diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/video/exynos_pwm_bl.c')
| -rw-r--r-- | qemu/roms/u-boot/drivers/video/exynos_pwm_bl.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/qemu/roms/u-boot/drivers/video/exynos_pwm_bl.c b/qemu/roms/u-boot/drivers/video/exynos_pwm_bl.c deleted file mode 100644 index a6890daf2..000000000 --- a/qemu/roms/u-boot/drivers/video/exynos_pwm_bl.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * PWM BACKLIGHT driver for Board based on EXYNOS. - * - * Author: Donghwa Lee <dh09.lee@samsung.com> - * - * Derived from linux/drivers/video/backlight/pwm_backlight.c - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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; -} |