Messages in this thread Patch in this message | | | From | Joseph Salisbury <> | Subject | [PATCH 1/1] Input: cypress_ps2 - Return zero finger count if palm is detected. | Date | Tue, 24 Sep 2013 11:44:38 -0400 |
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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 <joseph.salisbury@canonical.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> (maintainer:INPUT (KEYBOARD,...,commit_signer:2/2=100%) Cc: Henrik Rydberg <rydberg@euromail.se> (maintainer:INPUT MULTITOUCH...) Cc: Kamal Mostafa <kamal@canonical.com> (commit_signer:2/2=100%) Cc: Dudley Du <dudl@cypress.com> (commit_signer:2/2=100%) Cc: Kyle Fazzari <git@status.e4ward.com> (commit_signer:1/2=50%) Cc: Tim Gardner <tim.gardner@canonical.com> (commit_signer:1/2=50%) Cc: linux-input@vger.kernel.org (open list:INPUT (KEYBOARD,...) Cc: linux-kernel@vger.kernel.org (open list) Cc: stable@vger.kernel.org
--- 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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