Update S3C2410_ADCTSC_XY_PST macro to allow setting the ADCTSC_XY_PST
bits.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 #define S3C2410_ADCTSC_XP_SEN          (1<<4)
 #define S3C2410_ADCTSC_PULL_UP_DISABLE (1<<3)
 #define S3C2410_ADCTSC_AUTO_PST                (1<<2)
-#define S3C2410_ADCTSC_XY_PST          (0x3<<0)
+#define S3C2410_ADCTSC_XY_PST(x)       (((x)&0x3)<<0)
 
 /* ADCDAT0 Bits */
 #define S3C2410_ADCDAT0_UPDOWN         (1<<15)