rkfb_sys.c:fix warning

	warning: initialization discards qualifiers from pointer target type
	warning: no return statement in function returning non-void

diff --git a/drivers/video/rockchip/rkfb_sysfs.c b/drivers/video/rockchip/rkfb_sysfs.c
index 67ba6c9f8db7ee046cacd4a7865924588c998565..5714cf10d6a2e618e795e8abab146eedb7e267a6 100644 (file)
--- a/drivers/video/rockchip/rkfb_sysfs.c
+++ b/drivers/video/rockchip/rkfb_sysfs.c
@@ -275,13 +275,14 @@ static ssize_t set_fb_win_map(struct device *dev,struct device_attribute *attr,
 static ssize_t show_dsp_lut(struct device *dev,
                struct device_attribute *attr, char *buf)
 {
-       
+
+       return 0;       
 }
 static ssize_t set_dsp_lut(struct device *dev,struct device_attribute *attr,
        const char *buf, size_t count)
 {
        int dsp_lut[256];
-       char *start = buf;
+       const char *start = buf;
        int i=256,j,temp;
        int space_max = 10;