diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c
index 411a702..782750d 100644
--- a/sound/isa/opti9xx/opti92x-ad1848.c
+++ b/sound/isa/opti9xx/opti92x-ad1848.c
@@ -1038,8 +1038,7 @@
 
 	chip->c_dma_size = size;
 	snd_opti93x_out_mask(chip, OPTi93X_IFACE_CONF,
-		OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO,
-		(unsigned char)~(OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO));
+		OPTi93X_CAPTURE_ENABLE | OPTi93X_CAPTURE_PIO, 0);
 
 	snd_dma_program(chip->dma2, runtime->dma_addr, size,
 		DMA_MODE_READ | DMA_AUTOINIT);