[ALSA] opti9x - Fix compile without CONFIG_PNP

Modules: Opti9xx drivers

Fix compile errors without CONFIG_PNP.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/isa/opti9xx/opti92x-ad1848.c

@@ -2088,9 +2088,11 @@ static int __init alsa_card_opti9xx_init(void)
 	int error;
 	struct platform_device *device;
 
+#ifdef CONFIG_PNP
 	pnp_register_card_driver(&opti9xx_pnpc_driver);
 	if (snd_opti9xx_pnp_is_probed)
 		return 0;
+#endif
 	if (! is_isapnp_selected()) {
 		error = platform_driver_register(&snd_opti9xx_driver);
 		if (error < 0)
@@ -2102,7 +2104,9 @@ static int __init alsa_card_opti9xx_init(void)
 		}
 		platform_driver_unregister(&snd_opti9xx_driver);
 	}
+#ifdef CONFIG_PNP
 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
+#endif
 #ifdef MODULE
 	printk(KERN_ERR "no OPTi " CHIP_NAME " soundcard found\n");
 #endif
@@ -2115,7 +2119,9 @@ static void __exit alsa_card_opti9xx_exit(void)
 		platform_device_unregister(snd_opti9xx_platform_device);
 		platform_driver_unregister(&snd_opti9xx_driver);
 	}
+#ifdef CONFIG_PNP
 	pnp_unregister_card_driver(&opti9xx_pnpc_driver);
+#endif
 }
 
 module_init(alsa_card_opti9xx_init)