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[PATCH] PNP: adjust pnp_register_card_driver() signature: dt019x

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Remove the assumption that pnp_register_card_driver() returns the
number of devices claimed.

Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: Adam Belay <[email protected]>
Cc: Jaroslav Kysela <[email protected]>
Acked-by: Takashi Iwai <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Bjorn Helgaas 2006-03-27 01:17:12 -08:00 • committed by Linus Torvalds
commit 6736a6587b
1 changed files with 9 additions and 3 deletions
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12
sound/isa/dt019x.c
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@ -272,6 +272,8 @@ static int __devinit snd_card_dt019x_probe(int dev, struct pnp_card_link *pcard,
return 0;
}
static unsigned int __devinitdata dt019x_devices;
static int __devinit snd_dt019x_pnp_probe(struct pnp_card_link *card,
const struct pnp_card_device_id *pid)
{
@ -285,6 +287,7 @@ static int __devinit snd_dt019x_pnp_probe(struct pnp_card_link *card,
if (res < 0)
return res;
dev++;
dt019x_devices++;
return 0;
}
return -ENODEV;
@ -336,10 +339,13 @@ static struct pnp_card_driver dt019x_pnpc_driver = {
static int __init alsa_card_dt019x_init(void)
{
int cards = 0;
int err;
cards = pnp_register_card_driver(&dt019x_pnpc_driver);
if (cards <= 0) {
err = pnp_register_card_driver(&dt019x_pnpc_driver);
if (err)
return err;
if (!dt019x_devices) {
pnp_unregister_card_driver(&dt019x_pnpc_driver);
#ifdef MODULE
snd_printk(KERN_ERR "no DT-019X / ALS-007 based soundcards found\n");