diff options
| -rw-r--r-- | drivers/leds/led-test.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/leds/led-test.c b/drivers/leds/led-test.c index bc85e4513745..ddf9aa967a6a 100644 --- a/drivers/leds/led-test.c +++ b/drivers/leds/led-test.c @@ -57,8 +57,37 @@ static void led_test_class_register(struct kunit *test) KUNIT_EXPECT_EQ(test, ret, -EEXIST); } +static void led_test_class_add_lookup_and_get(struct kunit *test) +{ + struct led_test_ddata *ddata = test->priv; + struct led_classdev *cdev = &ddata->cdev, *cdev_get; + struct device *dev = ddata->dev; + struct led_lookup_data lookup; + int ret; + + /* First, register a LED class device */ + cdev->name = "led-test"; + ret = devm_led_classdev_register(dev, cdev); + KUNIT_ASSERT_EQ(test, ret, 0); + + /* Then make the LED available for lookup */ + lookup.provider = cdev->name; + lookup.dev_id = dev_name(dev); + lookup.con_id = "led-test-1"; + led_add_lookup(&lookup); + + /* Finally, attempt to look it up via the API - imagine this was an orthogonal driver */ + cdev_get = devm_led_get(dev, "led-test-1"); + KUNIT_ASSERT_FALSE(test, IS_ERR(cdev_get)); + + KUNIT_EXPECT_STREQ(test, cdev_get->name, cdev->name); + + led_remove_lookup(&lookup); +} + static struct kunit_case led_test_cases[] = { KUNIT_CASE(led_test_class_register), + KUNIT_CASE(led_test_class_add_lookup_and_get), { } }; |