ALSA: pci: clean up using module_pci_driver()

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index bc030a2..0a5027b 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -6918,23 +6918,11 @@
 	pci_set_drvdata(pci, NULL);
 }
 
-static struct pci_driver driver = {
+static struct pci_driver hdspm_driver = {
 	.name = KBUILD_MODNAME,
 	.id_table = snd_hdspm_ids,
 	.probe = snd_hdspm_probe,
 	.remove = __devexit_p(snd_hdspm_remove),
 };
 
-
-static int __init alsa_card_hdspm_init(void)
-{
-	return pci_register_driver(&driver);
-}
-
-static void __exit alsa_card_hdspm_exit(void)
-{
-	pci_unregister_driver(&driver);
-}
-
-module_init(alsa_card_hdspm_init)
-module_exit(alsa_card_hdspm_exit)
+module_pci_driver(hdspm_driver);