Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

1 files changed, 14 insertions, 5 deletions

diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
index 701a1081e199..87659ed79bd7 100644
--- a/drivers/video/backlight/da903x_bl.c
+++ b/drivers/video/backlight/da903x_bl.c
@@ -18,6 +18,7 @@
 #include <linux/fb.h>
 #include <linux/backlight.h>
 #include <linux/mfd/da903x.h>
+#include <linux/slab.h>
 
 #define DA9030_WLED_CONTROL     0x25
 #define DA9030_WLED_CP_EN       (1 << 6)
@@ -25,6 +26,7 @@
 
 #define DA9034_WLED_CONTROL1    0x3C
 #define DA9034_WLED_CONTROL2    0x3D
+#define DA9034_WLED_ISET(x)     ((x) & 0x1f)
 
 #define DA9034_WLED_BOOST_EN    (1 << 5)
 
@@ -94,15 +96,17 @@ static int da903x_backlight_get_brightness(struct backlight_device *bl)
         return data->current_brightness;
 }
 
-static struct backlight_ops da903x_backlight_ops = {
+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 = kzalloc(sizeof(*data), GFP_KERNEL);
@@ -127,15 +131,20 @@ static int da903x_backlight_probe(struct platform_device *pdev)
         data->da903x_dev = pdev->dev.parent;
         data->current_brightness = 0;
 
-        bl = backlight_device_register(pdev->name, data->da903x_dev,
-                        data, &da903x_backlight_ops);
+        /* adjust the WLED output current */
+        if (pdata)
+                da903x_write(data->da903x_dev, DA9034_WLED_CONTROL2,
+                                DA9034_WLED_ISET(pdata->output_current));
+
+        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");
                 kfree(data);
                 return PTR_ERR(bl);
         }
 
-        bl->props.max_brightness = max_brightness;
         bl->props.brightness = max_brightness;
 
         platform_set_drvdata(pdev, bl);
@@ -170,7 +179,7 @@ static int da903x_backlight_resume(struct device *dev)
         return 0;
 }
 
-static struct dev_pm_ops da903x_backlight_pm_ops = {
+static const struct dev_pm_ops da903x_backlight_pm_ops = {
         .suspend        = da903x_backlight_suspend,
         .resume         = da903x_backlight_resume,
 };