1 files changed, 33 insertions, 43 deletions

diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c
index 2f177b3a488..6ce96b4a879 100644
--- a/drivers/video/backlight/jornada720_bl.c
+++ b/drivers/video/backlight/jornada720_bl.c
@@ -38,15 +38,17 @@ static int jornada_bl_get_brightness(struct backlight_device *bd)
 	ret = jornada_ssp_byte(GETBRIGHTNESS);
 
 	if (jornada_ssp_byte(GETBRIGHTNESS) != TXDUMMY) {
-		printk(KERN_ERR "bl : get brightness timeout\n");
+		dev_err(&bd->dev, "get brightness timeout\n");
 		jornada_ssp_end();
 		return -ETIMEDOUT;
-	} else /* exchange txdummy for value */
+	} else {
+		/* exchange txdummy for value */
 		ret = jornada_ssp_byte(TXDUMMY);
+	}
 
 	jornada_ssp_end();
 
-	return (BL_MAX_BRIGHT - ret);
+	return BL_MAX_BRIGHT - ret;
 }
 
 static int jornada_bl_update_status(struct backlight_device *bd)
@@ -59,7 +61,7 @@ static int jornada_bl_update_status(struct backlight_device *bd)
 	if ((bd->props.power != FB_BLANK_UNBLANK) || (bd->props.fb_blank != FB_BLANK_UNBLANK)) {
 		ret = jornada_ssp_byte(BRIGHTNESSOFF);
 		if (ret != TXDUMMY) {
-			printk(KERN_INFO "bl : brightness off timeout\n");
+			dev_info(&bd->dev, "brightness off timeout\n");
 			/* turn off backlight */
 			PPSR &= ~PPC_LDD1;
 			PPDR |= PPC_LDD1;
@@ -70,23 +72,28 @@ static int jornada_bl_update_status(struct backlight_device *bd)
 
 		/* send command to our mcu */
 		if (jornada_ssp_byte(SETBRIGHTNESS) != TXDUMMY) {
-			printk(KERN_INFO "bl : failed to set brightness\n");
+			dev_info(&bd->dev, "failed to set brightness\n");
 			ret = -ETIMEDOUT;
 			goto out;
 		}
 
-		/* at this point we expect that the mcu has accepted
-		   our command and is waiting for our new value
-		   please note that maximum brightness is 255,
-		   but due to physical layout it is equal to 0, so we simply
-		   invert the value (MAX VALUE - NEW VALUE). */
-		if (jornada_ssp_byte(BL_MAX_BRIGHT - bd->props.brightness) != TXDUMMY) {
-			printk(KERN_ERR "bl : set brightness failed\n");
+		/*
+		 * at this point we expect that the mcu has accepted
+		 * our command and is waiting for our new value
+		 * please note that maximum brightness is 255,
+		 * but due to physical layout it is equal to 0, so we simply
+		 * invert the value (MAX VALUE - NEW VALUE).
+		 */
+		if (jornada_ssp_byte(BL_MAX_BRIGHT - bd->props.brightness)
+			!= TXDUMMY) {
+			dev_err(&bd->dev, "set brightness failed\n");
 			ret = -ETIMEDOUT;
 		}
 
-		/* If infact we get an TXDUMMY as output we are happy and dont
-		   make any further comments about it */
+		/*
+		 * If infact we get an TXDUMMY as output we are happy and dont
+		 * make any further comments about it
+		 */
 out:
 	jornada_ssp_end();
 
@@ -106,59 +113,42 @@ static int jornada_bl_probe(struct platform_device *pdev)
 	struct backlight_device *bd;
 
 	memset(&props, 0, sizeof(struct backlight_properties));
+	props.type = BACKLIGHT_RAW;
 	props.max_brightness = BL_MAX_BRIGHT;
-	bd = backlight_device_register(S1D_DEVICENAME, &pdev->dev, NULL,
-				       &jornada_bl_ops, &props);
 
+	bd = devm_backlight_device_register(&pdev->dev, S1D_DEVICENAME,
+					&pdev->dev, NULL, &jornada_bl_ops,
+					&props);
 	if (IS_ERR(bd)) {
 		ret = PTR_ERR(bd);
-		printk(KERN_ERR "bl : failed to register device, err=%x\n", ret);
+		dev_err(&pdev->dev, "failed to register device, err=%x\n", ret);
 		return ret;
 	}
 
 	bd->props.power = FB_BLANK_UNBLANK;
 	bd->props.brightness = BL_DEF_BRIGHT;
-	/* note. make sure max brightness is set otherwise
-	   you will get seemingly non-related errors when
-	   trying to change brightness */
+	/*
+	 * note. make sure max brightness is set otherwise
+	 * you will get seemingly non-related errors when
+	 * trying to change brightness
+	 */
 	jornada_bl_update_status(bd);
 
 	platform_set_drvdata(pdev, bd);
-	printk(KERN_INFO "HP Jornada 700 series backlight driver\n");
-
-	return 0;
-}
-
-static int jornada_bl_remove(struct platform_device *pdev)
-{
-	struct backlight_device *bd = platform_get_drvdata(pdev);
-
-	backlight_device_unregister(bd);
+	dev_info(&pdev->dev, "HP Jornada 700 series backlight driver\n");
 
 	return 0;
 }
 
 static struct platform_driver jornada_bl_driver = {
 	.probe		= jornada_bl_probe,
-	.remove		= jornada_bl_remove,
 	.driver	= {
 		.name	= "jornada_bl",
 	},
 };
 
-int __init jornada_bl_init(void)
-{
-	return platform_driver_register(&jornada_bl_driver);
-}
-
-void __exit jornada_bl_exit(void)
-{
-	platform_driver_unregister(&jornada_bl_driver);
-}
+module_platform_driver(jornada_bl_driver);
 
 MODULE_AUTHOR("Kristoffer Ericson <kristoffer.ericson>");
 MODULE_DESCRIPTION("HP Jornada 710/720/728 Backlight driver");
 MODULE_LICENSE("GPL");
-
-module_init(jornada_bl_init);
-module_exit(jornada_bl_exit);