Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        "linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, pavel@ucw.cz,
        jacek.anaszewski@gmail.com, Matthieu CASTET" 
        <matthieu.castet@parrot.com>
Subject: [PATCH 4.9 007/177] led: core: Clear LED_BLINK_SW flag in led_blink_set()
Date:   Fri, 23 Mar 2018 10:52:15 +0100
Message-Id: <20180323094205.532542495@linuxfoundation.org>
In-Reply-To: <20180323094205.090519271@linuxfoundation.org>
References: <20180323094205.090519271@linuxfoundation.org>
User-Agent: quilt/0.65
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jacek Anaszewski <jacek.anaszewski@gmail.com>

[Only needed in 4.9.y due to other fixes in mainline - gregkh]

With the current code, the following sequence won't work :
echo timer > trigger

echo 0 >  delay_off
* at this point we call
** led_delay_off_store
** led_blink_set
---
 drivers/leds/led-core.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -188,6 +188,7 @@ void led_blink_set(struct led_classdev *
 {
 	del_timer_sync(&led_cdev->blink_timer);
 
+	led_cdev->flags &= ~LED_BLINK_SW;
 	led_cdev->flags &= ~LED_BLINK_ONESHOT;
 	led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP;