M7350/bootable/bootloader/lk/app/tests/led_tests.c
2024-09-09 08:52:07 +00:00

73 lines
2.6 KiB
C

/*
* Copyright (c) 2011, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include<dev/pm8921_leds.h>
#include<dev/pm8921.h>
void led_tests()
{
uint32_t duty_us, period_us;
/* 50% Duty cycle */
duty_us = 500000;
period_us = 1000000;
/* Configure PM8921_ID_LED_0 from PWM2*/
pm8921_config_led_current(PM8921_ID_LED_0, 2, PWM2, 1);
/* PWM2 for PM8921_ID_LED_0 is LPG 5
* Configure and enable lpg5
*/
pm_set_pwm_config(5, duty_us, period_us, &pmic);
pm_pwm_channel_enable(5, &pmic);
/* Configure and enable lpg0 for panel backlight*/
pm_set_pwm_config(0, duty_us, period_us, &pmic);
pm_pwm_channel_enable(0, &pmic);
mdelay(10000);
/* Configure PM8921_ID_LED_1 also from PWM2*/
pm8921_config_led_current(PM8921_ID_LED_1, 2, PWM2, 1);
mdelay(10000);
/* Disable PM8921_ID_LED_0 */
pm8921_config_led_current(PM8921_ID_LED_0, 2, 2, 0);
/* Turn on GPIO 24 through LPG 0
* Will be reconfigured during display_init
*/
panel_backlight_on_pwm();
mdelay(10000);
/* Disable PM8921_ID_LED_1 */
pm8921_config_led_current(PM8921_ID_LED_1, 2, 2, 0);
}