Add a simple log_status function for raw analog video capture device nodes,
to provide insight into the state of the CX2388[578] A/V decoder core.

Signed-off-by: Andy Walls <awa...@md.metrocast.net>
---
 drivers/media/video/cx23885/cx23885-video.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/drivers/media/video/cx23885/cx23885-video.c 
b/drivers/media/video/cx23885/cx23885-video.c
index 4e44dcd..2519455 100644
--- a/drivers/media/video/cx23885/cx23885-video.c
+++ b/drivers/media/video/cx23885/cx23885-video.c
@@ -1205,6 +1205,21 @@ static int vidioc_s_input(struct file *file, void *priv, 
unsigned int i)
        return 0;
 }
 
+static int vidioc_log_status(struct file *file, void *priv)
+{
+       struct cx23885_fh  *fh  = priv;
+       struct cx23885_dev *dev = fh->dev;
+
+       printk(KERN_INFO
+               "%s/0: ============  START LOG STATUS  ============\n",
+              dev->name);
+       call_all(dev, core, log_status);
+       printk(KERN_INFO
+               "%s/0: =============  END LOG STATUS  =============\n",
+              dev->name);
+       return 0;
+}
+
 static int vidioc_queryctrl(struct file *file, void *priv,
                                struct v4l2_queryctrl *qctrl)
 {
@@ -1410,6 +1425,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
        .vidioc_enum_input    = vidioc_enum_input,
        .vidioc_g_input       = vidioc_g_input,
        .vidioc_s_input       = vidioc_s_input,
+       .vidioc_log_status    = vidioc_log_status,
        .vidioc_queryctrl     = vidioc_queryctrl,
        .vidioc_g_ctrl        = vidioc_g_ctrl,
        .vidioc_s_ctrl        = vidioc_s_ctrl,
-- 
1.7.1.1


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