ALSA - au88x0 - add Playback Volume to 10 bands Equalizer Controls

Add " Playback Volume" to 10 bands Equalizer Controls of au88x0 so that
alsa-lib won't regard them as "Capture Volume".

Signed-off-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/au88x0/au88x0_eq.c b/sound/pci/au88x0/au88x0_eq.c
index 38602b8..278ed81 100644
--- a/sound/pci/au88x0/au88x0_eq.c
+++ b/sound/pci/au88x0/au88x0_eq.c
@@ -896,7 +896,8 @@
 		if ((kcontrol =
 		     snd_ctl_new1(&vortex_eq_kcontrol, vortex)) == NULL)
 			return -ENOMEM;
-		strcpy(kcontrol->id.name, EqBandLabels[i]);
+		snprintf(kcontrol->id.name, sizeof(kcontrol->id.name),
+			"%s Playback Volume", EqBandLabels[i]);
 		kcontrol->private_value = i;
 		if ((err = snd_ctl_add(vortex->card, kcontrol)) < 0)
 			return err;