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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/video/backlight/da903x_bl.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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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/da903x_bl.c')
-rw-r--r--ANDROID_3.4.5/drivers/video/backlight/da903x_bl.c204
1 files changed, 0 insertions, 204 deletions
diff --git a/ANDROID_3.4.5/drivers/video/backlight/da903x_bl.c b/ANDROID_3.4.5/drivers/video/backlight/da903x_bl.c
deleted file mode 100644
index 30e19681..00000000
--- a/ANDROID_3.4.5/drivers/video/backlight/da903x_bl.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Backlight driver for Dialog Semiconductor DA9030/DA9034
- *
- * Copyright (C) 2008 Compulab, Ltd.
- * Mike Rapoport <mike@compulab.co.il>
- *
- * Copyright (C) 2006-2008 Marvell International Ltd.
- * Eric Miao <eric.miao@marvell.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.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/fb.h>
-#include <linux/backlight.h>
-#include <linux/mfd/da903x.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-
-#define DA9030_WLED_CONTROL 0x25
-#define DA9030_WLED_CP_EN (1 << 6)
-#define DA9030_WLED_TRIM(x) ((x) & 0x7)
-
-#define DA9034_WLED_CONTROL1 0x3C
-#define DA9034_WLED_CONTROL2 0x3D
-#define DA9034_WLED_ISET(x) ((x) & 0x1f)
-
-#define DA9034_WLED_BOOST_EN (1 << 5)
-
-#define DA9030_MAX_BRIGHTNESS 7
-#define DA9034_MAX_BRIGHTNESS 0x7f
-
-struct da903x_backlight_data {
- struct device *da903x_dev;
- int id;
- int current_brightness;
-};
-
-static int da903x_backlight_set(struct backlight_device *bl, int brightness)
-{
- struct da903x_backlight_data *data = bl_get_data(bl);
- struct device *dev = data->da903x_dev;
- uint8_t val;
- int ret = 0;
-
- switch (data->id) {
- case DA9034_ID_WLED:
- ret = da903x_update(dev, DA9034_WLED_CONTROL1,
- brightness, 0x7f);
- if (ret)
- return ret;
-
- if (data->current_brightness && brightness == 0)
- ret = da903x_clr_bits(dev,
- DA9034_WLED_CONTROL2,
- DA9034_WLED_BOOST_EN);
-
- if (data->current_brightness == 0 && brightness)
- ret = da903x_set_bits(dev,
- DA9034_WLED_CONTROL2,
- DA9034_WLED_BOOST_EN);
- break;
- case DA9030_ID_WLED:
- val = DA9030_WLED_TRIM(brightness);
- val |= brightness ? DA9030_WLED_CP_EN : 0;
- ret = da903x_write(dev, DA9030_WLED_CONTROL, val);
- break;
- }
-
- if (ret)
- return ret;
-
- data->current_brightness = brightness;
- return 0;
-}
-
-static int da903x_backlight_update_status(struct backlight_device *bl)
-{
- int brightness = bl->props.brightness;
-
- if (bl->props.power != FB_BLANK_UNBLANK)
- brightness = 0;
-
- if (bl->props.fb_blank != FB_BLANK_UNBLANK)
- brightness = 0;
-
- return da903x_backlight_set(bl, brightness);
-}
-
-static int da903x_backlight_get_brightness(struct backlight_device *bl)
-{
- struct da903x_backlight_data *data = bl_get_data(bl);
- return data->current_brightness;
-}
-
-static const struct backlight_ops da903x_backlight_ops = {
- .update_status = da903x_backlight_update_status,
- .get_brightness = da903x_backlight_get_brightness,
-};
-
-static int da903x_backlight_probe(struct platform_device *pdev)
-{
- struct da9034_backlight_pdata *pdata = pdev->dev.platform_data;
- struct da903x_backlight_data *data;
- struct backlight_device *bl;
- struct backlight_properties props;
- int max_brightness;
-
- data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
- if (data == NULL)
- return -ENOMEM;
-
- switch (pdev->id) {
- case DA9030_ID_WLED:
- max_brightness = DA9030_MAX_BRIGHTNESS;
- break;
- case DA9034_ID_WLED:
- max_brightness = DA9034_MAX_BRIGHTNESS;
- break;
- default:
- dev_err(&pdev->dev, "invalid backlight device ID(%d)\n",
- pdev->id);
- return -EINVAL;
- }
-
- data->id = pdev->id;
- data->da903x_dev = pdev->dev.parent;
- data->current_brightness = 0;
-
- /* adjust the WLED output current */
- if (pdata)
- da903x_write(data->da903x_dev, DA9034_WLED_CONTROL2,
- DA9034_WLED_ISET(pdata->output_current));
-
- props.type = BACKLIGHT_RAW;
- props.max_brightness = max_brightness;
- bl = backlight_device_register(pdev->name, data->da903x_dev, data,
- &da903x_backlight_ops, &props);
- if (IS_ERR(bl)) {
- dev_err(&pdev->dev, "failed to register backlight\n");
- return PTR_ERR(bl);
- }
-
- bl->props.brightness = max_brightness;
-
- platform_set_drvdata(pdev, bl);
- backlight_update_status(bl);
- return 0;
-}
-
-static int da903x_backlight_remove(struct platform_device *pdev)
-{
- struct backlight_device *bl = platform_get_drvdata(pdev);
-
- backlight_device_unregister(bl);
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int da903x_backlight_suspend(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct backlight_device *bl = platform_get_drvdata(pdev);
- return da903x_backlight_set(bl, 0);
-}
-
-static int da903x_backlight_resume(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct backlight_device *bl = platform_get_drvdata(pdev);
-
- backlight_update_status(bl);
- return 0;
-}
-
-static const struct dev_pm_ops da903x_backlight_pm_ops = {
- .suspend = da903x_backlight_suspend,
- .resume = da903x_backlight_resume,
-};
-#endif
-
-static struct platform_driver da903x_backlight_driver = {
- .driver = {
- .name = "da903x-backlight",
- .owner = THIS_MODULE,
-#ifdef CONFIG_PM
- .pm = &da903x_backlight_pm_ops,
-#endif
- },
- .probe = da903x_backlight_probe,
- .remove = da903x_backlight_remove,
-};
-
-module_platform_driver(da903x_backlight_driver);
-
-MODULE_DESCRIPTION("Backlight Driver for Dialog Semiconductor DA9030/DA9034");
-MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
- "Mike Rapoport <mike@compulab.co.il>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:da903x-backlight");