ALSA: sound/atmel/ac97c.c: Fix device index for pcm

chip->pdev->id is -1 by default. This is an invalid index resulting in
device file names like /dev/snd/pcmC0D-1p.
Signed-off-by: Alexander Stein <alexanders83@web.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/atmel/ac97c.c

@@ -773,7 +773,7 @@ static int atmel_ac97c_pcm_new(struct atmel_ac97c *chip)
 			return err;
 	}
 	retval = snd_pcm_new(chip->card, chip->card->shortname,
-			chip->pdev->id, playback, capture, &pcm);
+			0, playback, capture, &pcm);
 	if (retval)
 		return retval;