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[ALSA] ad1816a: Fix modprobe snd_mpu401 && modprobe snd_ad1816a 

The ad1816a driver fails if the mpu401 driver has been loaded first. This
patch against linux 2.6.20 fixes it by just ignoring the MPU-401 device in
that case, so that the rest of the sound card can be used. The ad1816a
driver already handles the MPU-401 device being unavailable due to lack of
resources in the same way.

Signed-off-by: Rask Ingemann Lambertsen <rask@sygehus.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
hifive-unleashed-5.1
Rask Ingemann Lambertsen 2007-03-19 11:38:11 +01:00 committed by Jaroslav Kysela
parent 1b60f6b090
commit 2944275b14
1 changed files with 6 additions and 2 deletions
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8
sound/isa/ad1816a/ad1816a.c
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@ -129,8 +129,8 @@ static int __devinit snd_card_ad1816a_pnp(int dev, struct snd_card_ad1816a *acar
}
acard->devmpu = pnp_request_card_device(card, id->devs[1].id, NULL);
if (acard->devmpu == NULL) {
kfree(cfg);
return -EBUSY;
mpu_port[dev] = -1;
snd_printk(KERN_WARNING PFX "MPU401 device busy, skipping.\n");
}
pdev = acard->dev;
@ -162,6 +162,10 @@ static int __devinit snd_card_ad1816a_pnp(int dev, struct snd_card_ad1816a *acar
dma2[dev] = pnp_dma(pdev, 1);
irq[dev] = pnp_irq(pdev, 0);
if (acard->devmpu == NULL) {
kfree(cfg);
return 0;
}
pdev = acard->devmpu;
pnp_init_resource_table(cfg);