staging: sm750fb: remove parantheses from return statements

found by checkpatch.pl :ERROR: return is not a function,
parentheses are not required

changes made using coccinelle script:

@@
expression e,e1;
@@
(
return (e / e1);
|
return
-(
e
-)
;
)
Signed-off-by: Supriya Karanth <iskaranth@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/ddk750_chip.c

@@ -633,7 +633,7 @@ unsigned int formatPllReg(pll_value_t *pPLL)
       | FIELD_VALUE(0, PANEL_PLL_CTRL, N,      pPLL->N)
       | FIELD_VALUE(0, PANEL_PLL_CTRL, M,      pPLL->M);
 
-    return(ulPllReg);
+    return ulPllReg;
 }
 
 

drivers/staging/sm750fb/ddk750_swi2c.c

@@ -304,7 +304,7 @@ long swI2CWriteByte(unsigned char data)
     if (i<0xff)
         return 0;
     else
-        return (-1);
+        return -1;
 }
 
 /*
@@ -408,10 +408,10 @@ long swI2CInit(
 
     /* Return 0 if the GPIO pins to be used is out of range. The range is only from [0..63] */
     if ((i2cClkGPIO > 31) || (i2cDataGPIO > 31))
-        return (-1);
+        return -1;
 
     if (getChipType() == SM750LE)
-        return( swI2CInit_SM750LE(i2cClkGPIO, i2cDataGPIO) );
+        return swI2CInit_SM750LE(i2cClkGPIO, i2cDataGPIO);
 
     /* Initialize the GPIO pin for the i2c Clock Register */
     g_i2cClkGPIOMuxReg = GPIO_MUX;