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| author | Tom Rini <trini@konsulko.com> | 2022-06-10 22:59:32 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-06-28 17:03:32 -0400 |
| commit | 1e03e03d03a358ad905e90f77565f19909b6063f (patch) | |
| tree | a384bcc7b7c3f1e03cc932fb3320a71149182632 | |
| parent | dc2d27ae72d4e380b658d8a0ee3c683fca141f75 (diff) | |
| download | u-boot-1e03e03d03a358ad905e90f77565f19909b6063f.zip u-boot-1e03e03d03a358ad905e90f77565f19909b6063f.tar.gz u-boot-1e03e03d03a358ad905e90f77565f19909b6063f.tar.bz2 | |
arm: exynos: Remove old pwm backlight driver
Remove the unused older exynos pwm backlight driver.
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
| -rw-r--r-- | arch/arm/mach-exynos/include/mach/pwm_backlight.h | 20 | ||||
| -rw-r--r-- | drivers/video/exynos/exynos_pwm_bl.c | 44 |
2 files changed, 0 insertions, 64 deletions
diff --git a/arch/arm/mach-exynos/include/mach/pwm_backlight.h b/arch/arm/mach-exynos/include/mach/pwm_backlight.h deleted file mode 100644 index c7d3a91..0000000 --- a/arch/arm/mach-exynos/include/mach/pwm_backlight.h +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2012 Samsung Electronics - * - * Author: Donghwa Lee <dh09.lee@samsung.com> - */ - -#ifndef _PWM_BACKLIGHT_H_ -#define _PWM_BACKLIGHT_H_ - -struct pwm_backlight_data { - int pwm_id; - int period; - int max_brightness; - int brightness; -}; - -extern int exynos_pwm_backlight_init(struct pwm_backlight_data *pd); - -#endif /* _PWM_BACKLIGHT_H_ */ diff --git a/drivers/video/exynos/exynos_pwm_bl.c b/drivers/video/exynos/exynos_pwm_bl.c deleted file mode 100644 index a3d467a..0000000 --- a/drivers/video/exynos/exynos_pwm_bl.c +++ /dev/null @@ -1,44 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * PWM BACKLIGHT driver for Board based on EXYNOS. - * - * Author: Donghwa Lee <dh09.lee@samsung.com> - * - * Derived from linux/drivers/video/backlight/pwm_backlight.c - */ - -#include <common.h> -#include <pwm.h> -#include <linux/types.h> -#include <asm/io.h> -#include <asm/arch/cpu.h> -#include <asm/arch/gpio.h> -#include <asm/arch/pwm.h> -#include <asm/arch/pwm_backlight.h> - -static struct pwm_backlight_data *pwm; - -static int exynos_pwm_backlight_update_status(void) -{ - int brightness = pwm->brightness; - int max = pwm->max_brightness; - - if (brightness == 0) { - pwm_config(pwm->pwm_id, 0, pwm->period); - pwm_disable(pwm->pwm_id); - } else { - pwm_config(pwm->pwm_id, - brightness * pwm->period / max, pwm->period); - pwm_enable(pwm->pwm_id); - } - return 0; -} - -int exynos_pwm_backlight_init(struct pwm_backlight_data *pd) -{ - pwm = pd; - - exynos_pwm_backlight_update_status(); - - return 0; -} |