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db46fff58c
Add fb name check function pwm_backlight_check_fb_name(), pwm driver can banding to fb with fb name when driver working in device tree architecture. Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
27 lines
726 B
C
27 lines
726 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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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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#include <linux/backlight.h>
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struct platform_pwm_backlight_data {
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unsigned int max_brightness;
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unsigned int dft_brightness;
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unsigned int lth_brightness;
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unsigned int pwm_period_ns;
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unsigned int *levels;
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unsigned int post_pwm_on_delay;
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unsigned int pwm_off_delay;
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int (*init)(struct device *dev);
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int (*notify)(struct device *dev, int brightness);
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void (*notify_after)(struct device *dev, int brightness);
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void (*exit)(struct device *dev);
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int (*check_fb)(struct device *dev, struct fb_info *info);
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char fb_id[16];
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};
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#endif
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