linux-kernel - [PATCH] led: trig: timer: stop offloading on deactivation

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Date:   Fri, 28 Jul 2023 13:30:58 +0100
From:   Daniel Golle <daniel@...rotopia.org>
To:     Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
        Daniel Golle <daniel@...rotopia.org>,
        Johannes Berg <johannes.berg@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Richard Purdie <rpurdie@...ux.intel.com>,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] led: trig: timer: stop offloading on deactivation

Stop hardware blinking when switching from 'timer' to another trigger.

Fixes: 5ada28bf7675 ("led-class: always implement blinking")
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 drivers/leds/trigger/ledtrig-timer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/leds/trigger/ledtrig-timer.c b/drivers/leds/trigger/ledtrig-timer.c
index b4688d1d9d2b2..fb6b207b052b8 100644
--- a/drivers/leds/trigger/ledtrig-timer.c
+++ b/drivers/leds/trigger/ledtrig-timer.c
@@ -125,6 +125,8 @@ static void timer_trig_deactivate(struct led_classdev *led_cdev)
 {
 	/* Stop blinking */
 	led_set_brightness(led_cdev, LED_OFF);
+	if (led_cdev->blink_set)
+		led_cdev->blink_set(led_cdev, 0, 0);
 }
 
 static struct led_trigger timer_led_trigger = {
-- 
2.41.0