From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- drivers/media/sprd_dcam/flash/flash_gpio.c | 56 ++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 drivers/media/sprd_dcam/flash/flash_gpio.c (limited to 'drivers/media/sprd_dcam/flash/flash_gpio.c') diff --git a/drivers/media/sprd_dcam/flash/flash_gpio.c b/drivers/media/sprd_dcam/flash/flash_gpio.c new file mode 100644 index 00000000..acbfc0f4 --- /dev/null +++ b/drivers/media/sprd_dcam/flash/flash_gpio.c @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2012 Spreadtrum Communications Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include +#include +#include + +#ifndef CONFIG_64BIT +#include +#include +#include +#endif + +#include + +#define SPRD_FLASH_ON 1 +#define SPRD_FLASH_OFF 0 + +#undef GPIO_CAM_FLASH_EN +#define GPIO_CAM_FLASH_EN 131 + +int sprd_flash_on(void) +{ + printk("sprd_flash_on \n"); + gpio_request(GPIO_CAM_FLASH_EN,"cam_flash_en"); + gpio_direction_output(GPIO_CAM_FLASH_EN, SPRD_FLASH_ON); + gpio_free(GPIO_CAM_FLASH_EN); + return 0; +} + +int sprd_flash_high_light(void) +{ + printk("sprd_flash_high_light \n"); + gpio_request(GPIO_CAM_FLASH_EN,"cam_flash_en"); + gpio_direction_output(GPIO_CAM_FLASH_EN, SPRD_FLASH_ON); + gpio_free(GPIO_CAM_FLASH_EN); + return 0; +} + +int sprd_flash_close(void) +{ + printk("sprd_flash_close \n"); + gpio_request(GPIO_CAM_FLASH_EN,"cam_flash_en"); + gpio_direction_output(GPIO_CAM_FLASH_EN, SPRD_FLASH_OFF); + gpio_free(GPIO_CAM_FLASH_EN); + return 0; +} -- cgit v1.3.1