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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/omap1_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/omap1_bl.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/video/backlight/omap1_bl.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/ANDROID_3.4.5/drivers/video/backlight/omap1_bl.c b/ANDROID_3.4.5/drivers/video/backlight/omap1_bl.c deleted file mode 100644 index 0175bfb0..00000000 --- a/ANDROID_3.4.5/drivers/video/backlight/omap1_bl.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * Backlight driver for OMAP based boards. - * - * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org> - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This package 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 package; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/slab.h> - -#include <mach/hardware.h> -#include <plat/board.h> -#include <plat/mux.h> - -#define OMAPBL_MAX_INTENSITY 0xff - -struct omap_backlight { - int powermode; - int current_intensity; - - struct device *dev; - struct omap_backlight_config *pdata; -}; - -static void inline omapbl_send_intensity(int intensity) -{ - omap_writeb(intensity, OMAP_PWL_ENABLE); -} - -static void inline omapbl_send_enable(int enable) -{ - omap_writeb(enable, OMAP_PWL_CLK_ENABLE); -} - -static void omapbl_blank(struct omap_backlight *bl, int mode) -{ - if (bl->pdata->set_power) - bl->pdata->set_power(bl->dev, mode); - - switch (mode) { - case FB_BLANK_NORMAL: - case FB_BLANK_VSYNC_SUSPEND: - case FB_BLANK_HSYNC_SUSPEND: - case FB_BLANK_POWERDOWN: - omapbl_send_intensity(0); - omapbl_send_enable(0); - break; - - case FB_BLANK_UNBLANK: - omapbl_send_intensity(bl->current_intensity); - omapbl_send_enable(1); - break; - } -} - -#ifdef CONFIG_PM -static int omapbl_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct backlight_device *dev = platform_get_drvdata(pdev); - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - - omapbl_blank(bl, FB_BLANK_POWERDOWN); - return 0; -} - -static int omapbl_resume(struct platform_device *pdev) -{ - struct backlight_device *dev = platform_get_drvdata(pdev); - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - - omapbl_blank(bl, bl->powermode); - return 0; -} -#else -#define omapbl_suspend NULL -#define omapbl_resume NULL -#endif - -static int omapbl_set_power(struct backlight_device *dev, int state) -{ - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - - omapbl_blank(bl, state); - bl->powermode = state; - - return 0; -} - -static int omapbl_update_status(struct backlight_device *dev) -{ - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - - if (bl->current_intensity != dev->props.brightness) { - if (bl->powermode == FB_BLANK_UNBLANK) - omapbl_send_intensity(dev->props.brightness); - bl->current_intensity = dev->props.brightness; - } - - if (dev->props.fb_blank != bl->powermode) - omapbl_set_power(dev, dev->props.fb_blank); - - return 0; -} - -static int omapbl_get_intensity(struct backlight_device *dev) -{ - struct omap_backlight *bl = dev_get_drvdata(&dev->dev); - return bl->current_intensity; -} - -static const struct backlight_ops omapbl_ops = { - .get_brightness = omapbl_get_intensity, - .update_status = omapbl_update_status, -}; - -static int omapbl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct backlight_device *dev; - struct omap_backlight *bl; - struct omap_backlight_config *pdata = pdev->dev.platform_data; - - if (!pdata) - return -ENXIO; - - bl = devm_kzalloc(&pdev->dev, sizeof(struct omap_backlight), - GFP_KERNEL); - if (unlikely(!bl)) - return -ENOMEM; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = OMAPBL_MAX_INTENSITY; - dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops, - &props); - if (IS_ERR(dev)) - return PTR_ERR(dev); - - bl->powermode = FB_BLANK_POWERDOWN; - bl->current_intensity = 0; - - bl->pdata = pdata; - bl->dev = &pdev->dev; - - platform_set_drvdata(pdev, dev); - - omap_cfg_reg(PWL); /* Conflicts with UART3 */ - - dev->props.fb_blank = FB_BLANK_UNBLANK; - dev->props.brightness = pdata->default_intensity; - omapbl_update_status(dev); - - printk(KERN_INFO "OMAP LCD backlight initialised\n"); - - return 0; -} - -static int omapbl_remove(struct platform_device *pdev) -{ - struct backlight_device *dev = platform_get_drvdata(pdev); - - backlight_device_unregister(dev); - - return 0; -} - -static struct platform_driver omapbl_driver = { - .probe = omapbl_probe, - .remove = omapbl_remove, - .suspend = omapbl_suspend, - .resume = omapbl_resume, - .driver = { - .name = "omap-bl", - }, -}; - -module_platform_driver(omapbl_driver); - -MODULE_AUTHOR("Andrzej Zaborowski <balrog@zabor.org>"); -MODULE_DESCRIPTION("OMAP LCD Backlight driver"); -MODULE_LICENSE("GPL"); |