From: Lothar Waßmann Data: Wednesday, March 19, 2014 9:09 PM >To: Dmitry Torokhov; Duan Fugang-B38611; Grant Likely; Henrik Rydberg; Ian >Campbell; Jingoo Han; Kumar Gala; Mark Rutland; Pawel Moll; Rob Herring; Rob >Landley; Sachin Kamat; devicetree@vger.kernel.org; linux-doc@vger.kernel.org; >linux-input@vger.kernel.org; linux-kernel@vger.kernel.org; Simon Budig; Lothar >Waßmann >Subject: [PATCHv4 4/5] Input: edt-ft5x06: Ignore touchdown events > >The chip may report invalid coordinates on touchdown events, so don't report >the initial touchdown event. > >Signed-off-by: Lothar Waßmann >--- > drivers/input/touchscreen/edt-ft5x06.c | 4 ++++ > 1 file changed, 4 insertions(+) > >diff --git a/drivers/input/touchscreen/edt-ft5x06.c >b/drivers/input/touchscreen/edt-ft5x06.c >index 27dccfc..af736e4 100644 >--- a/drivers/input/touchscreen/edt-ft5x06.c >+++ b/drivers/input/touchscreen/edt-ft5x06.c >@@ -175,6 +175,10 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id) > if (type == TOUCH_EVENT_RESERVED) > continue; > >+ /* ignore TOUCH_DOWN events, might have bogus coordinates */ >+ if (type == TOUCH_EVENT_DOWN) >+ continue; >+ > x = ((buf[0] << 8) | buf[1]) & 0x0fff; > y = ((buf[2] << 8) | buf[3]) & 0x0fff; > id = (buf[2] >> 4) & 0x0f; >-- >1.7.10.4 > > Acked-by: Fugang Duan {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I