Input: add new driver for Sentelic Finger Sensing Pad

This is the driver for Sentelic Finger Sensing Pad which can be found
on MSI WIND Netbook.

Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 25 insertions, 1 deletions

diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index b407b355dceb..df318887ca09 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -30,6 +30,7 @@
 #include "trackpoint.h"
 #include "touchkit_ps2.h"
 #include "elantech.h"
+#include "sentelic.h"
 
 #define DRIVER_DESC     "PS/2 mouse driver"
 
@@ -666,6 +667,20 @@ static int psmouse_extensions(struct psmouse *psmouse,
                 max_proto = PSMOUSE_IMEX;
         }
 
+/*
+ * Try Finger Sensing Pad
+ */
+        if (max_proto > PSMOUSE_IMEX) {
+                if (fsp_detect(psmouse, set_properties) == 0) {
+                        if (!set_properties || fsp_init(psmouse) == 0)
+                                return PSMOUSE_FSP;
+/*
+ * Init failed, try basic relative protocols
+ */
+                        max_proto = PSMOUSE_IMEX;
+                }
+        }
+
         if (max_proto > PSMOUSE_IMEX) {
                 if (genius_detect(psmouse, set_properties) == 0)
                         return PSMOUSE_GENPS;
@@ -813,7 +828,16 @@ static const struct psmouse_protocol psmouse_protocols[] = {
                 .detect         = elantech_detect,
                 .init           = elantech_init,
         },
- #endif
+#endif
+#ifdef CONFIG_MOUSE_PS2_SENTELIC
+        {
+                .type           = PSMOUSE_FSP,
+                .name           = "FSPPS/2",
+                .alias          = "fsp",
+                .detect         = fsp_detect,
+                .init           = fsp_init,
+        },
+#endif
         {
                 .type           = PSMOUSE_CORTRON,
                 .name           = "CortronPS/2",