C++ (Cpp) led_get_by_label Examples

Example #1

File: led.c Project: axxia/axxia_u-boot

/* Test obtaining an LED by label */
static int dm_test_led_label(struct unit_test_state *uts)
{
	struct udevice *dev, *cmp;

	ut_assertok(led_get_by_label("sandbox:red", &dev));
	ut_asserteq(1, device_active(dev));
	ut_assertok(uclass_get_device(UCLASS_LED, 1, &cmp));
	ut_asserteq_ptr(dev, cmp);

	ut_assertok(led_get_by_label("sandbox:green", &dev));
	ut_asserteq(1, device_active(dev));
	ut_assertok(uclass_get_device(UCLASS_LED, 2, &cmp));
	ut_asserteq_ptr(dev, cmp);

	ut_asserteq(-ENODEV, led_get_by_label("sandbox:blue", &dev));

	return 0;
}

Example #2

File: rk3188-board-spl.c Project: bradfa/u-boot

static int setup_led(void)
{
#ifdef CONFIG_SPL_LED
	struct udevice *dev;
	char *led_name;
	int ret;

	led_name = fdtdec_get_config_string(gd->fdt_blob, "u-boot,boot-led");
	if (!led_name)
		return 0;
	ret = led_get_by_label(led_name, &dev);
	if (ret) {
		debug("%s: get=%d\n", __func__, ret);
		return ret;
	}
	ret = led_set_on(dev, 1);
	if (ret)
		return ret;
#endif

	return 0;
}