From: Steven Toth <stoth@kernellabs.com>
Date: Fri, 6 Jan 2012 14:55:32 +0000 (-0300)
Subject: [media] cx23885: Query the CX25840 during enum_input for status
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c147f61083e3e4a9c2aaecaaed976502defc3b7d;p=openwrt%2Fstaging%2Fblogic.git

[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 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;
 }