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[PATCH] PNP: adjust pnp_register_card_driver() signature: ad1816a

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

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Jaroslav Kysela <perex@suse.cz>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Bjorn Helgaas 2006-03-27 01:17:08 -08:00 committed by Linus Torvalds
parent 982c609448
commit 5f53f4e210
1 changed files with 9 additions and 3 deletions
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12
sound/isa/ad1816a/ad1816a.c
View file

@ -262,6 +262,8 @@ static int __devinit snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard
return 0;
}
static unsigned int __devinitdata ad1816a_devices;
static int __devinit snd_ad1816a_pnp_detect(struct pnp_card_link *card,
const struct pnp_card_device_id *id)
{
@ -275,6 +277,7 @@ static int __devinit snd_ad1816a_pnp_detect(struct pnp_card_link *card,
if (res < 0)
return res;
dev++;
ad1816a_devices++;
return 0;
}
return -ENODEV;
@ -297,10 +300,13 @@ static struct pnp_card_driver ad1816a_pnpc_driver = {
static int __init alsa_card_ad1816a_init(void)
{
int cards;
int err;
cards = pnp_register_card_driver(&ad1816a_pnpc_driver);
if (cards <= 0) {
err = pnp_register_card_driver(&ad1816a_pnpc_driver);
if (err)
return err;
if (!ad1816a_devices) {
pnp_unregister_card_driver(&ad1816a_pnpc_driver);
#ifdef MODULE
printk(KERN_ERR "no AD1816A based soundcards found.\n");