[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/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 8a576b7..8ba31cf 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -2614,7 +2614,7 @@
 	ice->dmapath_port = pci_resource_start(pci, 2);
 	ice->profi_port = pci_resource_start(pci, 3);
 
-	if (request_irq(pci->irq, snd_ice1712_interrupt, IRQF_DISABLED|IRQF_SHARED,
+	if (request_irq(pci->irq, snd_ice1712_interrupt, IRQF_SHARED,
 			"ICE1712", ice)) {
 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
 		snd_ice1712_free(ice);