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Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/leds-bcm6328.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c
index 47f7c9f310be..1548259297c1 100644
--- a/drivers/leds/leds-bcm6328.c
+++ b/drivers/leds/leds-bcm6328.c
@@ -140,6 +140,18 @@ static void bcm6328_led_set(struct led_classdev *led_cdev,
spin_unlock_irqrestore(led->lock, flags);
}
+static unsigned long bcm6328_blink_delay(unsigned long delay)
+{
+ unsigned long bcm6328_delay;
+
+ bcm6328_delay = delay + BCM6328_LED_INTERVAL_MS / 2;
+ bcm6328_delay = bcm6328_delay / BCM6328_LED_INTERVAL_MS;
+ if (bcm6328_delay == 0)
+ bcm6328_delay = 1;
+
+ return bcm6328_delay;
+}
+
static int bcm6328_blink_set(struct led_classdev *led_cdev,
unsigned long *delay_on, unsigned long *delay_off)
{
@@ -153,16 +165,14 @@ static int bcm6328_blink_set(struct led_classdev *led_cdev,
if (!*delay_off)
*delay_off = BCM6328_LED_DEF_DELAY;
- if (*delay_on != *delay_off) {
+ delay = bcm6328_blink_delay(*delay_on);
+ if (delay != bcm6328_blink_delay(*delay_off)) {
dev_dbg(led_cdev->dev,
"fallback to soft blinking (delay_on != delay_off)\n");
return -EINVAL;
}
- delay = *delay_on / BCM6328_LED_INTERVAL_MS;
- if (delay == 0) {
- delay = 1;
- } else if (delay > BCM6328_LED_INTV_MASK) {
+ if (delay > BCM6328_LED_INTV_MASK) {
dev_dbg(led_cdev->dev,
"fallback to soft blinking (delay > %ums)\n",
BCM6328_LED_INTV_MASK * BCM6328_LED_INTERVAL_MS);