2008-04-14 02:35:08 -06:00
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/*
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* Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
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*/
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#ifndef __LINUX_PWM_BACKLIGHT_H
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#define __LINUX_PWM_BACKLIGHT_H
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2011-03-22 17:30:31 -06:00
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#include <linux/backlight.h>
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2013-08-30 03:51:22 -06:00
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/* TODO: convert to gpiod_*() API once it has been merged */
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#define PWM_BACKLIGHT_GPIO_ACTIVE_LOW (1 << 0)
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2008-04-14 02:35:08 -06:00
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struct platform_pwm_backlight_data {
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int pwm_id;
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unsigned int max_brightness;
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unsigned int dft_brightness;
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2010-11-11 15:05:28 -07:00
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unsigned int lth_brightness;
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2008-04-14 02:35:08 -06:00
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unsigned int pwm_period_ns;
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2011-12-16 13:25:29 -07:00
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unsigned int *levels;
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2013-08-30 03:51:22 -06:00
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int enable_gpio;
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unsigned long enable_gpio_flags;
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2008-05-22 07:18:40 -06:00
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int (*init)(struct device *dev);
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2009-11-10 10:20:40 -07:00
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int (*notify)(struct device *dev, int brightness);
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2011-08-25 16:59:17 -06:00
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void (*notify_after)(struct device *dev, int brightness);
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2008-05-22 07:18:40 -06:00
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void (*exit)(struct device *dev);
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2011-03-22 17:30:31 -06:00
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int (*check_fb)(struct device *dev, struct fb_info *info);
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2008-04-14 02:35:08 -06:00
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};
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#endif
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