From: Johannes Berg <johannes.berg@xxxxxxxxx>
Felix's patch backported my software blink emulation,
but if the kernel is 2.6.25 or newer we can also try
the HW offload first.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
compat/compat-2.6.37.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- compat.orig/compat/compat-2.6.37.c 2010-11-28 13:05:01.000000000 +0100
+++ compat/compat/compat-2.6.37.c 2010-11-28 13:05:56.000000000 +0100
@@ -253,9 +253,16 @@ void led_blink_set(struct led_classdev *
unsigned long *delay_on,
unsigned long *delay_off)
{
- struct led_timer *led = led_get_timer(led_cdev);
+ struct led_timer *led;
int current_brightness;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25))
+ if (led_cdev->blink_set &&
+ !led_cdev->blink_set(led_cdev, delay_on, delay_off))
+ return;
+#endif
+
+ led = led_get_timer(led_cdev);
if (!led) {
led = led_new_timer(led_cdev);
if (!led)
--
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