It may appear strange to configure the trigger to start upon register
write while we want to disable the trigger. Explain why we do this in
the comment.
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
drivers/iio/adc/max1027.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c
index 59914fcfd320..4a78c9cbc339 100644
--- a/drivers/iio/adc/max1027.c
+++ b/drivers/iio/adc/max1027.c
@@ -401,7 +401,12 @@ static int max1027_set_cnvst_trigger_state(struct iio_trigger *trig, bool state)
if (ret < 0)
return ret;
} else {
- /* Start acquisition on conversion register write */
+ /*
+ * Start acquisition on conversion register write, which
+ * basically disables triggering conversions upon cnvst changes
+ * and thus has the effect of disabling the external hardware
+ * trigger.
+ */
ret = max1027_configure_trigger(indio_dev);
if (ret)
return ret;
--
2.27.0
