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ALSA: ice1724 - Fix IRQ register initialization

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The IRQMASK register has to be set to zero expclitily at the initialization
otherwise you'll get no interrupts properly at later operations.

Also, removed the old commented out codes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-11-01 11:01:50 +01:00
parent 9cbbb3ac62
commit 4074ea2149
1 changed files with 3 additions and 6 deletions
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9
sound/pci/ice1712/ice1724.c
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@ -2353,7 +2353,6 @@ static int __devinit snd_vt1724_create(struct snd_card *card,
{
struct snd_ice1712 *ice;
int err;
/* unsigned char mask; */
static struct snd_device_ops ops = {
.dev_free = snd_vt1724_dev_free,
};
@ -2414,11 +2413,9 @@ static int __devinit snd_vt1724_create(struct snd_card *card,
return -EIO;
}
/* unmask used interrupts */
#if 0 /* these are enabled/disabled dynamically */
mask = VT1724_IRQ_MPU_RX | VT1724_IRQ_MPU_TX;
outb(mask, ICEREG1724(ice, IRQMASK));
#endif
/* clear interrupts -- otherwise you'll get irq problems later */
outb(0, ICEREG1724(ice, IRQMASK));
/* don't handle FIFO overrun/underruns (just yet),
* since they cause machine lockups
*/