On Tue, 2013-09-24 at 11:44 -0400, Joseph Salisbury wrote: > 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.salisb...@canonical.com> > Cc: Dmitry Torokhov <dmitry.torok...@gmail.com> (maintainer:INPUT > (KEYBOARD,...,commit_signer:2/2=100%) > Cc: Henrik Rydberg <rydb...@euromail.se> (maintainer:INPUT MULTITOUCH...) > Cc: Kamal Mostafa <ka...@canonical.com> (commit_signer:2/2=100%) > Cc: Dudley Du <d...@cypress.com> (commit_signer:2/2=100%) > Cc: Kyle Fazzari <g...@status.e4ward.com> (commit_signer:1/2=50%) > Cc: Tim Gardner <tim.gard...@canonical.com> (commit_signer:1/2=50%) > Cc: linux-in...@vger.kernel.org (open list:INPUT (KEYBOARD,...) > Cc: linux-kernel@vger.kernel.org (open list) > Cc: sta...@vger.kernel.org
This patch works fine: eliminates stream of junk driver messages with no ill effects. Tested-by: Kamal Mostafa <ka...@canonical.com> -Kamal > --- > 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;
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