diff -ur alsa-driver-1.0.3-au88/alsa-kernel/pci/au88x0/au88x0_core.c alsa-driver-1.0.3-work/alsa-kernel/pci/au88x0/au88x0_core.c
--- alsa-driver-1.0.3-au88/alsa-kernel/pci/au88x0/au88x0_core.c	2004-03-06 22:46:20.000000000 -0500
+++ alsa-driver-1.0.3-work/alsa-kernel/pci/au88x0/au88x0_core.c	2004-03-06 22:43:53.000000000 -0500
@@ -2411,17 +2411,15 @@
 		/* ALSA period acknowledge. */
 		for (i = 0; i < NR_ADB; i++) {
 			if (vortex->dma_adb[i].fifo_status == FIFO_START) {
-				if (vortex_adbdma_bufshift(vortex, i)) ;
-				snd_pcm_period_elapsed(vortex->dma_adb[i].
-						       substream);
+				if (vortex_adbdma_bufshift(vortex, i))
+					snd_pcm_period_elapsed(vortex->dma_adb[i].substream);
 			}
 		}
 #ifndef CHIP_AU8810
 		for (i = 0; i < NR_WT; i++) {
 			if (vortex->dma_wt[i].fifo_status == FIFO_START) {
-				if (vortex_wtdma_bufshift(vortex, i)) ;
-				snd_pcm_period_elapsed(vortex->dma_wt[i].
-						       substream);
+				if (vortex_wtdma_bufshift(vortex, i))
+					snd_pcm_period_elapsed(vortex->dma_wt[i].substream);
 			}
 		}
 #endif