| /* |
| * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c |
| * |
| * Copyright (c) 2013, NVIDIA CORPORATION, All rights reserved. |
| * |
| * 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. |
| * |
| */ |
| #ifndef __LINUX_PWM_BACKLIGHT_H |
| #define __LINUX_PWM_BACKLIGHT_H |
| |
| #include <linux/backlight.h> |
| |
| struct platform_pwm_backlight_data { |
| int pwm_id; |
| unsigned int max_brightness; |
| unsigned int dft_brightness; |
| unsigned int lth_brightness; |
| unsigned int pwm_period_ns; |
| unsigned int *levels; |
| unsigned int pwm_gpio; |
| int (*init)(struct device *dev); |
| int (*notify)(struct device *dev, int brightness); |
| void (*notify_after)(struct device *dev, int brightness); |
| void (*exit)(struct device *dev); |
| int (*check_fb)(struct device *dev, struct fb_info *info); |
| }; |
| |
| #endif |
