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[PATCH] PNP: adjust pnp_register_card_driver() signature: ad1816a
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>
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parent
982c609448
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5f53f4e210
1 changed files with 9 additions and 3 deletions
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@ -262,6 +262,8 @@ static int __devinit snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard
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return 0;
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}
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static unsigned int __devinitdata ad1816a_devices;
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static int __devinit snd_ad1816a_pnp_detect(struct pnp_card_link *card,
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const struct pnp_card_device_id *id)
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{
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@ -275,6 +277,7 @@ static int __devinit snd_ad1816a_pnp_detect(struct pnp_card_link *card,
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if (res < 0)
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return res;
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dev++;
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ad1816a_devices++;
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return 0;
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}
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return -ENODEV;
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@ -297,10 +300,13 @@ static struct pnp_card_driver ad1816a_pnpc_driver = {
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static int __init alsa_card_ad1816a_init(void)
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{
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int cards;
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int err;
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cards = pnp_register_card_driver(&ad1816a_pnpc_driver);
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if (cards <= 0) {
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err = pnp_register_card_driver(&ad1816a_pnpc_driver);
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if (err)
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return err;
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if (!ad1816a_devices) {
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pnp_unregister_card_driver(&ad1816a_pnpc_driver);
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#ifdef MODULE
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printk(KERN_ERR "no AD1816A based soundcards found.\n");
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