BugLink: http://bugs.launchpad.net/bugs/1229361

This patch sets the finger count to 0 in the case of palm contact.

Signed-off-by: Joseph Salisbury <[email protected]>
Cc: Dmitry Torokhov <[email protected]> (maintainer:INPUT 
(KEYBOARD,...,commit_signer:2/2=100%)
Cc: Henrik Rydberg <[email protected]> (maintainer:INPUT MULTITOUCH...)
Cc: Kamal Mostafa <[email protected]> (commit_signer:2/2=100%)
Cc: Dudley Du <[email protected]> (commit_signer:2/2=100%)
Cc: Kyle Fazzari <[email protected]> (commit_signer:1/2=50%)
Cc: Tim Gardner <[email protected]> (commit_signer:1/2=50%)
Cc: [email protected] (open list:INPUT (KEYBOARD,...)
Cc: [email protected] (open list)
Cc: [email protected]

---
 drivers/input/mouse/cypress_ps2.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/mouse/cypress_ps2.c 
b/drivers/input/mouse/cypress_ps2.c
index 45b3eda..95b2c40 100644
--- a/drivers/input/mouse/cypress_ps2.c
+++ b/drivers/input/mouse/cypress_ps2.c
@@ -441,7 +441,7 @@ static int cypress_get_finger_count(unsigned char 
header_byte)
                        case 2: return 5;
                        default:
                                /* Invalid contact (e.g. palm). Ignore it. */
-                               return -1;
+                               return 0;
                }
        }
 
@@ -460,7 +460,7 @@ static int cypress_parse_packet(struct psmouse *psmouse,
 
        contact_cnt = cypress_get_finger_count(header_byte);
 
-       if (contact_cnt < 0) /* e.g. palm detect */
+       if (contact_cnt < 0)
                return -EINVAL;
 
        report_data->contact_cnt = contact_cnt;
-- 
1.7.9.5

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