backlight: fix adp8860_bl build errors

Add slab.h to fix part of build.
Add a parameter in backlight_device_register() call to fix part of build.

drivers/video/backlight/adp8860_bl.c:215: error: implicit declaration of function 'kzalloc'
drivers/video/backlight/adp8860_bl.c:215: warning: assignment makes pointer from integer without a cast
drivers/video/backlight/adp8860_bl.c:285: error: implicit declaration of function 'kfree'
drivers/video/backlight/adp8860_bl.c:673: warning: assignment makes pointer from integer without a cast
drivers/video/backlight/adp8860_bl.c:689: error: too few arguments to function 'backlight_device_register'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
index 3c449d2f68b..99d14ed8857 100644
--- a/drivers/video/backlight/adp8860_bl.c
+++ b/drivers/video/backlight/adp8860_bl.c
@@ -16,6 +16,7 @@
 #include <linux/fb.h>
 #include <linux/backlight.h>
 #include <linux/leds.h>
+#include <linux/slab.h>
 #include <linux/workqueue.h>
 
 #include <linux/i2c/adp8860.h>
@@ -647,6 +648,7 @@ static int __devinit adp8860_probe(struct i2c_client *client,
         struct adp8860_bl *data;
         struct adp8860_backlight_platform_data *pdata =
                 client->dev.platform_data;
+        struct backlight_properties props;
         uint8_t reg_val;
         int ret;
 
@@ -683,10 +685,13 @@ static int __devinit adp8860_probe(struct i2c_client *client,
         data->current_brightness = 0;
         i2c_set_clientdata(client, data);
 
+        memset(&props, 0, sizeof(props));
+        props.max_brightness = ADP8860_MAX_BRIGHTNESS;
+
         mutex_init(&data->lock);
 
         bl = backlight_device_register(dev_driver_string(&client->dev),
-                        &client->dev, data, &adp8860_bl_ops);
+                        &client->dev, data, &adp8860_bl_ops, &props);
         if (IS_ERR(bl)) {
                 dev_err(&client->dev, "failed to register backlight\n");
                 ret = PTR_ERR(bl);