diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index 083e03c5639ff4a9c1dfd68364bb5144a7a4df11..f8f34505f4709aba8ffeb8b2d6dd3cb1efb6aa9d 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1626,7 +1626,7 @@
 #define SSCR0_RIM	(1 << 22)	/* Receive FIFO overrrun interrupt mask */
 #define SSCR0_TUM	(1 << 23)	/* Transmit FIFO underrun interrupt mask */
 #define SSCR0_FRDC	(0x07000000)	/* Frame rate divider control (mask) */
-#define SSCR0_SlotsPerFrm(x) ((x) - 1)	/* Time slots per frame [1..8] */
+#define SSCR0_SlotsPerFrm(x) (((x) - 1) << 24)	/* Time slots per frame [1..8] */
 #define SSCR0_ADC	(1 << 30)	/* Audio clock select */
 #define SSCR0_MOD	(1 << 31)	/* Mode (normal or network) */
 #endif