[ALSA] Remove IRQF_DISABLED for shared PCI irqs

Fix IRQ flags for PCI devices.
The shared IRQs for PCI devices shouldn't be allocated with
IRQF_DISABLED.  Also, when MSI is enabled, IRQF_SHARED shouldn't
be used.
The patch removes unnecessary cast in request_irq and free_irq,
too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index a7edd56..9327ab2 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -2095,7 +2095,7 @@
 		snd_ali_disable_address_interrupt(codec);
 	if (codec->irq >= 0) {
 		synchronize_irq(codec->irq);
-		free_irq(codec->irq, (void *)codec);
+		free_irq(codec->irq, codec);
 	}
 	if (codec->port)
 		pci_release_regions(codec->pci);
@@ -2192,7 +2192,8 @@
 		return err;
 	codec->port = pci_resource_start(codec->pci, 0);
 
-	if (request_irq(codec->pci->irq, snd_ali_card_interrupt, IRQF_DISABLED|IRQF_SHARED, "ALI 5451", (void *)codec)) {
+	if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
+			IRQF_SHARED, "ALI 5451", codec)) {
 		snd_printk(KERN_ERR "Unable to request irq.\n");
 		return -EBUSY;
 	}