1 files changed, 1 insertions, 1 deletions

diff --git a/sound/core/ctljack.c b/sound/core/ctljack.c
index 84a3cd683068..0249d5e6ac23 100644
--- a/sound/core/ctljack.c
+++ b/sound/core/ctljack.c
@@ -23,7 +23,7 @@ static int jack_detect_kctl_get(struct snd_kcontrol *kcontrol,
         return 0;
 }
 
-static struct snd_kcontrol_new jack_detect_kctl = {
+static const struct snd_kcontrol_new jack_detect_kctl = {
         /* name is filled later */
         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
         .access = SNDRV_CTL_ELEM_ACCESS_READ,