diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2011-02-04 11:46:43 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-02-04 11:46:43 -0700 |
| commit | c64eae9a73a847c1698f913c893aa4012d2a30b0 (patch) | |
| tree | 732684b9ffe9dfd6e9a11b1f006eaaefeb0e945b /drivers/leds/ledtrig-gpio.c | |
| parent | c9e358dfc4a8cb2227172ef77908c2e0ee17bcb9 (diff) | |
| parent | ebf53826e105f488f4f628703a108e98940d1dc5 (diff) | |
Merge commit 'v2.6.38-rc3' into devicetree/next
Diffstat (limited to 'drivers/leds/ledtrig-gpio.c')
| -rw-r--r-- | drivers/leds/ledtrig-gpio.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/leds/ledtrig-gpio.c b/drivers/leds/ledtrig-gpio.c index 991d93be0f44..ecc4bf3f37a9 100644 --- a/drivers/leds/ledtrig-gpio.c +++ b/drivers/leds/ledtrig-gpio.c @@ -99,7 +99,7 @@ static ssize_t gpio_trig_inverted_show(struct device *dev, struct led_classdev *led = dev_get_drvdata(dev); struct gpio_trig_data *gpio_data = led->trigger_data; - return sprintf(buf, "%s\n", gpio_data->inverted ? "yes" : "no"); + return sprintf(buf, "%u\n", gpio_data->inverted); } static ssize_t gpio_trig_inverted_store(struct device *dev, @@ -107,16 +107,17 @@ static ssize_t gpio_trig_inverted_store(struct device *dev, { struct led_classdev *led = dev_get_drvdata(dev); struct gpio_trig_data *gpio_data = led->trigger_data; - unsigned inverted; + unsigned long inverted; int ret; - ret = sscanf(buf, "%u", &inverted); - if (ret < 1) { - dev_err(dev, "invalid value\n"); + ret = strict_strtoul(buf, 10, &inverted); + if (ret < 0) + return ret; + + if (inverted > 1) return -EINVAL; - } - gpio_data->inverted = !!inverted; + gpio_data->inverted = inverted; /* After inverting, we need to update the LED. */ schedule_work(&gpio_data->work); |