[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>

diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c
index a01cd11da40237c40ce5fac8aba4af26eb779d4f..4bbf9bb97bde984e23c0665fda59a72bc7dbd80a 100644 (file)
--- 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;
 }