Before, if the adc conversion failed for some reason then no more
samples would be taken until the after the next pen up/down interrupt.
Signed-off-by: Marc Reilly <marc@xxxxxxxxxxxxxxx>
---
drivers/input/touchscreen/mc13xxx_ts.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/input/touchscreen/mc13xxx_ts.c b/drivers/input/touchscreen/mc13xxx_ts.c
index 264b977..8924d66 100644
--- a/drivers/input/touchscreen/mc13xxx_ts.c
+++ b/drivers/input/touchscreen/mc13xxx_ts.c
@@ -199,8 +199,12 @@ static void mc13xxx_ts_work(struct work_struct *work)
unsigned int channel = 12;
if (mc13xxx_adc_do_conversion(priv->mc13xxx,
- mode, channel, priv->sample) == 0)
+ mode, channel, priv->sample) == 0) {
mc13xxx_ts_report_sample(priv);
+ } else {
+ dev_warn(&priv->idev->dev, "bad conversion");
+ queue_delayed_work(priv->workq, &priv->work, HZ / 50);
+ }
}
static int mc13xxx_ts_open(struct input_dev *dev)
--
1.7.3.4
--
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