1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 0f08025b1f0..cfbfc57e958 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -238,6 +238,9 @@ static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl,
         u8 alpha;
         struct omap_overlay_info info;
 
+        if (!dss_has_feature(FEAT_GLOBAL_ALPHA))
+                return -ENODEV;
+
         r = kstrtou8(buf, 0, &alpha);
         if (r)
                 return r;