| Deepa Dinamani | ef31e95 | 2012-02-10 10:34:07 -0800 | [diff] [blame] | 1 | /* |
| Duy Truong | f3ac7b3 | 2013-02-13 01:07:28 -0800 | [diff] [blame] | 2 | * Copyright (c) 2011, The Linux Foundation. All rights reserved. |
| Deepa Dinamani | ef31e95 | 2012-02-10 10:34:07 -0800 | [diff] [blame] | 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are |
| 6 | * met: |
| 7 | * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above |
| 10 | * copyright notice, this list of conditions and the following |
| 11 | * disclaimer in the documentation and/or other materials provided |
| 12 | * with the distribution. |
| Duy Truong | f3ac7b3 | 2013-02-13 01:07:28 -0800 | [diff] [blame] | 13 | * * Neither the name of The Linux Foundation nor the names of its |
| Deepa Dinamani | ef31e95 | 2012-02-10 10:34:07 -0800 | [diff] [blame] | 14 | * contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| Deepa Dinamani | 0bb64ff | 2011-12-06 10:45:44 -0800 | [diff] [blame] | 30 | #include<dev/pm8921_leds.h> |
| 31 | #include<dev/pm8921.h> |
| 32 | |
| 33 | void led_tests() |
| 34 | { |
| 35 | uint32_t duty_us, period_us; |
| 36 | |
| 37 | /* 50% Duty cycle */ |
| 38 | duty_us = 500000; |
| 39 | period_us = 1000000; |
| 40 | |
| 41 | /* Configure PM8921_ID_LED_0 from PWM2*/ |
| 42 | pm8921_config_led_current(PM8921_ID_LED_0, 2, PWM2, 1); |
| 43 | |
| 44 | /* PWM2 for PM8921_ID_LED_0 is LPG 5 |
| 45 | * Configure and enable lpg5 |
| 46 | */ |
| 47 | pm_set_pwm_config(5, duty_us, period_us, &pmic); |
| 48 | pm_pwm_channel_enable(5, &pmic); |
| 49 | |
| 50 | /* Configure and enable lpg0 for panel backlight*/ |
| 51 | pm_set_pwm_config(0, duty_us, period_us, &pmic); |
| 52 | pm_pwm_channel_enable(0, &pmic); |
| 53 | |
| 54 | mdelay(10000); |
| 55 | |
| 56 | /* Configure PM8921_ID_LED_1 also from PWM2*/ |
| 57 | pm8921_config_led_current(PM8921_ID_LED_1, 2, PWM2, 1); |
| 58 | mdelay(10000); |
| 59 | |
| 60 | /* Disable PM8921_ID_LED_0 */ |
| 61 | pm8921_config_led_current(PM8921_ID_LED_0, 2, 2, 0); |
| 62 | |
| 63 | /* Turn on GPIO 24 through LPG 0 |
| 64 | * Will be reconfigured during display_init |
| 65 | */ |
| 66 | panel_backlight_on_pwm(); |
| 67 | |
| 68 | mdelay(10000); |
| 69 | |
| 70 | /* Disable PM8921_ID_LED_1 */ |
| 71 | pm8921_config_led_current(PM8921_ID_LED_1, 2, 2, 0); |
| 72 | } |