mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 20:54:31 +00:00
a4f737a9c3
At present the panel can be turned on but not off, and the brightness cannot be controlled at run-time. Add a new API function to both the panel and backlight uclasses to handle this. Enhance the PWM backlight driver to deal with custom levels properly and allow the backlight to be turned on and off. Update the test to cover thes new features. Signed-off-by: Simon Glass <sjg@chromium.org>
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Test for panel uclass
|
|
*
|
|
* Copyright (c) 2018 Google, Inc
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <backlight.h>
|
|
#include <dm.h>
|
|
#include <panel.h>
|
|
#include <video.h>
|
|
#include <asm/gpio.h>
|
|
#include <asm/test.h>
|
|
#include <dm/test.h>
|
|
#include <test/ut.h>
|
|
#include <power/regulator.h>
|
|
|
|
/* Basic test of the panel uclass */
|
|
static int dm_test_panel(struct unit_test_state *uts)
|
|
{
|
|
struct udevice *dev, *pwm, *gpio, *reg;
|
|
uint period_ns;
|
|
uint duty_ns;
|
|
bool enable;
|
|
bool polarity;
|
|
|
|
ut_assertok(uclass_first_device_err(UCLASS_PANEL, &dev));
|
|
ut_assertok(uclass_first_device_err(UCLASS_PWM, &pwm));
|
|
ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
|
|
ut_assertok(regulator_get_by_platname("VDD_EMMC_1.8V", ®));
|
|
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
|
|
&enable, &polarity));
|
|
ut_asserteq(false, enable);
|
|
ut_asserteq(false, regulator_get_enable(reg));
|
|
|
|
ut_assertok(panel_enable_backlight(dev));
|
|
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
|
|
&enable, &polarity));
|
|
ut_asserteq(1000, period_ns);
|
|
ut_asserteq(170 * 1000 / 256, duty_ns);
|
|
ut_asserteq(true, enable);
|
|
ut_asserteq(false, polarity);
|
|
ut_asserteq(1, sandbox_gpio_get_value(gpio, 1));
|
|
ut_asserteq(true, regulator_get_enable(reg));
|
|
|
|
ut_assertok(panel_set_backlight(dev, 40));
|
|
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
|
|
&enable, &polarity));
|
|
ut_asserteq(64 * 1000 / 256, duty_ns);
|
|
|
|
ut_assertok(panel_set_backlight(dev, BACKLIGHT_MAX));
|
|
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
|
|
&enable, &polarity));
|
|
ut_asserteq(255 * 1000 / 256, duty_ns);
|
|
|
|
ut_assertok(panel_set_backlight(dev, BACKLIGHT_MIN));
|
|
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
|
|
&enable, &polarity));
|
|
ut_asserteq(0 * 1000 / 256, duty_ns);
|
|
ut_asserteq(1, sandbox_gpio_get_value(gpio, 1));
|
|
|
|
ut_assertok(panel_set_backlight(dev, BACKLIGHT_DEFAULT));
|
|
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
|
|
&enable, &polarity));
|
|
ut_asserteq(true, enable);
|
|
ut_asserteq(170 * 1000 / 256, duty_ns);
|
|
|
|
ut_assertok(panel_set_backlight(dev, BACKLIGHT_OFF));
|
|
ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
|
|
&enable, &polarity));
|
|
ut_asserteq(0 * 1000 / 256, duty_ns);
|
|
ut_asserteq(0, sandbox_gpio_get_value(gpio, 1));
|
|
ut_asserteq(false, regulator_get_enable(reg));
|
|
|
|
return 0;
|
|
}
|
|
DM_TEST(dm_test_panel, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
|