dm: led: Add support for blinking LEDs

[people/ms/u-boot.git] / test / dm / led.c

diff --git a/test/dm/led.c b/test/dm/led.c
index 2cc24127e2ad7fe288a20456b090ab3e97489acb..fde700be3864fbbaa4618167f0aca431e3219460 100644 (file)
--- a/test/dm/led.c
+++ b/test/dm/led.c
@@ -98,3 +98,27 @@ static int dm_test_led_label(struct unit_test_state *uts)
        return 0;
 }
 DM_TEST(dm_test_led_label, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test LED blinking */
+#ifdef CONFIG_LED_BLINK
+static int dm_test_led_blink(struct unit_test_state *uts)
+{
+       const int offset = 1;
+       struct udevice *dev, *gpio;
+
+       /*
+        * Check that we get an error when trying to blink an LED, since it is
+        * not supported by the GPIO LED driver.
+        */
+       ut_assertok(uclass_get_device(UCLASS_LED, 1, &dev));
+       ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
+       ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
+       ut_asserteq(-ENOSYS, led_set_state(dev, LEDST_BLINK));
+       ut_asserteq(0, sandbox_gpio_get_value(gpio, offset));
+       ut_asserteq(LEDST_OFF, led_get_state(dev));
+       ut_asserteq(-ENOSYS, led_set_period(dev, 100));
+
+       return 0;
+}
+DM_TEST(dm_test_led_blink, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+#endif