arm: exynos: Remove old pwm backlight driver
authorTom Rini <trini@konsulko.com>
Sat, 11 Jun 2022 02:59:32 +0000 (22:59 -0400)
committerTom Rini <trini@konsulko.com>
Tue, 28 Jun 2022 21:03:32 +0000 (17:03 -0400)
Remove the unused older exynos pwm backlight driver.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
arch/arm/mach-exynos/include/mach/pwm_backlight.h [deleted file]
drivers/video/exynos/exynos_pwm_bl.c [deleted file]

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 (file)
index c7d3a91..0000000
+++ /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 (file)
index a3d467a..0000000
+++ /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;
-}