From 1e03e03d03a358ad905e90f77565f19909b6063f Mon Sep 17 00:00:00 2001 From: Tom Rini Date: Fri, 10 Jun 2022 22:59:32 -0400 Subject: [PATCH] arm: exynos: Remove old pwm backlight driver Remove the unused older exynos pwm backlight driver. Signed-off-by: Tom Rini Reviewed-by: Minkyu Kang --- .../mach-exynos/include/mach/pwm_backlight.h | 20 --------- drivers/video/exynos/exynos_pwm_bl.c | 44 ------------------- 2 files changed, 64 deletions(-) delete mode 100644 arch/arm/mach-exynos/include/mach/pwm_backlight.h delete mode 100644 drivers/video/exynos/exynos_pwm_bl.c 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 c7d3a91e31..0000000000 --- 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 - */ - -#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 a3d467aa23..0000000000 --- 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 - * - * Derived from linux/drivers/video/backlight/pwm_backlight.c - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -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; -} -- 2.39.5