diff options
Diffstat (limited to 'drivers/video/omap2/dss/manager-sysfs.c')
| -rw-r--r-- | drivers/video/omap2/dss/manager-sysfs.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/video/omap2/dss/manager-sysfs.c b/drivers/video/omap2/dss/manager-sysfs.c index de7e7b5b1b7c..37b59fe28dc8 100644 --- a/drivers/video/omap2/dss/manager-sysfs.c +++ b/drivers/video/omap2/dss/manager-sysfs.c @@ -285,9 +285,10 @@ static ssize_t manager_alpha_blending_enabled_show( { struct omap_overlay_manager_info info; - mgr->get_manager_info(mgr, &info); + if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)) + return -ENODEV; - WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)); + mgr->get_manager_info(mgr, &info); return snprintf(buf, PAGE_SIZE, "%d\n", info.partial_alpha_enabled); @@ -301,7 +302,8 @@ static ssize_t manager_alpha_blending_enabled_store( bool enable; int r; - WARN_ON(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)); + if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)) + return -ENODEV; r = strtobool(buf, &enable); if (r) |