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ar9170: fix LED power state handling

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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>
This commit is contained in:
Christian Lamparter 2009-05-25 21:51:19 +02:00 committed by John W. Linville
parent 95cf8769bb
commit 2431fe9a4b
2 changed files with 6 additions and 2 deletions
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1
drivers/net/wireless/ath/ar9170/ar9170.h
View File

@ -91,6 +91,7 @@ struct ar9170_led {
struct led_classdev l;
char name[32];
unsigned int toggled;
bool last_state;
bool registered;
};

7
drivers/net/wireless/ath/ar9170/led.c
View File

@ -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);
}