diff options
| author | Christian Lamparter <chunkeey@web.de> | 2009-05-25 21:51:19 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-06-03 14:05:15 -0400 |
| commit | 2431fe9a4b43ccf03589fa661662da6bfbd97282 (patch) | |
| tree | f609096a84180829aea2a2820048c00890d21970 | |
| parent | 95cf8769bba6ea595994f786ea63f7e2948133de (diff) | |
| download | linux-stable-2431fe9a4b43ccf03589fa661662da6bfbd97282.tar.gz linux-stable-2431fe9a4b43ccf03589fa661662da6bfbd97282.tar.bz2 linux-stable-2431fe9a4b43ccf03589fa661662da6bfbd97282.zip | |
ar9170: fix LED power state handling
This patch fixes a minor visual bug in the led code, which
left the LED in the wrong power state when it was toggled
in a _unexpected_ way (e.g: enabling the LED twice).
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/ar9170.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/led.c | 7 |
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h index 1247dcb9081a..396b24016f5e 100644 --- a/drivers/net/wireless/ath/ar9170/ar9170.h +++ b/drivers/net/wireless/ath/ar9170/ar9170.h @@ -91,6 +91,7 @@ struct ar9170_led { struct led_classdev l; char name[32]; unsigned int toggled; + bool last_state; bool registered; }; diff --git a/drivers/net/wireless/ath/ar9170/led.c b/drivers/net/wireless/ath/ar9170/led.c index 341cead7f606..3c8a5728920d 100644 --- a/drivers/net/wireless/ath/ar9170/led.c +++ b/drivers/net/wireless/ath/ar9170/led.c @@ -101,9 +101,12 @@ static void ar9170_led_brightness_set(struct led_classdev *led, struct ar9170_led *arl = container_of(led, struct ar9170_led, l); struct ar9170 *ar = arl->ar; - arl->toggled++; + if (arl->last_state != !!brightness) { + arl->toggled++; + arl->last_state = !!brightness; + } - if (likely(IS_ACCEPTING_CMD(ar) && brightness)) + if (likely(IS_ACCEPTING_CMD(ar) && arl->toggled)) queue_delayed_work(ar->hw->workqueue, &ar->led_work, HZ/10); } |