[media] cx23885: Query the CX25840 during enum_input for status

We can pass a NO_SIGNAL video decoder state back to applications
if it's available.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c
index a01cd11da402..4bbf9bb97bde 100644
--- a/drivers/media/video/cx23885/cx23885-video.c
+++ b/drivers/media/video/cx23885/cx23885-video.c
@@ -1303,6 +1303,15 @@ int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
         if (INPUT(n)->type != CX23885_VMUX_TELEVISION)
                 i->audioset = 0x3;
 
+        if (dev->input == n) {
+                /* enum'd input matches our configured input.
+                 * Ask the video decoder to process the call
+                 * and give it an oppertunity to update the
+                 * status field.
+                 */
+                call_all(dev, video, g_input_status, &i->status);
+        }
+
         return 0;
 }