This patch fixes "Surround Speaker Playback Volume" being cut off.
(Commit 
b4dabfc452a10 was probably meant to fix this, but it fixed
only the "Switch" name, not the "Volume" name.)
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
                      int index, unsigned int pval, int dir,
                      struct snd_kcontrol **kctlp)
 {
-       char tmp[32];
+       char tmp[44];
        struct snd_kcontrol_new knew =
                HDA_CODEC_VOLUME_IDX(tmp, index, 0, 0, HDA_OUTPUT);
        knew.private_value = pval;