smallsolar/u-boot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dm: led: Add support for blinking LEDs

Browse Source 
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>
This commit is contained in:
Simon Glass
2017-04-10 11:34:57 -06:00
parent 9413ad4f0d
commit 53378dac8d
7 changed files with 83 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
test/dm/led.c
View File

@@ -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