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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <zephyr/ztest.h>
#include "ec_commands.h"
#include "gpio.h"
#include "include/power.h"
#include "led.h"
#include "led_common.h"
#include "test/drivers/test_state.h"
#include "test/drivers/utils.h"
#define VERIFY_LED_COLOR(color, led_id) \
{ \
const struct led_pins_node_t *pin_node = \
led_get_node(color, led_id); \
for (int j = 0; j < pin_node->pins_count; j++) { \
int val = gpio_pin_get_dt(gpio_get_dt_spec( \
pin_node->gpio_pins[j].signal)); \
int expecting = pin_node->gpio_pins[j].val; \
zassert_equal(expecting, val, "[%d]: %d != %d", j, \
expecting, val); \
} \
}
ZTEST_SUITE(led_driver, drivers_predicate_post_main, NULL, NULL, NULL, NULL);
ZTEST(led_driver, test_led_control)
{
test_set_chipset_to_power_level(POWER_S5);
/* Exercise valid led_id, set to RESET state */
led_control(EC_LED_ID_SYSRQ_DEBUG_LED, LED_STATE_RESET);
VERIFY_LED_COLOR(LED_OFF, EC_LED_ID_SYSRQ_DEBUG_LED);
/* Exercise valid led_id, set to OFF state.
* Verify matches OFF color defined in device tree
*/
led_control(EC_LED_ID_SYSRQ_DEBUG_LED, LED_STATE_OFF);
VERIFY_LED_COLOR(LED_OFF, EC_LED_ID_SYSRQ_DEBUG_LED);
/* Exercise valid led_id, set to ON state.
* Verify matches ON color defined in device tree
*/
led_control(EC_LED_ID_SYSRQ_DEBUG_LED, LED_STATE_ON);
VERIFY_LED_COLOR(LED_BLUE, EC_LED_ID_SYSRQ_DEBUG_LED);
/* Exercise invalid led_id -- no change to led color */
led_control(EC_LED_ID_LEFT_LED, LED_STATE_RESET);
VERIFY_LED_COLOR(LED_BLUE, EC_LED_ID_SYSRQ_DEBUG_LED);
}
ZTEST(led_driver, test_led_brightness)
{
uint8_t brightness[EC_LED_COLOR_COUNT] = { -1 };
/* Verify LED set to OFF */
led_set_brightness(EC_LED_ID_SYSRQ_DEBUG_LED, brightness);
VERIFY_LED_COLOR(LED_OFF, EC_LED_ID_SYSRQ_DEBUG_LED);
/* Verify LED colors defined in device tree are reflected in the
* brightness array.
*/
led_get_brightness_range(EC_LED_ID_SYSRQ_DEBUG_LED, brightness);
zassert_equal(brightness[EC_LED_COLOR_BLUE], 1, NULL);
zassert_equal(brightness[EC_LED_COLOR_WHITE], 1, NULL);
/* Verify LED set to WHITE */
led_set_brightness(EC_LED_ID_SYSRQ_DEBUG_LED, brightness);
VERIFY_LED_COLOR(LED_WHITE, EC_LED_ID_SYSRQ_DEBUG_LED);
}
ZTEST(led_driver, test_get_chipset_state)
{
enum power_state pwr_state;
test_set_chipset_to_g3();
pwr_state = get_chipset_state();
zassert_equal(pwr_state, POWER_S5, "expected=%d, returned=%d", POWER_S5,
pwr_state);
test_set_chipset_to_s0();
pwr_state = get_chipset_state();
zassert_equal(pwr_state, POWER_S0, "expected=%d, returned=%d", POWER_S0,
pwr_state);
test_set_chipset_to_power_level(POWER_S3);
pwr_state = get_chipset_state();
zassert_equal(pwr_state, POWER_S3, "expected=%d, returned=%d", POWER_S3,
pwr_state);
}
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