From: Pavel Machek <pavel@ucw.cz>
To: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: Baolin Wang <baolin.wang@linaro.org>,
rteysseyre@gmail.com, bjorn.andersson@linaro.org,
broonie@kernel.org, linus.walleij@linaro.org,
linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] Fix pattern handling optimalization
Date: Wed, 24 Oct 2018 22:44:39 +0200 [thread overview]
Message-ID: <20181024204439.GA32300@amd> (raw)
In-Reply-To: <bdadda71-f919-b6a6-4e1c-f87ed298b6b5@gmail.com>
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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>
diff --git a/drivers/leds/trigger/ledtrig-pattern.c b/drivers/leds/trigger/ledtrig-pattern.c
index ce7acd1..bc5f495 100644
--- a/drivers/leds/trigger/ledtrig-pattern.c
+++ b/drivers/leds/trigger/ledtrig-pattern.c
@@ -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 {
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2018-10-24 20:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-11 4:07 [PATCH v15 1/2] leds: core: Introduce LED pattern trigger Baolin Wang
2018-10-11 4:07 ` [PATCH v15 2/2] leds: sc27xx: Add pattern_set/clear interfaces for LED controller Baolin Wang
2018-10-11 20:07 ` [PATCH v15 1/2] leds: core: Introduce LED pattern trigger Jacek Anaszewski
2018-10-12 1:40 ` Baolin Wang
2018-10-24 8:34 ` Pavel Machek
2018-10-24 8:31 ` Pavel Machek
2018-10-24 19:17 ` Jacek Anaszewski
2018-10-24 19:55 ` Pavel Machek
2018-10-24 20:44 ` Pavel Machek [this message]
2018-10-25 19:17 ` [PATCH] Fix pattern handling optimalization Jacek Anaszewski
2018-10-25 21:24 ` More checks for patterns? was: " Pavel Machek
2018-10-26 8:02 ` Baolin Wang
2018-10-26 19:56 ` Jacek Anaszewski
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