[PATCH] PNP: adjust pnp_register_card_driver() signature: als100
Remove the assumption that pnp_register_card_driver() returns the
number of devices claimed. And fix a __init/__devinit issue.
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>
diff --git a/sound/isa/als100.c b/sound/isa/als100.c
index 9b77c17..a52bd8a 100644
--- a/sound/isa/als100.c
+++ b/sound/isa/als100.c
@@ -199,7 +199,7 @@
return 0;
}
-static int __init snd_card_als100_probe(int dev,
+static int __devinit snd_card_als100_probe(int dev,
struct pnp_card_link *pcard,
const struct pnp_card_device_id *pid)
{
@@ -281,6 +281,8 @@
return 0;
}
+static unsigned int __devinitdata als100_devices;
+
static int __devinit snd_als100_pnp_detect(struct pnp_card_link *card,
const struct pnp_card_device_id *id)
{
@@ -294,6 +296,7 @@
if (res < 0)
return res;
dev++;
+ als100_devices++;
return 0;
}
return -ENODEV;
@@ -345,10 +348,13 @@
static int __init alsa_card_als100_init(void)
{
- int cards;
+ int err;
- cards = pnp_register_card_driver(&als100_pnpc_driver);
- if (cards <= 0) {
+ err = pnp_register_card_driver(&als100_pnpc_driver);
+ if (err)
+ return err;
+
+ if (!als100_devices) {
pnp_unregister_card_driver(&als100_pnpc_driver);
#ifdef MODULE
snd_printk(KERN_ERR "no ALS100 based soundcards found\n");