[ALSA] sound/pci/ca0106: Use the DMA_32BIT_MASK constant

CA0106 driver
Use the DMA_32BIT_MASK constant from dma-mapping.h
when calling pci_set_dma_mask() or pci_set_consistent_dma_mask()
See http://marc.theaimsgroup.com/?t=108001993000001&r=1&w=2 for details
Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/pci/ca0106/ca0106_main.c

@@ -138,6 +138,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/initval.h>
 #include <sound/pcm.h>
@@ -1132,8 +1133,8 @@ static int __devinit snd_ca0106_create(snd_card_t *card,
   
 	if ((err = pci_enable_device(pci)) < 0)
 		return err;
-	if (pci_set_dma_mask(pci, 0xffffffffUL) < 0 ||
-	    pci_set_consistent_dma_mask(pci, 0xffffffffUL) < 0) {
+	if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0 ||
+	    pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0) {
 		printk(KERN_ERR "error to set 32bit mask DMA\n");
 		pci_disable_device(pci);
 		return -ENXIO;