1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/media/radio/radio-keene.c b/drivers/media/radio/radio-keene.c
index 67ac72e66850..0c5d2db3b828 100644
--- a/drivers/media/radio/radio-keene.c
+++ b/drivers/media/radio/radio-keene.c
@@ -265,7 +265,7 @@ static int keene_s_ctrl(struct v4l2_ctrl *ctrl)
                 return keene_cmd_set(radio);
 
         case V4L2_CID_AUDIO_COMPRESSION_GAIN:
-                radio->tx = db2tx[(ctrl->val - ctrl->minimum) / ctrl->step];
+                radio->tx = db2tx[(ctrl->val - (s32)ctrl->minimum) / (s32)ctrl->step];
                 return keene_cmd_set(radio);
         }
         return -EINVAL;