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ALSA: cmi8330: Allow MPU-401-less operation

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Adding MPU-401 support to cmi8330 driver could cause a regression (non-working
sound) on a system where there is no free IRQ for the MPU-401 device (which
is not very uncommon as this card requires two separate IRQs plus a third one
for MPU-401).

When MPU-401 PnP configuration fails (mostly because of unavailable IRQ), just
ignore MPU-401 and continue without it.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ondrej Zary 2009-07-07 18:09:48 +02:00 committed by Takashi Iwai
parent 0b95916723
commit 72b43cf140
1 changed files with 5 additions and 5 deletions
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10
sound/isa/cmi8330.c
View file

@ -389,12 +389,12 @@ static int __devinit snd_cmi8330_pnp(int dev, struct snd_cmi8330 *acard,
pdev = acard->mpu;
err = pnp_activate_dev(pdev);
if (err < 0) {
snd_printk(KERN_ERR "MPU-401 PnP configure failure\n");
return -EBUSY;
if (err < 0)
snd_printk(KERN_ERR "MPU-401 PnP configure failure: will be disabled\n");
else {
mpuport[dev] = pnp_port_start(pdev, 0);
mpuirq[dev] = pnp_irq(pdev, 0);
}
mpuport[dev] = pnp_port_start(pdev, 0);
mpuirq[dev] = pnp_irq(pdev, 0);
return 0;
}
#endif