Re: [PATCH v10 05/14] media: tvp5150: add input source selection of_graph support

[Marco Felsch <m.felsch@pengutronix.de>]

Hi Hans,

On 19-09-27 10:54, Hans Verkuil wrote:
> On 8/30/19 12:16 PM, Marco Felsch wrote:
> > This patch adds the of_graph support to describe the tvp input connections.
> > Physical the TVP5150 has three ports: AIP1A, AIP1B and YOUT. As result
> > of discussion [1],[2] the device-tree maps these ports 1:1. Look at the
> > Documentation for more information. Since the TVP5150 is a converter/bridge
> > the device-tree must contain at least 1-input and 1-output port. The
> > mc-connectors and mc-links are only created if the device-tree contains the
> > corresponding connector nodes. If more than one connector is available the
> > media_entity_operations.link_setup() callback ensures that only one
> > connector is active.
> > 
> > [1] https://www.spinics.net/lists/linux-media/msg138545.html
> > [2] https://www.spinics.net/lists/linux-media/msg138546.html
> > 
> > Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> 
> More checkpatch warnings:
> 
> WARNING: line over 80 characters
> #110: FILE: drivers/media/i2c/tvp5150.c:1244:
> +                       is_svideo = decoder->connectors[i].base.type == V4L2_CONN_SVIDEO;
> 
> CHECK: No space is necessary after a cast
> #157: FILE: drivers/media/i2c/tvp5150.c:1291:
> +                       err = tvp5150_set_link((struct media_pad *) remote,
> 
> WARNING: line over 80 characters
> #192: FILE: drivers/media/i2c/tvp5150.c:1466:
> +               unsigned int port = decoder->connectors[i].base.links[0].remote_port;
> 
> WARNING: line over 80 characters
> #194: FILE: drivers/media/i2c/tvp5150.c:1468:
> +               bool is_svideo = decoder->connectors[i].base.type == V4L2_CONN_SVIDEO;
> 
> Here too adding a local pointer to decoder->connectors[i].base would
> prevent these warnings, and make it more readable.

I fixed it, thanks.

Regards,
  Marco

> 
> Regards,
> 
> 	Hans
> 
> > ---
> > Changelog:
> > 
> > [1] https://patchwork.kernel.org/cover/10794703/
> > [2] https://patchwork.kernel.org/cover/10786553/
> > 
> > v8:
> > - fix rebasing issue
> > - fix error handling during tvp5150_registered()
> > - adapt to new v4l2_connector_type enum
> > 
> > v7:
> > - don't init enum tvp5150_pads with TVP5150_COMPOSITE0 functionality
> > - break some 80 character limitation to improve readability
> > - fix comment style -> always start with capital letters and end with dot
> > - fix some minor style issues
> > - fix tvp5150_registered error handling
> > - simplify tvp5150_mc_init
> > - make connectors static
> >   -> since now only three connectors are possible (as described in DT)
> >   -> drop tvp5150.endpoints storage
> >   -> squash tvp5150_parse_dt and tvp5150_add_of_connectors
> > - improve tvp5150_parse_dt:
> >   -> make parsing stricter and fix not detected missconfigured dt-data
> >   -> svideo must be connected now to port@[0,1]/endpoint@1
> > 
> > v6:
> > - fix misspelled comments
> > - use 'unsigned int' where it's possible
> > - cleanup ifdef part-2:
> >   * tvp5150_mc_init, tvp5150_add_of_connectors: add surrounding
> >     CONFIG_MEDIA_CONTROLLER if def and stubs to improve quality
> > - tvp5150_mc_init: uniform interface, use 'struct tvp5150' since all
> >   internal function do this.
> > - tvp5150_add_of_connectors: call within probe() to make it cleaner
> > - tvp5150_parse_dt: move local loop vars within the loop.
> > 
> > v5:
> > - Fixing build deps:
> >   - tvp5150_mc_init: fix CONFIG_MEDIA_CONTROLLER deps
> >   - struct tvp5150: drop CONFIG_MEDIA_CONTROLLER conditional property
> >     includes. This leads into to complex deps for futher development.
> >   - tvp5150_dt_cleanup: enable function only if CONFIG_OF is enabled
> >   - tvp5150_parse_dt: enable function only if CONFIG_OF is enabled
> >   - tvp5150_probe: call tvp5150_dt_cleanup only if CONFIG_OF is enabled
> > 
> > - Simplify link_setup routine:
> >   - use generic connector parsing since both series [1,2] are squashed into
> >     one
> >   - struct tvp5150: drop pads_state and modify_second_link property
> >     due to link_setup() rework.
> >   - tvp5150_link_setup: add more comments
> >   - tvp5150_link_setup: simply the link setup routine a lot. Edit the 2nd
> >     link directly within the driver instead of a recursive media-framework
> >     call (__media_entity_setup_link). This improves the readability and
> >     shrinks the driver code.
> >   - tvp5150_link_setup: disable all active links in case user switches
> >     connectors without disable it first.
> >   - tvp5150_registered: simplify default link enable path due to link_setup()
> >     rework.
> > 
> > - General cleanups
> >   - tvp5150_parse_dt: drop unecessary test
> >   - tvp5150_parse_dt: add err message due to misconfiguration
> >   - tvp5150_parse_dt: make use of V4L2_MBUS_UNKNOWN definition
> >   - s/dev_dbg/dev_dbg_lvl
> > 
> > v4:
> >  - rebase on top of media_tree/master, fix merge conflict due to commit
> >    60359a28d592 ("media: v4l: fwnode: Initialise the V4L2 fwnode endpoints
> >    to zero")
> > 
> > v3:
> > - probe(): s/err/err_free_v4l2_ctrls
> > - drop MC dependency for tvp5150_pads
> > 
> > v2:
> > - adapt commit message
> > - unify ifdef switches
> > - rename tvp5150_valid_input -> tvp5150_of_valid_input, to be more precise
> > - mc: use 2-input and 1-output pad
> > - mc: link svideo connector to both input pads
> > - mc: enable/disable svideo links in one go
> > - mc: change link_setup() behaviour, switch the input src don't require a
> >       explicite disable before.
> > - mc: rename 'local' media_pad param to tvp5150_pad to avoid confusion
> > - mc: enable link to the first available connector and set the
> >       corresponding tvp5150 input src per default during registered()
> > - mc/of: factor out oftree connector allocation
> > - of: drop svideo dt port
> > - of: move svideo connector to port@0/endpoint@1
> > - of: require at least 1-in and 1-out endpoint
> > 
> >  drivers/media/i2c/tvp5150.c | 378 +++++++++++++++++++++++++++++++++---
> >  1 file changed, 348 insertions(+), 30 deletions(-)
> > 
> > diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
> > index 11a5fd7e2f58..477a929d4f89 100644
> > --- a/drivers/media/i2c/tvp5150.c
> > +++ b/drivers/media/i2c/tvp5150.c
> > @@ -32,6 +32,8 @@
> >  #define TVP5150_FIELD		V4L2_FIELD_ALTERNATE
> >  #define TVP5150_COLORSPACE	V4L2_COLORSPACE_SMPTE170M
> >  
> > +#define TVP5150_MAX_CONNECTORS	3 /* Check dt-bindings for more information */
> > +
> >  MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
> >  MODULE_AUTHOR("Mauro Carvalho Chehab");
> >  MODULE_LICENSE("GPL v2");
> > @@ -44,16 +46,25 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
> >  #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
> >  
> >  enum tvp5150_pads {
> > -	TVP5150_PAD_IF_INPUT,
> > +	TVP5150_PAD_AIP1A,
> > +	TVP5150_PAD_AIP1B,
> >  	TVP5150_PAD_VID_OUT,
> >  	TVP5150_NUM_PADS
> >  };
> >  
> > +struct tvp5150_connector {
> > +	struct v4l2_fwnode_connector base;
> > +	struct media_entity ent;
> > +	struct media_pad pad;
> > +};
> > +
> >  struct tvp5150 {
> >  	struct v4l2_subdev sd;
> > -#ifdef CONFIG_MEDIA_CONTROLLER
> > +
> >  	struct media_pad pads[TVP5150_NUM_PADS];
> > -#endif
> > +	struct tvp5150_connector connectors[TVP5150_MAX_CONNECTORS];
> > +	unsigned int connectors_num;
> > +
> >  	struct v4l2_ctrl_handler hdl;
> >  	struct v4l2_rect rect;
> >  	struct regmap *regmap;
> > @@ -1167,6 +1178,130 @@ static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
> >  	return 0;
> >  }
> >  
> > +/****************************************************************************
> > + *			Media entity ops
> > + ****************************************************************************/
> > +#if defined(CONFIG_MEDIA_CONTROLLER)
> > +static int tvp5150_set_link(struct media_pad *connector_pad,
> > +			    struct media_pad *tvp5150_pad, u32 flags)
> > +{
> > +	struct media_link *link;
> > +
> > +	link = media_entity_find_link(connector_pad, tvp5150_pad);
> > +	if (!link)
> > +		return -EINVAL;
> > +
> > +	link->flags = flags;
> > +	link->reverse->flags = link->flags;
> > +
> > +	return 0;
> > +}
> > +
> > +static int tvp5150_disable_all_input_links(struct tvp5150 *decoder)
> > +{
> > +	struct media_pad *connector_pad;
> > +	unsigned int i;
> > +	int err;
> > +
> > +	for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
> > +		connector_pad = media_entity_remote_pad(&decoder->pads[i]);
> > +		if (!connector_pad)
> > +			continue;
> > +
> > +		err = tvp5150_set_link(connector_pad, &decoder->pads[i], 0);
> > +		if (err)
> > +			return err;
> > +	}
> > +
> > +	return 0;
> > +}
> > +
> > +static int tvp5150_s_routing(struct v4l2_subdev *sd, u32 input, u32 output,
> > +			     u32 config);
> > +
> > +static int tvp5150_link_setup(struct media_entity *entity,
> > +			      const struct media_pad *tvp5150_pad,
> > +			      const struct media_pad *remote, u32 flags)
> > +{
> > +	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
> > +	struct tvp5150 *decoder = to_tvp5150(sd);
> > +	struct media_pad *other_tvp5150_pad =
> > +		&decoder->pads[tvp5150_pad->index ^ 1];
> > +	bool is_svideo = false;
> > +	unsigned int i;
> > +	int err;
> > +
> > +	/*
> > +	 * The TVP5150 state is determined by the enabled sink pad link(s).
> > +	 * Enabling or disabling the source pad link has no effect.
> > +	 */
> > +	if (tvp5150_pad->flags & MEDIA_PAD_FL_SOURCE)
> > +		return 0;
> > +
> > +	/* Check if the svideo connector should be enabled */
> > +	for (i = 0; i < decoder->connectors_num; i++) {
> > +		if (remote->entity == &decoder->connectors[i].ent) {
> > +			is_svideo = decoder->connectors[i].base.type == V4L2_CONN_SVIDEO;
> > +			break;
> > +		}
> > +	}
> > +
> > +	dev_dbg_lvl(sd->dev, 1, debug, "link setup '%s':%d->'%s':%d[%d]",
> > +		    remote->entity->name, remote->index,
> > +		    tvp5150_pad->entity->name, tvp5150_pad->index,
> > +		    flags & MEDIA_LNK_FL_ENABLED);
> > +	if (is_svideo)
> > +		dev_dbg_lvl(sd->dev, 1, debug,
> > +			    "link setup '%s':%d->'%s':%d[%d]",
> > +			    remote->entity->name, remote->index,
> > +			    other_tvp5150_pad->entity->name,
> > +			    other_tvp5150_pad->index,
> > +			    flags & MEDIA_LNK_FL_ENABLED);
> > +
> > +	/*
> > +	 * The TVP5150 has an internal mux which allows the following setup:
> > +	 *
> > +	 * comp-connector1  --\
> > +	 *		       |---> AIP1A
> > +	 *		      /
> > +	 * svideo-connector -|
> > +	 *		      \
> > +	 *		       |---> AIP1B
> > +	 * comp-connector2  --/
> > +	 *
> > +	 * We can't rely on user space that the current connector gets disabled
> > +	 * first before enabling the new connector. Disable all active
> > +	 * connector links to be on the safe side.
> > +	 */
> > +	err = tvp5150_disable_all_input_links(decoder);
> > +	if (err)
> > +		return err;
> > +
> > +	tvp5150_s_routing(sd, is_svideo ? TVP5150_SVIDEO : tvp5150_pad->index,
> > +			  flags & MEDIA_LNK_FL_ENABLED ? TVP5150_NORMAL :
> > +			  TVP5150_BLACK_SCREEN, 0);
> > +
> > +	if (flags & MEDIA_LNK_FL_ENABLED) {
> > +		/*
> > +		 * S-Video connector is conneted to both ports AIP1A and AIP1B.
> > +		 * Both links must be enabled in one-shot regardless which link
> > +		 * the user requests.
> > +		 */
> > +		if (is_svideo) {
> > +			err = tvp5150_set_link((struct media_pad *) remote,
> > +					       other_tvp5150_pad, flags);
> > +			if (err)
> > +				return err;
> > +		}
> > +	}
> > +
> > +	return 0;
> > +}
> > +
> > +static const struct media_entity_operations tvp5150_sd_media_ops = {
> > +	.link_setup = tvp5150_link_setup,
> > +};
> > +#endif
> >  /****************************************************************************
> >  			I2C Command
> >   ****************************************************************************/
> > @@ -1314,6 +1449,71 @@ static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
> >  	return 0;
> >  }
> >  
> > +static int tvp5150_registered(struct v4l2_subdev *sd)
> > +{
> > +#if defined(CONFIG_MEDIA_CONTROLLER)
> > +	struct tvp5150 *decoder = to_tvp5150(sd);
> > +	unsigned int i;
> > +	int ret;
> > +
> > +	/*
> > +	 * Setup connector pads and links. Enable the link to the first
> > +	 * available connector per default.
> > +	 */
> > +	for (i = 0; i < decoder->connectors_num; i++) {
> > +		struct media_entity *con = &decoder->connectors[i].ent;
> > +		struct media_pad *pad = &decoder->connectors[i].pad;
> > +		unsigned int port = decoder->connectors[i].base.links[0].remote_port;
> > +		unsigned int flags = i ? 0 : MEDIA_LNK_FL_ENABLED;
> > +		bool is_svideo = decoder->connectors[i].base.type == V4L2_CONN_SVIDEO;
> > +
> > +		pad->flags = MEDIA_PAD_FL_SOURCE;
> > +		ret = media_entity_pads_init(con, 1, pad);
> > +		if (ret < 0)
> > +			goto err;
> > +
> > +		ret = media_device_register_entity(sd->v4l2_dev->mdev, con);
> > +		if (ret < 0)
> > +			goto err;
> > +
> > +		ret = media_create_pad_link(con, 0, &sd->entity, port, flags);
> > +		if (ret < 0)
> > +			goto err;
> > +
> > +		if (is_svideo) {
> > +			/*
> > +			 * Check tvp5150_link_setup() comments for more
> > +			 * information.
> > +			 */
> > +			port = decoder->connectors[i].base.links[1].remote_port;
> > +			ret = media_create_pad_link(con, 0, &sd->entity, port,
> > +						    flags);
> > +			if (ret < 0)
> > +				goto err;
> > +		}
> > +
> > +		/* Enable default input. */
> > +		if (flags == MEDIA_LNK_FL_ENABLED) {
> > +			decoder->input =
> > +				is_svideo ? TVP5150_SVIDEO :
> > +				port == 0 ? TVP5150_COMPOSITE0 :
> > +				TVP5150_COMPOSITE1;
> > +
> > +			tvp5150_selmux(sd);
> > +		}
> > +	}
> > +
> > +	return 0;
> > +
> > +err:
> > +	for (i = 0; i < decoder->connectors_num; i++)
> > +		media_device_unregister_entity(&decoder->connectors[i].ent);
> > +	return ret;
> > +#endif
> > +
> > +	return 0;
> > +}
> > +
> >  /* ----------------------------------------------------------------------- */
> >  
> >  static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
> > @@ -1367,6 +1567,10 @@ static const struct v4l2_subdev_ops tvp5150_ops = {
> >  	.pad = &tvp5150_pad_ops,
> >  };
> >  
> > +static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
> > +	.registered = tvp5150_registered,
> > +};
> > +
> >  /****************************************************************************
> >  			I2C Client & Driver
> >   ****************************************************************************/
> > @@ -1515,36 +1719,159 @@ static int tvp5150_init(struct i2c_client *c)
> >  	return 0;
> >  }
> >  
> > -static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
> > +#if defined(CONFIG_MEDIA_CONTROLLER)
> > +static int tvp5150_mc_init(struct tvp5150 *decoder)
> >  {
> > -	struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
> > -	struct device_node *ep;
> > -	unsigned int flags;
> > -	int ret = 0;
> > +	struct v4l2_subdev *sd = &decoder->sd;
> > +	unsigned int i;
> >  
> > -	ep = of_graph_get_next_endpoint(np, NULL);
> > -	if (!ep)
> > -		return -EINVAL;
> > +	sd->entity.ops = &tvp5150_sd_media_ops;
> > +	sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
> > +
> > +	for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
> > +		decoder->pads[i].flags = MEDIA_PAD_FL_SINK;
> > +		decoder->pads[i].sig_type = PAD_SIGNAL_ANALOG;
> > +	}
> > +
> > +	decoder->pads[i].flags = MEDIA_PAD_FL_SOURCE;
> > +	decoder->pads[i].sig_type = PAD_SIGNAL_DV;
> >  
> > -	ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
> > +	return media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS,
> > +				      decoder->pads);
> > +}
> > +
> > +#else /* !defined(CONFIG_MEDIA_CONTROLLER) */
> > +
> > +static inline int tvp5150_mc_init(struct tvp5150 *decoder)
> > +{
> > +	return 0;
> > +}
> > +#endif /* defined(CONFIG_MEDIA_CONTROLLER) */
> > +
> > +static int
> > +tvp5150_add_connector(struct tvp5150 *decoder, struct device_node *np,
> > +		      unsigned int portn, unsigned int epn, unsigned int svideo)
> > +{
> > +	struct device *dev = decoder->sd.dev;
> > +	struct device_node *ep_np, *remote_np;
> > +	struct v4l2_fwnode_connector *vc;
> > +	struct tvp5150_connector *c;
> > +	unsigned int next_connector = decoder->connectors_num;
> > +	int ret;
> > +
> > +	/* Get free connector entry. */
> > +	if (next_connector >= TVP5150_MAX_CONNECTORS)
> > +		return 0;
> > +
> > +	c = &decoder->connectors[next_connector];
> > +	vc = &c->base;
> > +	ep_np = of_graph_get_endpoint_by_regs(np, portn, epn);
> > +	remote_np = of_graph_get_remote_port_parent(ep_np);
> > +
> > +	ret = v4l2_fwnode_connector_alloc_parse(of_fwnode_handle(ep_np), vc);
> >  	if (ret)
> >  		goto err;
> >  
> > -	flags = bus_cfg.bus.parallel.flags;
> > +	if ((!svideo && vc->type != V4L2_CONN_COMPOSITE) ||
> > +	    (svideo && vc->type != V4L2_CONN_SVIDEO)) {
> > +		dev_err(dev, "Invalid connector type for port@%u/endpoint@%u\n",
> > +			portn, epn);
> > +		ret = -EINVAL;
> > +		goto err;
> > +	}
> >  
> > +	if (svideo &&
> > +	    (vc->nr_of_links != 2 ||
> > +	     vc->links[0].remote_port == vc->links[1].remote_port)) {
> > +		dev_err(dev, "Invalid Svideo connector configuration\n");
> > +		ret = -EINVAL;
> > +		goto err;
> > +	}
> > +
> > +	c->ent.flags = MEDIA_ENT_FL_CONNECTOR;
> > +	c->ent.name = vc->label;
> > +	c->ent.name = kasprintf(GFP_KERNEL, "%s %s", remote_np->name,
> > +				vc->label ? vc->label : "");
> > +	c->ent.function = vc->type == V4L2_CONN_SVIDEO ?
> > +		MEDIA_ENT_F_CONN_SVIDEO : MEDIA_ENT_F_CONN_COMPOSITE;
> > +
> > +	decoder->connectors_num++;
> > +
> > +	of_node_put(remote_np);
> > +	of_node_put(ep_np);
> > +	return 0;
> > +
> > +err:
> > +	of_node_put(remote_np);
> > +	of_node_put(ep_np);
> > +	v4l2_fwnode_connector_free(vc);
> > +	return ret;
> > +}
> > +
> > +static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
> > +{
> > +	struct device *dev = decoder->sd.dev;
> > +	struct device_node *ep_np;
> > +	struct v4l2_fwnode_endpoint bus_cfg = {
> > +		.bus_type = V4L2_MBUS_UNKNOWN
> > +	};
> > +	unsigned int flags, ep_num;
> > +	int ret;
> > +
> > +	/* At least 1 output and 1 input. */
> > +	ep_num = of_graph_get_endpoint_count(np);
> > +	if (ep_num < 2 || ep_num > 5) {
> > +		dev_err(dev, "At least 1 input and 1 output must be connected to the device.\n");
> > +		return -EINVAL;
> > +	}
> > +
> > +	/* Layout if all connectors are used
> > +	 *
> > +	 * tvp-5150 port@0 (AIP1A)
> > +	 *	endpoint@0 -----------> Comp0-Con  port
> > +	 *	endpoint@1 --------+--> Svideo-Con port
> > +	 * tvp-5150 port@1 (AIP1B) |
> > +	 *	endpoint@1 --------+
> > +	 *	endpoint@0 -----------> Comp1-Con  port
> > +	 * tvp-5150 port@2
> > +	 *	endpoint (video bitstream output at YOUT[0-7] parallel bus)
> > +	 */
> > +	for_each_endpoint_of_node(np, ep_np) {
> > +		struct of_endpoint ep;
> > +
> > +		of_graph_parse_endpoint(ep_np, &ep);
> > +		if (ep.port > 1)
> > +			continue;
> > +
> > +		ret = tvp5150_add_connector(decoder, np, ep.port, ep.id,
> > +					    ep.id ? 1 : 0);
> > +		if (ret) {
> > +			of_node_put(ep_np);
> > +			return ret;
> > +		}
> > +	}
> > +
> > +	ep_np = of_graph_get_endpoint_by_regs(np, TVP5150_PAD_VID_OUT, 0);
> > +	if (!ep_np) {
> > +		dev_err(dev, "Error no output endpoint available\n");
> > +		return -EINVAL;
> > +	}
> > +	ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_np), &bus_cfg);
> > +	of_node_put(ep_np);
> > +	if (ret)
> > +		return ret;
> > +
> > +	flags = bus_cfg.bus.parallel.flags;
> >  	if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
> >  	    !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
> >  	      flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
> >  	      flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
> > -		ret = -EINVAL;
> > -		goto err;
> > +		return -EINVAL;
> >  	}
> >  
> >  	decoder->mbus_type = bus_cfg.bus_type;
> >  
> > -err:
> > -	of_node_put(ep);
> > -	return ret;
> > +	return decoder->connectors_num ? 0 : -ENODEV;
> >  }
> >  
> >  static const char * const tvp5150_test_patterns[2] = {
> > @@ -1592,22 +1919,13 @@ static int tvp5150_probe(struct i2c_client *c)
> >  	}
> >  
> >  	v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
> > +	sd->internal_ops = &tvp5150_internal_ops;
> >  	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
> >  
> > -#if defined(CONFIG_MEDIA_CONTROLLER)
> > -	core->pads[TVP5150_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
> > -	core->pads[TVP5150_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
> > -	core->pads[TVP5150_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
> > -	core->pads[TVP5150_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
> > -
> > -	sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
> > -
> > -	res = media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS, core->pads);
> > -	if (res < 0)
> > +	res = tvp5150_mc_init(core);
> > +	if (res)
> >  		return res;
> >  
> > -#endif
> > -
> >  	res = tvp5150_detect_version(core);
> >  	if (res < 0)
> >  		return res;
> > 
> 
> 

-- 
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