drivers/video/backlight: rename da903x to da903x_bl

Currently both da903x backlight and voltage reulator drivers have the
same name. Rename the backlight driver to allow use of both drivers as
modules.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Eric Miao <eric.miao@marvell.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 203 deletions

diff --git a/drivers/video/backlight/da903x.c b/drivers/video/backlight/da903x.c
deleted file mode 100644
index 93bb4340cc6..00000000000
--- a/drivers/video/backlight/da903x.c
+++ /dev/null
@@ -1,203 +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>
-
-#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_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 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 da903x_backlight_data *data;
-	struct backlight_device *bl;
-	int max_brightness;
-
-	data = kzalloc(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);
-		kfree(data);
-		return -EINVAL;
-	}
-
-	data->id = pdev->id;
-	data->da903x_dev = pdev->dev.parent;
-	data->current_brightness = 0;
-
-	bl = backlight_device_register(pdev->name, data->da903x_dev,
-			data, &da903x_backlight_ops);
-	if (IS_ERR(bl)) {
-		dev_err(&pdev->dev, "failed to register backlight\n");
-		kfree(data);
-		return PTR_ERR(bl);
-	}
-
-	bl->props.max_brightness = max_brightness;
-	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);
-	struct da903x_backlight_data *data = bl_get_data(bl);
-
-	backlight_device_unregister(bl);
-	kfree(data);
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int da903x_backlight_suspend(struct platform_device *pdev,
-				 pm_message_t state)
-{
-	struct backlight_device *bl = platform_get_drvdata(pdev);
-	return da903x_backlight_set(bl, 0);
-}
-
-static int da903x_backlight_resume(struct platform_device *pdev)
-{
-	struct backlight_device *bl = platform_get_drvdata(pdev);
-
-	backlight_update_status(bl);
-	return 0;
-}
-#else
-#define da903x_backlight_suspend	NULL
-#define da903x_backlight_resume		NULL
-#endif
-
-static struct platform_driver da903x_backlight_driver = {
-	.driver		= {
-		.name	= "da903x-backlight",
-		.owner	= THIS_MODULE,
-	},
-	.probe		= da903x_backlight_probe,
-	.remove		= da903x_backlight_remove,
-	.suspend	= da903x_backlight_suspend,
-	.resume		= da903x_backlight_resume,
-};
-
-static int __init da903x_backlight_init(void)
-{
-	return platform_driver_register(&da903x_backlight_driver);
-}
-module_init(da903x_backlight_init);
-
-static void __exit da903x_backlight_exit(void)
-{
-	platform_driver_unregister(&da903x_backlight_driver);
-}
-module_exit(da903x_backlight_exit);
-
-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");