diff options
Diffstat (limited to 'drivers/video/backlight/aat2870_bl.c')
| -rw-r--r-- | drivers/video/backlight/aat2870_bl.c | 37 |
1 files changed, 5 insertions, 32 deletions
diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c index 50774e657700..8b790df1e842 100644 --- a/drivers/video/backlight/aat2870_bl.c +++ b/drivers/video/backlight/aat2870_bl.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/video/backlight/aat2870_bl.c * * Copyright (c) 2011, NVIDIA Corporation. * Author: Jin Park <jinyoungp@nvidia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA */ #include <linux/module.h> @@ -25,7 +12,6 @@ #include <linux/platform_device.h> #include <linux/mutex.h> #include <linux/delay.h> -#include <linux/fb.h> #include <linux/backlight.h> #include <linux/mfd/aat2870.h> @@ -72,7 +58,7 @@ static int aat2870_bl_update_status(struct backlight_device *bd) struct aat2870_bl_driver_data *aat2870_bl = bl_get_data(bd); struct aat2870_data *aat2870 = dev_get_drvdata(aat2870_bl->pdev->dev.parent); - int brightness = bd->props.brightness; + int brightness = backlight_get_brightness(bd); int ret; if ((brightness < 0) || (bd->props.max_brightness < brightness)) { @@ -83,11 +69,6 @@ static int aat2870_bl_update_status(struct backlight_device *bd) dev_dbg(&bd->dev, "brightness=%d, power=%d, state=%d\n", bd->props.brightness, bd->props.power, bd->props.state); - if ((bd->props.power != FB_BLANK_UNBLANK) || - (bd->props.state & BL_CORE_FBBLANK) || - (bd->props.state & BL_CORE_SUSPENDED)) - brightness = 0; - ret = aat2870->write(aat2870, AAT2870_BLM, (u8)aat2870_brightness(aat2870_bl, brightness)); if (ret < 0) @@ -108,15 +89,9 @@ static int aat2870_bl_update_status(struct backlight_device *bd) return 0; } -static int aat2870_bl_check_fb(struct backlight_device *bd, struct fb_info *fi) -{ - return 1; -} - static const struct backlight_ops aat2870_bl_ops = { .options = BL_CORE_SUSPENDRESUME, .update_status = aat2870_bl_update_status, - .check_fb = aat2870_bl_check_fb, }; static int aat2870_bl_probe(struct platform_device *pdev) @@ -181,7 +156,7 @@ static int aat2870_bl_probe(struct platform_device *pdev) bd->props.max_brightness = 255; aat2870_bl->brightness = 0; - bd->props.power = FB_BLANK_UNBLANK; + bd->props.power = BACKLIGHT_POWER_ON; bd->props.brightness = bd->props.max_brightness; ret = aat2870_bl_update_status(bd); @@ -196,16 +171,14 @@ out: return ret; } -static int aat2870_bl_remove(struct platform_device *pdev) +static void aat2870_bl_remove(struct platform_device *pdev) { struct aat2870_bl_driver_data *aat2870_bl = platform_get_drvdata(pdev); struct backlight_device *bd = aat2870_bl->bd; - bd->props.power = FB_BLANK_POWERDOWN; + bd->props.power = BACKLIGHT_POWER_OFF; bd->props.brightness = 0; backlight_update_status(bd); - - return 0; } static struct platform_driver aat2870_bl_driver = { |