ALSA: control: Fix missing VOLATILE flag at creating controls

The SNDRV_CTL_ELEM_ACCESS_VOLATILE bit flag wasn't properly inherited
at creating control elements via snd_ctl_new1().

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

sound/core/control.c

@@ -246,6 +246,7 @@ struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol,
 	kctl.count = ncontrol->count ? ncontrol->count : 1;
 	access = ncontrol->access == 0 ? SNDRV_CTL_ELEM_ACCESS_READWRITE :
 		 (ncontrol->access & (SNDRV_CTL_ELEM_ACCESS_READWRITE|
+				      SNDRV_CTL_ELEM_ACCESS_VOLATILE|
 				      SNDRV_CTL_ELEM_ACCESS_INACTIVE|
 				      SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE|
 				      SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND|