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| author | Mark Brown <broonie@kernel.org> | 2016-02-09 18:20:39 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-02-09 18:20:39 +0000 |
| commit | fcdcc79628a1919bde9acf239e364f65bab6327c (patch) | |
| tree | 5499be387cf3028c90ac083b1cf866ebed7bf7e0 /drivers/leds/led-triggers.c | |
| parent | 7a8d44bc89e5cddcd5c0704a11a90484d36ba6ba (diff) | |
| parent | a0a90718f18264dc904d34a580f332006f5561e9 (diff) | |
Merge branch 'topic/acpi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-pxa2xx
Diffstat (limited to 'drivers/leds/led-triggers.c')
| -rw-r--r-- | drivers/leds/led-triggers.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index e8b1120f486d..e1e933424ac9 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -249,6 +249,34 @@ void led_trigger_unregister(struct led_trigger *trig) } EXPORT_SYMBOL_GPL(led_trigger_unregister); +static void devm_led_trigger_release(struct device *dev, void *res) +{ + led_trigger_unregister(*(struct led_trigger **)res); +} + +int devm_led_trigger_register(struct device *dev, + struct led_trigger *trig) +{ + struct led_trigger **dr; + int rc; + + dr = devres_alloc(devm_led_trigger_release, sizeof(*dr), + GFP_KERNEL); + if (!dr) + return -ENOMEM; + + *dr = trig; + + rc = led_trigger_register(trig); + if (rc) + devres_free(dr); + else + devres_add(dev, dr); + + return rc; +} +EXPORT_SYMBOL_GPL(devm_led_trigger_register); + /* Simple LED Tigger Interface */ void led_trigger_event(struct led_trigger *trig, |