OMAP: McBSP: Do not enable wakeups for no-idle mode

When no-idle mode is taken, wakeups need not to be enabled.
Moreover, CLOCKACTIVITY bits are unnecessary with this mode
also.
Signed-off-by: NEero Nurkkala <ext-eero.nurkkala@nokia.com>
Acked-by: NEduardo Valentin <eduardo.valentin@nokia.com>
Acked-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

arch/arm/plat-omap/mcbsp.c

@@ -319,16 +319,17 @@ static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp)
 		syscon &= ~(ENAWAKEUP | SIDLEMODE(0x03) | CLOCKACTIVITY(0x03));
 
 		spin_lock_irq(&mcbsp->lock);
-		if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD)
-			syscon |= SIDLEMODE(0x02);
-		else
+		if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) {
+			syscon |= (ENAWAKEUP | SIDLEMODE(0x02) |
+					CLOCKACTIVITY(0x02));
+			OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN,
+					XRDYEN | RRDYEN);
+		} else {
 			syscon |= SIDLEMODE(0x01);
+		}
 		spin_unlock_irq(&mcbsp->lock);
 
-		syscon |= (ENAWAKEUP | CLOCKACTIVITY(0x02));
 		OMAP_MCBSP_WRITE(mcbsp->io_base, SYSCON, syscon);
-
-		OMAP_MCBSP_WRITE(mcbsp->io_base, WAKEUPEN, XRDYEN | RRDYEN);
 	}
 }