diff options
Diffstat (limited to 'drivers/video/adf/adf_client.c')
| -rw-r--r-- | drivers/video/adf/adf_client.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/adf/adf_client.c b/drivers/video/adf/adf_client.c index e4a79213507..bba873d34bb 100644 --- a/drivers/video/adf/adf_client.c +++ b/drivers/video/adf/adf_client.c @@ -49,6 +49,9 @@ int adf_interface_blank(struct adf_interface *intf, u8 state) if (!intf->ops || !intf->ops->blank) return -EOPNOTSUPP; + if (state > DRM_MODE_DPMS_OFF) + return -EINVAL; + mutex_lock(&dev->client_lock); if (state != DRM_MODE_DPMS_ON) flush_kthread_worker(&dev->post_worker); |