Change vidioc_s_input() to enable the media source
for the newly selected input. v4l2-core enables
source before calling au0828's vidioc_s_input()
handler. Hence, when input selection changes,
media source for the newly selected input needs
to be enabled.
Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
---
drivers/media/usb/au0828/au0828-video.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 20696a4..678074d 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -1381,6 +1381,7 @@ static void au0828_s_input(struct au0828_dev *dev, int index)
static int vidioc_s_input(struct file *file, void *priv, unsigned int index)
{
struct au0828_dev *dev = video_drvdata(file);
+ struct video_device *vfd = video_devdata(file);
dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__,
index);
@@ -1393,7 +1394,14 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int index)
return 0;
au0828_s_input(dev, index);
- return 0;
+
+ /*
+ * Input has been changed. Disable the media source
+ * associated with the old input and enable source
+ * for the newly set input
+ */
+ v4l_disable_media_source(vfd);
+ return v4l_enable_media_source(vfd);
}
static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a)
--
2.5.0
--
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