[media] cx25821: remove references to subdevices that aren't there

This driver does not have subdevices, so why call subdev ops? After
removing that it became apparent that only Composite is supported as
input, so remove also any reference to other inputs.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 7 insertions, 104 deletions

diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c
index d3aa166740cd..49686447cc4a 100644
--- a/drivers/media/pci/cx25821/cx25821-video.c
+++ b/drivers/media/pci/cx25821/cx25821-video.c
@@ -111,37 +111,6 @@ void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q,
 		pr_err("%s: %d buffers handled (should be 1)\n", __func__, bc);
 }
 
-static int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm)
-{
-	dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
-		__func__, (unsigned int)norm, v4l2_norm_to_name(norm));
-
-	dev->tvnorm = norm;
-
-	/* Tell the internal A/V decoder */
-	cx25821_call_all(dev, core, s_std, norm);
-
-	return 0;
-}
-
-static int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input)
-{
-	struct v4l2_routing route;
-	memset(&route, 0, sizeof(route));
-
-	dprintk(1, "%s(): video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
-		__func__, input, INPUT(input)->vmux, INPUT(input)->gpio0,
-		INPUT(input)->gpio1, INPUT(input)->gpio2, INPUT(input)->gpio3);
-	dev->input = input;
-
-	route.input = INPUT(input)->vmux;
-
-	/* Tell the internal A/V decoder */
-	cx25821_call_all(dev, video, s_routing, INPUT(input)->vmux, 0, 0);
-
-	return 0;
-}
-
 int cx25821_start_video_dma(struct cx25821_dev *dev,
 			    struct cx25821_dmaqueue *q,
 			    struct cx25821_buffer *buf,
@@ -673,9 +642,8 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 {
 	struct cx25821_channel *chan = video_drvdata(file);
 	struct cx25821_dev *dev = chan->dev;
-	struct v4l2_mbus_framefmt mbus_fmt;
-	int err;
 	int pix_format = PIXEL_FRMT_422;
+	int err;
 
 	err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
 
@@ -702,10 +670,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 
 	chan->cif_width = chan->width;
 	medusa_set_resolution(dev, chan->width, SRAM_CH00);
-
-	v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
-	cx25821_call_all(dev, video, s_mbus_fmt, &mbus_fmt);
-
 	return 0;
 }
 
@@ -727,7 +691,6 @@ static int vidioc_log_status(struct file *file, void *priv)
 	const struct sram_channel *sram_ch = chan->sram_channels;
 	u32 tmp = 0;
 
-	cx25821_call_all(dev, core, log_status);
 	tmp = cx_read(sram_ch->dma_ctl);
 	pr_info("Video input 0 is %s\n",
 		(tmp & 0x11) ? "streaming" : "stopped");
@@ -806,7 +769,7 @@ int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 	if (dev->tvnorm == tvnorms)
 		return 0;
 
-	cx25821_set_tvnorm(dev, tvnorms);
+	dev->tvnorm = tvnorms;
 	chan->width = 720;
 	chan->height = (dev->tvnorm & V4L2_STD_625_50) ? 576 : 480;
 
@@ -818,81 +781,26 @@ int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 static int cx25821_vidioc_enum_input(struct file *file, void *priv,
 			      struct v4l2_input *i)
 {
-	static const char * const iname[] = {
-		[CX25821_VMUX_COMPOSITE] = "Composite",
-		[CX25821_VMUX_SVIDEO] = "S-Video",
-		[CX25821_VMUX_DEBUG] = "for debug only",
-	};
-	struct cx25821_channel *chan = video_drvdata(file);
-	struct cx25821_dev *dev = chan->dev;
-	unsigned int n;
-
-	n = i->index;
-	if (n >= CX25821_NR_INPUT)
-		return -EINVAL;
-
-	if (0 == INPUT(n)->type)
+	if (i->index)
 		return -EINVAL;
 
 	i->type = V4L2_INPUT_TYPE_CAMERA;
-	strcpy(i->name, iname[INPUT(n)->type]);
-
 	i->std = CX25821_NORMS;
+	strcpy(i->name, "Composite");
 	return 0;
 }
 
 static int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 {
-	struct cx25821_channel *chan = video_drvdata(file);
-	struct cx25821_dev *dev = chan->dev;
-
-	*i = dev->input;
+	*i = 0;
 	return 0;
 }
 
 static int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
 {
-	struct cx25821_channel *chan = video_drvdata(file);
-	struct cx25821_dev *dev = chan->dev;
-
-	if (i >= CX25821_NR_INPUT || INPUT(i)->type == 0)
-		return -EINVAL;
-
-	cx25821_video_mux(dev, i);
-	return 0;
+	return i ? -EINVAL : 0;
 }
 
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-int cx25821_vidioc_g_register(struct file *file, void *fh,
-		      struct v4l2_dbg_register *reg)
-{
-	struct cx25821_channel *chan = video_drvdata(file);
-	struct cx25821_dev *dev = chan->dev;
-
-	if (!v4l2_chip_match_host(&reg->match))
-		return -EINVAL;
-
-	cx25821_call_all(dev, core, g_register, reg);
-
-	return 0;
-}
-
-int cx25821_vidioc_s_register(struct file *file, void *fh,
-		      const struct v4l2_dbg_register *reg)
-{
-	struct cx25821_channel *chan = video_drvdata(file);
-	struct cx25821_dev *dev = chan->dev;
-
-	if (!v4l2_chip_match_host(&reg->match))
-		return -EINVAL;
-
-	cx25821_call_all(dev, core, s_register, reg);
-
-	return 0;
-}
-
-#endif
-
 static int cx25821_s_ctrl(struct v4l2_ctrl *ctrl)
 {
 	struct cx25821_channel *chan =
@@ -1088,10 +996,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
 	.vidioc_log_status = vidioc_log_status,
 	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
 	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register = cx25821_vidioc_g_register,
-	.vidioc_s_register = cx25821_vidioc_s_register,
-#endif
 };
 
 static const struct video_device cx25821_video_device = {
@@ -1122,8 +1026,7 @@ int cx25821_video_register(struct cx25821_dev *dev)
 	int i;
 
 	/* initial device configuration */
-	dev->tvnorm = V4L2_STD_NTSC_M,
-	cx25821_set_tvnorm(dev, dev->tvnorm);
+	dev->tvnorm = V4L2_STD_NTSC_M;
 
 	spin_lock_init(&dev->slock);