From e9e5cf472751a16ebe80c9a47b512605e3511880 Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sun, 18 Jul 2010 18:18:06 -0300 Subject: [PATCH] V4L/DVB: cx23885: Add a VIDIOC_LOG_STATUS ioctl function for analog video devices 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-video.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index 4e44dcda3875..25194553c529 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, -- 2.20.1