led: Implement software led blinking
If hardware (or driver) doesn't support leds blinking, it's
now possible to use software implementation of blinking instead.
This relies on cyclic functions.
Signed-off-by: Michael Polyntsov <michael.polyntsov@iopsys.eu>
Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/led/Makefile b/drivers/led/Makefile
index 2bcb858..e27aa48 100644
--- a/drivers/led/Makefile
+++ b/drivers/led/Makefile
@@ -4,6 +4,7 @@
# Written by Simon Glass <sjg@chromium.org>
obj-y += led-uclass.o
+obj-$(CONFIG_LED_SW_BLINK) += led_sw_blink.o
obj-$(CONFIG_LED_BCM6328) += led_bcm6328.o
obj-$(CONFIG_LED_BCM6358) += led_bcm6358.o
obj-$(CONFIG_LED_BCM6753) += led_bcm6753.o