V4L/DVB (8104): cx18/ivtv: ioctl debugging improvements

Completely rely on the video_ioctl2 debugging facilities rather than
doing it ourselves.

Fill in some missing fields in ivtv with VIDIOC_G_FBUF.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

3 files changed, 12 insertions, 95 deletions

diff --git a/drivers/media/video/cx18/cx18-controls.c b/drivers/media/video/cx18/cx18-controls.c
index 6eae75f4ee7..01ba9ca37d0 100644
--- a/drivers/media/video/cx18/cx18-controls.c
+++ b/drivers/media/video/cx18/cx18-controls.c
@@ -56,8 +56,6 @@ int cx18_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl)
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 	const char *name;
 
-	CX18_DEBUG_IOCTL("VIDIOC_QUERYCTRL(%08x)\n", qctrl->id);
-
 	qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
 	if (qctrl->id == 0)
 		return -EINVAL;
@@ -94,10 +92,8 @@ int cx18_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl)
 
 int cx18_querymenu(struct file *file, void *fh, struct v4l2_querymenu *qmenu)
 {
-	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 	struct v4l2_queryctrl qctrl;
 
-	CX18_DEBUG_IOCTL("VIDIOC_QUERYMENU\n");
 	qctrl.id = qmenu->id;
 	cx18_queryctrl(file, fh, &qctrl);
 	return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
@@ -108,14 +104,11 @@ int cx18_s_ctrl(struct file *file, void *fh, struct v4l2_control *vctrl)
 	struct cx18_open_id *id = fh;
 	struct cx18 *cx = id->cx;
 	int ret;
-	s32 v = vctrl->value;
 
 	ret = v4l2_prio_check(&cx->prio, &id->prio);
 	if (ret)
 		return ret;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_CTRL(%08x, %x)\n", vctrl->id, v);
-
 	switch (vctrl->id) {
 		/* Standard V4L2 controls */
 	case V4L2_CID_BRIGHTNESS:
@@ -133,7 +126,7 @@ int cx18_s_ctrl(struct file *file, void *fh, struct v4l2_control *vctrl)
 		return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_S_CTRL, vctrl);
 
 	default:
-		CX18_DEBUG_IOCTL("invalid control %x\n", vctrl->id);
+		CX18_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id);
 		return -EINVAL;
 	}
 	return 0;
@@ -143,8 +136,6 @@ int cx18_g_ctrl(struct file *file, void *fh, struct v4l2_control *vctrl)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_CTRL(%08x)\n", vctrl->id);
-
 	switch (vctrl->id) {
 		/* Standard V4L2 controls */
 	case V4L2_CID_BRIGHTNESS:
@@ -161,7 +152,7 @@ int cx18_g_ctrl(struct file *file, void *fh, struct v4l2_control *vctrl)
 	case V4L2_CID_AUDIO_LOUDNESS:
 		return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_G_CTRL, vctrl);
 	default:
-		CX18_DEBUG_IOCTL("invalid control %x\n", vctrl->id);
+		CX18_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id);
 		return -EINVAL;
 	}
 	return 0;
@@ -227,7 +218,6 @@ int cx18_g_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
 		}
 		return err;
 	}
-	CX18_DEBUG_IOCTL("VIDIOC_G_EXT_CTRLS\n");
 	if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG)
 		return cx2341x_ext_ctrls(&cx->params, 0, c, VIDIOC_G_EXT_CTRLS);
 	return -EINVAL;
@@ -260,7 +250,6 @@ int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
 		}
 		return err;
 	}
-	CX18_DEBUG_IOCTL("VIDIOC_S_EXT_CTRLS\n");
 	if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
 		struct cx2341x_mpeg_params p = cx->params;
 		int err = cx2341x_ext_ctrls(&p, atomic_read(&cx->ana_capturing),
@@ -296,7 +285,6 @@ int cx18_try_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_TRY_EXT_CTRLS\n");
 	if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG)
 		return cx2341x_ext_ctrls(&cx->params,
 						atomic_read(&cx->ana_capturing),
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c
index cfda54d022e..7231f60a180 100644
--- a/drivers/media/video/cx18/cx18-ioctl.c
+++ b/drivers/media/video/cx18/cx18-ioctl.c
@@ -165,8 +165,6 @@ static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 	struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_FMT: V4L2_BUF_TYPE_VBI_CAPTURE\n");
-
 	vbifmt->sampling_rate = 27000000;
 	vbifmt->offset = 248;
 	vbifmt->samples_per_line = cx->vbi.raw_decoder_line_size - 4;
@@ -195,8 +193,6 @@ static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
 	int w = fmt->fmt.pix.width;
 	int h = fmt->fmt.pix.height;
 
-	CX18_DEBUG_IOCTL("VIDIOC_TRY_FMT: V4L2_BUF_TYPE_VIDEO_CAPTURE\n");
-
 	w = min(w, 720);
 	w = max(w, 1);
 	h = min(h, cx->is_50hz ? 576 : 480);
@@ -210,10 +206,6 @@ static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
 static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
 				struct v4l2_format *fmt)
 {
-	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
-
-	CX18_DEBUG_IOCTL("VIDIOC_TRY_FMT: V4L2_BUF_TYPE_VBI_CAPTURE\n");
-
 	return cx18_g_fmt_vbi_cap(file, fh, fmt);
 }
 
@@ -236,8 +228,6 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
 	if (ret)
 		return ret;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_FMT: V4L2_BUF_TYPE_VIDEO_CAPTURE\n");
-
 	ret = cx18_try_fmt_vid_cap(file, fh, fmt);
 	if (ret)
 		return ret;
@@ -265,8 +255,6 @@ static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
 	if (ret)
 		return ret;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_FMT: V4L2_BUF_TYPE_VBI_CAPTURE\n");
-
 	if (id->type == CX18_ENC_STREAM_TYPE_VBI &&
 			cx->vbi.sliced_in->service_set &&
 			atomic_read(&cx->ana_capturing) > 0)
@@ -288,8 +276,6 @@ static int cx18_g_chip_ident(struct file *file, void *fh,
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_CHIP_IDENT\n");
-
 	chip->ident = V4L2_IDENT_NONE;
 	chip->revision = 0;
 	if (chip->match_type == V4L2_CHIP_MATCH_HOST) {
@@ -311,8 +297,6 @@ static int cx18_g_register(struct file *file, void *fh,
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_DBG_G_REGISTER\n");
-
 	if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 		return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
 	if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
@@ -327,8 +311,6 @@ static int cx18_s_register(struct file *file, void *fh,
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_DBG_S_REGISTER\n");
-
 	if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
 		return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
 	if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
@@ -342,8 +324,6 @@ static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_PRIORITY\n");
-
 	*p = v4l2_prio_max(&cx->prio);
 	return 0;
 }
@@ -353,8 +333,6 @@ static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
 	struct cx18_open_id *id = fh;
 	struct cx18 *cx = id->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_PRIORITY\n");
-
 	return v4l2_prio_change(&cx->prio, &id->prio, prio);
 }
 
@@ -363,8 +341,6 @@ static int cx18_querycap(struct file *file, void *fh,
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_QUERYCAP\n");
-
 	strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
 	strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
 	strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info));
@@ -377,8 +353,6 @@ static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_ENUMAUDIO\n");
-
 	return cx18_get_audio_input(cx, vin->index, vin);
 }
 
@@ -386,8 +360,6 @@ static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_AUDIO\n");
-
 	vin->index = cx->audio_input;
 	return cx18_get_audio_input(cx, vin->index, vin);
 }
@@ -396,8 +368,6 @@ static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_AUDIO\n");
-
 	if (vout->index >= cx->nof_audio_inputs)
 		return -EINVAL;
 	cx->audio_input = vout->index;
@@ -409,8 +379,6 @@ static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_ENUMINPUT\n");
-
 	/* set it to defaults from our table */
 	return cx18_get_input(cx, vin->index, vin);
 }
@@ -420,8 +388,6 @@ static int cx18_cropcap(struct file *file, void *fh,
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_CROPCAP\n");
-
 	if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 		return -EINVAL;
 	cropcap->bounds.top = cropcap->bounds.left = 0;
@@ -443,8 +409,6 @@ static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 	if (ret)
 		return ret;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_CROP\n");
-
 	if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 		return -EINVAL;
 	return cx18_av_cmd(cx, VIDIOC_S_CROP, crop);
@@ -454,8 +418,6 @@ static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_CROP\n");
-
 	if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 		return -EINVAL;
 	return cx18_av_cmd(cx, VIDIOC_G_CROP, crop);
@@ -473,10 +435,6 @@ static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
 		}
 	};
 
-	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
-
-	CX18_DEBUG_IOCTL("VIDIOC_ENUM_FMT: V4L2_BUF_TYPE_VIDEO_CAPTURE\n");
-
 	if (fmt->index > 1)
 		return -EINVAL;
 	*fmt = formats[fmt->index];
@@ -487,8 +445,6 @@ static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_INPUT\n");
-
 	*i = cx->active_input;
 	return 0;
 }
@@ -503,8 +459,6 @@ int cx18_s_input(struct file *file, void *fh, unsigned int inp)
 	if (ret)
 		return ret;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_INPUT\n");
-
 	if (inp < 0 || inp >= cx->nof_inputs)
 		return -EINVAL;
 
@@ -534,8 +488,6 @@ static int cx18_g_frequency(struct file *file, void *fh,
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_FREQUENCY\n");
-
 	if (vf->tuner != 0)
 		return -EINVAL;
 
@@ -553,8 +505,6 @@ int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
 	if (ret)
 		return ret;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_FREQUENCY\n");
-
 	if (vf->tuner != 0)
 		return -EINVAL;
 
@@ -569,8 +519,6 @@ static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_STD\n");
-
 	*std = cx->std;
 	return 0;
 }
@@ -585,8 +533,6 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
 	if (ret)
 		return ret;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_STD\n");
-
 	if ((*std & V4L2_STD_ALL) == 0)
 		return -EINVAL;
 
@@ -628,8 +574,6 @@ static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 	if (ret)
 		return ret;
 
-	CX18_DEBUG_IOCTL("VIDIOC_S_TUNER\n");
-
 	if (vt->index != 0)
 		return -EINVAL;
 
@@ -643,8 +587,6 @@ static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_G_TUNER\n");
-
 	if (vt->index != 0)
 		return -EINVAL;
 
@@ -679,8 +621,6 @@ static int cx18_encoder_cmd(struct file *file, void *fh,
 	struct cx18_open_id *id = fh;
 	struct cx18 *cx = id->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_ENCODER_CMD:\n");
-
 	switch (enc->cmd) {
 	case V4L2_ENC_CMD_START:
 		CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
@@ -728,8 +668,6 @@ static int cx18_try_encoder_cmd(struct file *file, void *fh,
 {
 	struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
 
-	CX18_DEBUG_IOCTL("VIDIOC_TRY_ENCDOER_CMD:\n");
-
 	switch (enc->cmd) {
 	case V4L2_ENC_CMD_START:
 		CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
@@ -765,7 +703,6 @@ static int cx18_log_status(struct file *file, void *fh)
 	struct v4l2_audio audin;
 	int i;
 
-	CX18_DEBUG_IOCTL("VIDIOC_LOG_STATUS\n");
 	CX18_INFO("=================  START STATUS CARD #%d  =================\n", cx->num);
 	if (cx->hw_flags & CX18_HW_TVEEPROM) {
 		struct tveeprom tv;
@@ -807,26 +744,13 @@ static int cx18_default(struct file *file, void *fh, int cmd, void *arg)
 	switch (cmd) {
 	case VIDIOC_INT_S_AUDIO_ROUTING: {
 		struct v4l2_routing *route = arg;
-		CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING (%d, %d)\n",
-					route->input, route->output);
+
+		CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING(%d, %d)\n",
+			route->input, route->output);
 		cx18_audio_set_route(cx, route);
 		break;
 	}
-	case VIDIOC_INT_RESET: {
-		u32 val = *(u32 *)arg;
-		CX18_DEBUG_IOCTL("VIDIOC_INT_RESET (%#10x)\n", val);
-		/* No op right now */
-		/* cx18_av_cmd(cx, cmd, arg) */
-		/* cx18_call_i2c_clients(cx, cmd, arg) */
-		break;
-	}
 	default:
-		if (cx18_debug & CX18_DBGFLG_IOCTL) {
-			printk(KERN_INFO "cx18%d ioctl: unsupported cmd: ",
-				 cx->num);
-			v4l_printk_ioctl(cmd);
-			printk("\n");
-		}
 		return -EINVAL;
 	}
 	return 0;
@@ -835,12 +759,17 @@ static int cx18_default(struct file *file, void *fh, int cmd, void *arg)
 int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		    unsigned long arg)
 {
+	struct video_device *vfd = video_devdata(filp);
 	struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
 	struct cx18 *cx = id->cx;
 	int res;
 
 	mutex_lock(&cx->serialize_lock);
+
+	if (cx18_debug & CX18_DBGFLG_IOCTL)
+		vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
 	res = video_ioctl2(inode, filp, cmd, arg);
+	vfd->debug = 0;
 	mutex_unlock(&cx->serialize_lock);
 	return res;
 }
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c
index 805847370cb..f3d20509a8b 100644
--- a/drivers/media/video/cx18/cx18-streams.c
+++ b/drivers/media/video/cx18/cx18-streams.c
@@ -190,8 +190,8 @@ static int cx18_prep_dev(struct cx18 *cx, int type)
 	s->v4l2dev->type =
 		VID_TYPE_CAPTURE | VID_TYPE_TUNER | VID_TYPE_TELETEXT |
 		VID_TYPE_CLIPPING | VID_TYPE_SCALES | VID_TYPE_MPEG_ENCODER;
-	snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "cx18%d %s",
-			cx->num, s->name);
+	snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "cx18-%d",
+			cx->num);
 
 	s->v4l2dev->minor = minor;
 	s->v4l2dev->dev = &cx->dev->dev;