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| author | Ondrej Zary <linux@rainbow-software.org> | 2009-07-07 18:09:48 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-07-07 18:24:53 +0200 |
| commit | 72b43cf1402169e8bc088838a6db91d613c35627 (patch) | |
| tree | 20b2ee598974bd6bd82d0635780c18b631e2bc2f | |
| parent | 0b959167237208bc1a811e30bf866cd29bff1652 (diff) | |
| download | linux-3.10-72b43cf1402169e8bc088838a6db91d613c35627.tar.gz linux-3.10-72b43cf1402169e8bc088838a6db91d613c35627.tar.bz2 linux-3.10-72b43cf1402169e8bc088838a6db91d613c35627.zip | |
ALSA: cmi8330: Allow MPU-401-less operation
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>
| -rw-r--r-- | sound/isa/cmi8330.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c index f7acb8dac18..02f79d25271 100644 --- a/sound/isa/cmi8330.c +++ b/sound/isa/cmi8330.c @@ -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 |