}
 
 int s5k83a_read_sensor(struct sd *sd, const u8 address,
-                             u8 *i2c_data, const u8 len)
+                      u8 *i2c_data, const u8 len)
 {
        int err, i;
 
        }
 
 out:
-       return (err < 0) ? err : 0;
+       return err;
 }
 
 int s5k83a_write_sensor(struct sd *sd, const u8 address,
-                              u8 *i2c_data, const u8 len)
+                       u8 *i2c_data, const u8 len)
 {
        int err, i;
        u8 *p;
 
 #include "m5602_sensor.h"
 
 #define S5K83A_FLIP                            0x01
-#define S5K83A_HFLIP_TUNE              0x03
-#define S5K83A_VFLIP_TUNE              0x05
-#define S5K83A_WHITENESS               0x0a
+#define S5K83A_HFLIP_TUNE                      0x03
+#define S5K83A_VFLIP_TUNE                      0x05
+#define S5K83A_WHITENESS                       0x0a
 #define S5K83A_GAIN                            0x18
-#define S5K83A_BRIGHTNESS              0x1b
-#define S5K83A_PAGE_MAP                        0xec
+#define S5K83A_BRIGHTNESS                      0x1b
+#define S5K83A_PAGE_MAP                                0xec
 
-#define S5K83A_DEFAULT_BRIGHTNESS      0x71
-#define S5K83A_DEFAULT_WHITENESS       0x7e
+#define S5K83A_DEFAULT_BRIGHTNESS              0x71
+#define S5K83A_DEFAULT_WHITENESS               0x7e
 #define S5K83A_DEFAULT_GAIN                    0x00
 #define S5K83A_MAXIMUM_GAIN                    0x3c
 #define S5K83A_FLIP_MASK                       0x10