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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/video/backlight/hp680_bl.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/video/backlight/hp680_bl.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/video/backlight/hp680_bl.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/ANDROID_3.4.5/drivers/video/backlight/hp680_bl.c b/ANDROID_3.4.5/drivers/video/backlight/hp680_bl.c deleted file mode 100644 index 38aa0027..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/hp680_bl.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Backlight Driver for HP Jornada 680 - * - * Copyright (c) 2005 Andriy Skulysh - * - * Based on Sharp's Corgi Backlight Driver - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/spinlock.h> -#include <linux/fb.h> -#include <linux/backlight.h> - -#include <cpu/dac.h> -#include <mach/hp6xx.h> -#include <asm/hd64461.h> - -#define HP680_MAX_INTENSITY 255 -#define HP680_DEFAULT_INTENSITY 10 - -static int hp680bl_suspended; -static int current_intensity = 0; -static DEFINE_SPINLOCK(bl_lock); - -static void hp680bl_send_intensity(struct backlight_device *bd) -{ - unsigned long flags; - u16 v; - int intensity = bd->props.brightness; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - if (bd->props.fb_blank != FB_BLANK_UNBLANK) - intensity = 0; - if (hp680bl_suspended) - intensity = 0; - - spin_lock_irqsave(&bl_lock, flags); - if (intensity && current_intensity == 0) { - sh_dac_enable(DAC_LCD_BRIGHTNESS); - v = inw(HD64461_GPBDR); - v &= ~HD64461_GPBDR_LCDOFF; - outw(v, HD64461_GPBDR); - sh_dac_output(255-(u8)intensity, DAC_LCD_BRIGHTNESS); - } else if (intensity == 0 && current_intensity != 0) { - sh_dac_output(255-(u8)intensity, DAC_LCD_BRIGHTNESS); - sh_dac_disable(DAC_LCD_BRIGHTNESS); - v = inw(HD64461_GPBDR); - v |= HD64461_GPBDR_LCDOFF; - outw(v, HD64461_GPBDR); - } else if (intensity) { - sh_dac_output(255-(u8)intensity, DAC_LCD_BRIGHTNESS); - } - spin_unlock_irqrestore(&bl_lock, flags); - - current_intensity = intensity; -} - - -#ifdef CONFIG_PM -static int hp680bl_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - hp680bl_suspended = 1; - hp680bl_send_intensity(bd); - return 0; -} - -static int hp680bl_resume(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - hp680bl_suspended = 0; - hp680bl_send_intensity(bd); - return 0; -} -#else -#define hp680bl_suspend NULL -#define hp680bl_resume NULL -#endif - -static int hp680bl_set_intensity(struct backlight_device *bd) -{ - hp680bl_send_intensity(bd); - return 0; -} - -static int hp680bl_get_intensity(struct backlight_device *bd) -{ - return current_intensity; -} - -static const struct backlight_ops hp680bl_ops = { - .get_brightness = hp680bl_get_intensity, - .update_status = hp680bl_set_intensity, -}; - -static int __devinit hp680bl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct backlight_device *bd; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = HP680_MAX_INTENSITY; - bd = backlight_device_register("hp680-bl", &pdev->dev, NULL, - &hp680bl_ops, &props); - if (IS_ERR(bd)) - return PTR_ERR(bd); - - platform_set_drvdata(pdev, bd); - - bd->props.brightness = HP680_DEFAULT_INTENSITY; - hp680bl_send_intensity(bd); - - return 0; -} - -static int hp680bl_remove(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - bd->props.brightness = 0; - bd->props.power = 0; - hp680bl_send_intensity(bd); - - backlight_device_unregister(bd); - - return 0; -} - -static struct platform_driver hp680bl_driver = { - .probe = hp680bl_probe, - .remove = hp680bl_remove, - .suspend = hp680bl_suspend, - .resume = hp680bl_resume, - .driver = { - .name = "hp680-bl", - }, -}; - -static struct platform_device *hp680bl_device; - -static int __init hp680bl_init(void) -{ - int ret; - - ret = platform_driver_register(&hp680bl_driver); - if (ret) - return ret; - hp680bl_device = platform_device_register_simple("hp680-bl", -1, - NULL, 0); - if (IS_ERR(hp680bl_device)) { - platform_driver_unregister(&hp680bl_driver); - return PTR_ERR(hp680bl_device); - } - return 0; -} - -static void __exit hp680bl_exit(void) -{ - platform_device_unregister(hp680bl_device); - platform_driver_unregister(&hp680bl_driver); -} - -module_init(hp680bl_init); -module_exit(hp680bl_exit); - -MODULE_AUTHOR("Andriy Skulysh <askulysh@gmail.com>"); -MODULE_DESCRIPTION("HP Jornada 680 Backlight Driver"); -MODULE_LICENSE("GPL"); |