Hi Alexandre,
> While I don't have much experience with the TS part of the code but I
> can investigate if you don't have any idea.
can you please test the following patch?
After releasing the touchscreen the internal state machine was left in a
wrong state.
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index e2dd783..558a76c 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -698,6 +698,7 @@ 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);
}
Regards,
Juergen
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Pengutronix e.K. | Juergen Beisert |
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