[ALSA] Add snd_card_set_generic_dev() call

ARM,SA11xx UDA1341 driver,Generic drivers,MPU401 UART,MIPS
MIPS AU1x00 driver,PPC,PPC PowerMac driver,SPARC,SPARC AMD7930 driver
SPARC cs4231 driver,SPARC DBRI driver
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/drivers/mtpav.c

@@ -757,6 +757,9 @@ static int __init alsa_card_mtpav_init(void)
 	if (err < 0)
 		goto __error;
 
+	if ((err = snd_card_set_generic_dev(mtp_card->card)) < 0)
+		goto __error;
+
 	err = snd_card_register(mtp_card->card);	// don't snd_card_register until AFTER all cards reources done!
 
 	//printk("snd_card_register returned %d\n", err);