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/* Copyright 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Test backlight control based on lid
*/
#include "backlight.h"
#include "common.h"
#include "console.h"
#include "hooks.h"
#include "host_command.h"
#include "lid_switch.h"
#include "test_util.h"
#include "timer.h"
#include "util.h"
static int mock_lid = 1;
static int backlight_en;
int gpio_get_level(enum gpio_signal signal)
{
if (signal == GPIO_LID_OPEN)
return mock_lid;
return 0;
}
void gpio_set_level(enum gpio_signal signal, int level)
{
if (signal == GPIO_ENABLE_BACKLIGHT)
backlight_en = level;
}
void set_lid_state(int is_open)
{
mock_lid = is_open;
lid_interrupt(GPIO_LID_OPEN);
msleep(40);
}
static int send_bklight_hostcmd(int enabled)
{
struct ec_params_switch_enable_backlight p;
p.enabled = enabled;
return test_send_host_command(EC_CMD_SWITCH_ENABLE_BKLIGHT, 0, &p,
sizeof(p), NULL, 0);
}
static int test_passthrough(void)
{
/* Initial state */
TEST_ASSERT(mock_lid == 1);
TEST_ASSERT(backlight_en);
/* Close lid. Backlight should turn off */
set_lid_state(0);
TEST_ASSERT(!backlight_en);
/* Open lid. Backlight turns on */
set_lid_state(1);
TEST_ASSERT(backlight_en);
return EC_SUCCESS;
}
static int test_hostcommand(void)
{
/* Open lid */
set_lid_state(1);
TEST_ASSERT(backlight_en);
/* Disable by host command */
send_bklight_hostcmd(0);
TEST_ASSERT(!backlight_en);
/* Close and open lid. Backlight should come up */
set_lid_state(0);
set_lid_state(1);
TEST_ASSERT(backlight_en);
/* Close lid */
set_lid_state(0);
TEST_ASSERT(!backlight_en);
/* Enable by host command */
send_bklight_hostcmd(1);
TEST_ASSERT(backlight_en);
/* Disable backlight by lid */
set_lid_state(1);
set_lid_state(0);
TEST_ASSERT(!backlight_en);
return EC_SUCCESS;
}
void run_test(int argc, char **argv)
{
test_reset();
RUN_TEST(test_passthrough);
RUN_TEST(test_hostcommand);
test_print_result();
}
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