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Fix pattern handling optimalization

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Check for zero duration before skipping step. This fixes pattern

    echo "0 1000 10 2550 0 1000" > pattern

which should do [  .-xXx-.] but does [   Xx-.]

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Suggested-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
This commit is contained in:
Pavel Machek 2018-10-24 22:44:39 +02:00 committed by Jacek Anaszewski
parent 8dbac65f5c
commit 1b50bb4d36
1 changed files with 4 additions and 3 deletions
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7
drivers/leds/trigger/ledtrig-pattern.c
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@ -87,9 +87,10 @@ static void pattern_trig_timer_function(struct timer_list *t)
data->curr->brightness);
mod_timer(&data->timer,
jiffies + msecs_to_jiffies(data->curr->delta_t));
/* Skip the tuple with zero duration */
pattern_trig_update_patterns(data);
if (!data->next->delta_t) {
/* Skip the tuple with zero duration */
pattern_trig_update_patterns(data);
}
/* Select next tuple */
pattern_trig_update_patterns(data);
} else {