On 24/02/14 16:48, Alexandre Belloni wrote:
On 24/02/2014 at 15:39:53 +0100, Juergen Beisert wrote :
Releasing the touchscreen lets the internal statemachine left in a wrong state.
Due to this the release coordinate will be reported again by accident when the next
touchscreen event happens. This change sets up the correct state when waiting
for the next touchscreen event.
Signed-off-by: Juergen Beisert <jbe@xxxxxxxxxxxxxx>
Tested-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Applied to the fixes-togreg branch of iio.git Thanks
Jonathan
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 7fc66a6..514844e 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -757,6 +757,7 @@ static void mxs_lradc_finish_touch_event(struct mxs_lradc *lradc, bool valid)
}
/* if it is released, wait for the next touch via IRQ */
+ lradc->cur_plate = LRADC_TOUCH;
mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ, LRADC_CTRL1);
mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1);
}
--
Pengutronix e.K. | Juergen Beisert |
Linux Solutions for Science and Industry | http://www.pengutronix.de/ |
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