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leds: after setting inverted attribute, we must update the LED

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If we change the inverted attribute to another value, the LED will not be
inverted until we change the GPIO state.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Cc: Samuel R. C. Vale <srcvale@holoscopio.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Thadeu Lima de Souza Cascardo 2009-08-26 14:29:32 -07:00 committed by Linus Torvalds
parent 48cccd26f3
commit cc674c81f0
1 changed files with 3 additions and 0 deletions
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drivers/leds/ledtrig-gpio.c
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@ -117,6 +117,9 @@ static ssize_t gpio_trig_inverted_store(struct device *dev,
gpio_data->inverted = !!inverted;
/* After inverting, we need to update the LED. */
schedule_work(&gpio_data->work);
return n;
}
static DEVICE_ATTR(inverted, 0644, gpio_trig_inverted_show,