaptics' absolute mode; the constant
+        * packet spew overloads the EC such that key presses on the keyboard
+        * are missed.  Given that, don't even attempt to use Absolute mode.
+        * Relative mode seems to work just fine.
         */
-       if (broken_olpc_ec) {
+       if (absolute_mode && broken_olpc_ec) {
                psmouse_info(psmouse,
                             "OLPC XO detected, not enabling Synaptics protocol.\n");
                return -ENODEV;