ALSA: ca0106 - Add missing card->mixername field setup

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

sound/pci/ca0106/ca0106_mixer.c

@@ -856,6 +856,8 @@ int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)
 			return err;
 		add_slaves(card, vmaster, slave_sws);
 	}
+
+	strcpy(card->mixername, "CA0106");
         return 0;
 }