diff options
Diffstat (limited to 'drivers/leds/leds-pwm.c')
| -rw-r--r-- | drivers/leds/leds-pwm.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c index b31d8e99c41..605047428b5 100644 --- a/drivers/leds/leds-pwm.c +++ b/drivers/leds/leds-pwm.c @@ -66,9 +66,11 @@ static void led_pwm_set(struct led_classdev *led_cdev, struct led_pwm_data *led_dat = container_of(led_cdev, struct led_pwm_data, cdev); unsigned int max = led_dat->cdev.max_brightness; - unsigned int period = led_dat->period; + unsigned long long duty = led_dat->period; - led_dat->duty = brightness * period / max; + duty *= brightness; + do_div(duty, max); + led_dat->duty = duty; if (led_dat->can_sleep) schedule_work(&led_dat->work); @@ -85,11 +87,10 @@ static inline size_t sizeof_pwm_leds_priv(int num_leds) static int led_pwm_create_of(struct platform_device *pdev, struct led_pwm_priv *priv) { - struct device_node *node = pdev->dev.of_node; struct device_node *child; int ret; - for_each_child_of_node(node, child) { + for_each_child_of_node(pdev->dev.of_node, child) { struct led_pwm_data *led_dat = &priv->leds[priv->num_leds]; led_dat->cdev.name = of_get_property(child, "label", |