[06/17] cx23885: Add a VIDIOC_LOG_STATUS ioctl function for analog video devices

Commit Message

Andy Walls July 20, 2010, 1:12 a.m. UTC

None

Patch

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,