[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>

1 files changed, 16 insertions, 10 deletions

diff --git a/sound/drivers/mpu401/mpu401.c b/sound/drivers/mpu401/mpu401.c
index cb36ecb78697..54e2ff9b5ca1 100644
--- a/sound/drivers/mpu401/mpu401.c
+++ b/sound/drivers/mpu401/mpu401.c
@@ -77,20 +77,26 @@ static int snd_mpu401_create(int dev, snd_card_t **rcard)
                 strcat(card->longname, "polled");
         }
 
-        if (snd_mpu401_uart_new(card, 0,
-                                MPU401_HW_MPU401,
-                                port[dev], 0,
-                                irq[dev], irq[dev] >= 0 ? SA_INTERRUPT : 0, NULL) < 0) {
+        if ((err = snd_mpu401_uart_new(card, 0,
+                                       MPU401_HW_MPU401,
+                                       port[dev], 0,
+                                       irq[dev], irq[dev] >= 0 ? SA_INTERRUPT : 0, NULL)) < 0) {
                 printk(KERN_ERR "MPU401 not detected at 0x%lx\n", port[dev]);
-                snd_card_free(card);
-                return -ENODEV;
-        }
-        if ((err = snd_card_register(card)) < 0) {
-                snd_card_free(card);
-                return err;
+                goto _err;
         }
+
+        if ((err = snd_card_set_generic_dev(card)) < 0)
+                goto _err;
+
+        if ((err = snd_card_register(card)) < 0)
+                goto _err;
+
         *rcard = card;
         return 0;
+
+ _err:
+        snd_card_free(card);
+        return err;
 }
 
 static int __devinit snd_mpu401_probe(int dev)