aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTom Rini2022-06-10 22:59:32 -0400
committerTom Rini2022-06-28 17:03:32 -0400
commit1e03e03d03a358ad905e90f77565f19909b6063f (patch)
treea384bcc7b7c3f1e03cc932fb3320a71149182632
parentdc2d27ae72d4e380b658d8a0ee3c683fca141f75 (diff)
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.h20
-rw-r--r--drivers/video/exynos/exynos_pwm_bl.c44
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 c7d3a91e318..00000000000
--- 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 a3d467aa23b..00000000000
--- 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;
-}