[ALSA] vxpocket - Add missing event callback

Digigram VX Pocket driver
Added the missing event callback.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/pcmcia/vx/vxpocket.c

@@ -376,7 +376,7 @@ static int vxpocket_event(event_t event, int priority, event_callback_args_t *ar
 
 /*
  */
-static dev_link_t *vxp_attach(void)
+static dev_link_t *vxpocket_attach(void)
 {
 	snd_card_t *card;
 	struct snd_vxpocket *vxp;
@@ -417,7 +417,7 @@ static dev_link_t *vxp_attach(void)
 	return &vxp->link;
 }
 
-static void vxp_detach(dev_link_t *link)
+static void vxpocket_detach(dev_link_t *link)
 {
 	struct snd_vxpocket *vxp;
 	vx_core_t *chip;
@@ -458,8 +458,9 @@ static struct pcmcia_driver vxp_cs_driver = {
 	.drv		= {
 		.name	= "snd-vxpocket",
 	},
-	.attach		= vxp_attach,
-	.detach		= vxp_detach,
+	.attach		= vxpocket_attach,
+	.detach		= vxpocket_detach,
+	.event		= vxpocket_event,
 	.id_table	= vxp_ids,
 };