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Diffstat (limited to 'drivers/video/omap2/dss/overlay.c')
| -rw-r--r-- | drivers/video/omap2/dss/overlay.c | 3 |
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; |