diff options
| author | Simon Glass <sjg@chromium.org> | 2017-04-10 11:34:57 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2017-04-14 19:38:57 -0600 |
| commit | 53378dac8dc33e3fd5f07d60bd7a5f8258ac7a20 (patch) | |
| tree | 13613de1ea3ed6d991b440f0797cb25a671da40d /drivers/led/led-uclass.c | |
| parent | 9413ad4f0def2e06a5042106a6e1650a1aa03a5a (diff) | |
| download | u-boot-53378dac8dc33e3fd5f07d60bd7a5f8258ac7a20.tar.gz | |
dm: led: Add support for blinking LEDs
Allow LEDs to be blinked if the driver supports it. Enable this for
sandbox so that the tests run.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ziping Chen <techping.chan@gmail.com>
Diffstat (limited to 'drivers/led/led-uclass.c')
| -rw-r--r-- | drivers/led/led-uclass.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/led/led-uclass.c b/drivers/led/led-uclass.c index ea5fbabadf..78ab76050d 100644 --- a/drivers/led/led-uclass.c +++ b/drivers/led/led-uclass.c @@ -52,6 +52,18 @@ enum led_state_t led_get_state(struct udevice *dev) return ops->get_state(dev); } +#ifdef CONFIG_LED_BLINK +int led_set_period(struct udevice *dev, int period_ms) +{ + struct led_ops *ops = led_get_ops(dev); + + if (!ops->set_period) + return -ENOSYS; + + return ops->set_period(dev, period_ms); +} +#endif + UCLASS_DRIVER(led) = { .id = UCLASS_LED, .name = "led", |