[PATCH] PNP: adjust pnp_register_card_driver() signature: dt019x
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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1 changed files with 9 additions and 3 deletions
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@ -272,6 +272,8 @@ static int __devinit snd_card_dt019x_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 dt019x_devices;
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static int __devinit snd_dt019x_pnp_probe(struct pnp_card_link *card,
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const struct pnp_card_device_id *pid)
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{
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@ -285,6 +287,7 @@ static int __devinit snd_dt019x_pnp_probe(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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dt019x_devices++;
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return 0;
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}
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return -ENODEV;
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@ -336,10 +339,13 @@ static struct pnp_card_driver dt019x_pnpc_driver = {
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static int __init alsa_card_dt019x_init(void)
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{
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int cards = 0;
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int err;
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cards = pnp_register_card_driver(&dt019x_pnpc_driver);
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if (cards <= 0) {
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err = pnp_register_card_driver(&dt019x_pnpc_driver);
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if (err)
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return err;
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if (!dt019x_devices) {
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pnp_unregister_card_driver(&dt019x_pnpc_driver);
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#ifdef MODULE
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snd_printk(KERN_ERR "no DT-019X / ALS-007 based soundcards found\n");
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