Digigram VX Pocket driver
Added the missing event callback.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 
 /*
  */
-static dev_link_t *vxp_attach(void)
+static dev_link_t *vxpocket_attach(void)
 {
        snd_card_t *card;
        struct snd_vxpocket *vxp;
        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;
        .drv            = {
                .name   = "snd-vxpocket",
        },
-       .attach         = vxp_attach,
-       .detach         = vxp_detach,
+       .attach         = vxpocket_attach,
+       .detach         = vxpocket_detach,
+       .event          = vxpocket_event,
        .id_table       = vxp_ids,
 };