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 <awalls@xxxxxxxxxxxxxxxx>
---
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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