linux-kernel - [PATCH] leds: ledtrig-timer: fix broken sysfs delay handling

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Date:	Mon,  5 Sep 2011 17:33:03 +0200
From:	Johan Hovold <jhovold@...il.com>
To:	Richard Purdie <rpurdie@...ys.net>
Cc:	Johannes Berg <johannes.berg@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Johan Hovold <jhovold@...il.com>,
	stable@...nel.org
Subject: [PATCH] leds: ledtrig-timer: fix broken sysfs delay handling

Fix regression introduced by commit
5ada28bf76752e33dce3d807bf0dfbe6d1b943ad (led-class: always implement
blinking) which broke sysfs delay handling by not storing the updated
value. Consequently it was only possible to set one of the delays
through the sysfs interface as the other delay was automatically
restored to it's default value. Reading the parameters always gave the
defaults.

Cc: stable@...nel.org
Signed-off-by: Johan Hovold <jhovold@...il.com>
---
 drivers/leds/ledtrig-timer.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c
index d87c9d0..328c64c 100644
--- a/drivers/leds/ledtrig-timer.c
+++ b/drivers/leds/ledtrig-timer.c
@@ -41,6 +41,7 @@ static ssize_t led_delay_on_store(struct device *dev,
 
 	if (count == size) {
 		led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off);
+		led_cdev->blink_delay_on = state;
 		ret = count;
 	}
 
@@ -69,6 +70,7 @@ static ssize_t led_delay_off_store(struct device *dev,
 
 	if (count == size) {
 		led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state);
+		led_cdev->blink_delay_off = state;
 		ret = count;
 	}
 
-- 
1.7.6

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