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