ALSA: emu10k1: use dma_set_mask_and_coherent()

We have been calling dma_set_mask() and then dma_set_coherent_mask() with
the same value, but there is a dma_set_mask_and_coherent() function that
does exactly that so let's use it instead.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/emu10k1/emu10k1_main.c

@@ -1871,8 +1871,7 @@ int snd_emu10k1_create(struct snd_card *card,
 	emu->address_mode = is_audigy ? 0 : 1;
 	/* set the DMA transfer mask */
 	emu->dma_mask = emu->address_mode ? EMU10K1_DMA_MASK : AUDIGY_DMA_MASK;
-	if (dma_set_mask(&pci->dev, emu->dma_mask) < 0 ||
-	    dma_set_coherent_mask(&pci->dev, emu->dma_mask) < 0) {
+	if (dma_set_mask_and_coherent(&pci->dev, emu->dma_mask) < 0) {
 		dev_err(card->dev,
 			"architecture does not support PCI busmaster DMA with mask 0x%lx\n",
 			emu->dma_mask);