When an effect with zero replay length, zero replay delay
and zero envelope attack length is uploaded, it is played and then scheduled to play
again one timer tick later. This triggers a warning (URB submitted while
active) in combination with the xpad driver.
Skipping the rescheduling of this effect fixes the issue.
Signed-off-by: Felix Rueegg <felix.rueegg@xxxxxxxxx>
---
drivers/input/ff-memless.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c
index 74c0d8c..2e06948 100644
--- a/drivers/input/ff-memless.c
+++ b/drivers/input/ff-memless.c
@@ -139,10 +139,13 @@ static void ml_schedule_timer(struct ml_device *ml)
if (!test_bit(FF_EFFECT_STARTED, &state->flags))
continue;
- if (test_bit(FF_EFFECT_PLAYING, &state->flags))
+ if (test_bit(FF_EFFECT_PLAYING, &state->flags)) {
next_at = calculate_next_time(state);
- else
+ if (next_at == now)
+ continue;
+ } else {
next_at = state->play_at;
+ }
if (time_before_eq(now, next_at) &&
(++events == 1 || time_before(next_at, earliest)))
--
1.9.0
--
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