3.13.11-ckt20 -stable review patch.  If anyone has any objections, please let 
me know.

------------------

From: Hans de Goede <[email protected]>

commit e2f611029b370bb7a04236215ad4b36aa8cb98cd upstream.

This is a preparation patch for simplifying the min/max quirk table.

Signed-off-by: Hans de Goede <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
Cc: Timo Aaltonen <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 drivers/input/mouse/synaptics.c | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index b9b12f74..2f0723d 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -156,6 +156,18 @@ static const char * const topbuttonpad_pnp_ids[] = {
        NULL
 };
 
+static bool matches_pnp_id(struct psmouse *psmouse, const char * const ids[])
+{
+       int i;
+
+       if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4))
+               for (i = 0; ids[i]; i++)
+                       if (strstr(psmouse->ps2dev.serio->firmware_id, ids[i]))
+                               return true;
+
+       return false;
+}
+
 /*****************************************************************************
  *     Synaptics communications functions
  ****************************************************************************/
@@ -1428,17 +1440,8 @@ static void set_input_params(struct psmouse *psmouse,
 
        if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
                __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
-               /* See if this buttonpad has a top button area */
-               if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4)) {
-                       for (i = 0; topbuttonpad_pnp_ids[i]; i++) {
-                               if (strstr(psmouse->ps2dev.serio->firmware_id,
-                                          topbuttonpad_pnp_ids[i])) {
-                                       __set_bit(INPUT_PROP_TOPBUTTONPAD,
-                                                 dev->propbit);
-                                       break;
-                               }
-                       }
-               }
+               if (matches_pnp_id(psmouse, topbuttonpad_pnp_ids))
+                       __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit);
                /* Clickpads report only left button */
                __clear_bit(BTN_RIGHT, dev->keybit);
                __clear_bit(BTN_MIDDLE, dev->keybit);
-- 
1.9.1

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