diff mbox series

[15/22] media: imx7-media-csi: Create media links in bound notifier

Message ID 20190805233505.21167-16-slongerbeam@gmail.com (mailing list archive)
State New, archived
Headers show
Series media: imx: Create media links in bound notifiers | expand

Commit Message

Steve Longerbeam Aug. 5, 2019, 11:34 p.m. UTC
Implement a notifier bound op to register media links from the remote
sub-device's source pad(s) to the CSI sink pad.

Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
---
 drivers/staging/media/imx/imx7-media-csi.c | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

Comments

Rui Miguel Silva Sept. 2, 2019, 9:38 a.m. UTC | #1
Hi Steve,
On Tue 06 Aug 2019 at 00:34, Steve Longerbeam wrote:
> Implement a notifier bound op to register media links from the remote
> sub-device's source pad(s) to the CSI sink pad.
>
> Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
> ---
>  drivers/staging/media/imx/imx7-media-csi.c | 24 ++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>
> diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c
> index a1c96c52a606..f71ac485f780 100644
> --- a/drivers/staging/media/imx/imx7-media-csi.c
> +++ b/drivers/staging/media/imx/imx7-media-csi.c
> @@ -196,6 +196,11 @@ struct imx7_csi {
>  	struct completion last_eof_completion;
>  };
>
> +static inline struct imx7_csi *notifier_to_dev(struct v4l2_async_notifier *n)
>

As the other one add the namespace for the function name:
imx7_csi_notifier_to_dev

other than this, looks good to me.

Cheers,
  Rui
> +{
> +	return container_of(n, struct imx7_csi, notifier);
> +}
> +
>  static u32 imx7_csi_reg_read(struct imx7_csi *csi, unsigned int offset)
>  {
>  	return readl(csi->regbase + offset);
> @@ -1173,6 +1178,23 @@ static int imx7_csi_parse_endpoint(struct device *dev,
>  	return fwnode_device_is_available(asd->match.fwnode) ? 0 : -EINVAL;
>  }
>
> +static int imx7_csi_notify_bound(struct v4l2_async_notifier *notifier,
> +				 struct v4l2_subdev *sd,
> +				 struct v4l2_async_subdev *asd)
> +{
> +	struct imx7_csi *csi = notifier_to_dev(notifier);
> +	struct media_pad *sink = &csi->sd.entity.pads[IMX7_CSI_PAD_SINK];
> +
> +	return media_create_fwnode_pad_links(sink,
> +					     dev_fwnode(csi->sd.dev),
> +					     &sd->entity,
> +					     dev_fwnode(sd->dev), 0);
> +}
> +
> +static const struct v4l2_async_notifier_operations imx7_csi_notify_ops = {
> +	.bound = imx7_csi_notify_bound,
> +};
> +
>  static int imx7_csi_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
> @@ -1253,6 +1275,8 @@ static int imx7_csi_probe(struct platform_device *pdev)
>
>  	v4l2_async_notifier_init(&csi->notifier);
>
> +	csi->notifier.ops = &imx7_csi_notify_ops;
> +
>  	ret = v4l2_async_register_fwnode_subdev(&csi->sd, &csi->notifier,
>  						sizeof(struct v4l2_async_subdev),
>  						NULL, 0,
Steve Longerbeam Sept. 2, 2019, 9:37 p.m. UTC | #2
Hi Rui,

On 9/2/19 2:38 AM, Rui Miguel Silva wrote:
> Hi Steve,
> On Tue 06 Aug 2019 at 00:34, Steve Longerbeam wrote:
>> Implement a notifier bound op to register media links from the remote
>> sub-device's source pad(s) to the CSI sink pad.
>>
>> Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
>> ---
>>   drivers/staging/media/imx/imx7-media-csi.c | 24 ++++++++++++++++++++++
>>   1 file changed, 24 insertions(+)
>>
>> diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c
>> index a1c96c52a606..f71ac485f780 100644
>> --- a/drivers/staging/media/imx/imx7-media-csi.c
>> +++ b/drivers/staging/media/imx/imx7-media-csi.c
>> @@ -196,6 +196,11 @@ struct imx7_csi {
>>   	struct completion last_eof_completion;
>>   };
>>
>> +static inline struct imx7_csi *notifier_to_dev(struct v4l2_async_notifier *n)
>>
> As the other one add the namespace for the function name:
> imx7_csi_notifier_to_dev
>
> other than this, looks good to me.

Thanks for the review. I will make those changes in next rev.

Steve

>
>
>> +{
>> +	return container_of(n, struct imx7_csi, notifier);
>> +}
>> +
>>   static u32 imx7_csi_reg_read(struct imx7_csi *csi, unsigned int offset)
>>   {
>>   	return readl(csi->regbase + offset);
>> @@ -1173,6 +1178,23 @@ static int imx7_csi_parse_endpoint(struct device *dev,
>>   	return fwnode_device_is_available(asd->match.fwnode) ? 0 : -EINVAL;
>>   }
>>
>> +static int imx7_csi_notify_bound(struct v4l2_async_notifier *notifier,
>> +				 struct v4l2_subdev *sd,
>> +				 struct v4l2_async_subdev *asd)
>> +{
>> +	struct imx7_csi *csi = notifier_to_dev(notifier);
>> +	struct media_pad *sink = &csi->sd.entity.pads[IMX7_CSI_PAD_SINK];
>> +
>> +	return media_create_fwnode_pad_links(sink,
>> +					     dev_fwnode(csi->sd.dev),
>> +					     &sd->entity,
>> +					     dev_fwnode(sd->dev), 0);
>> +}
>> +
>> +static const struct v4l2_async_notifier_operations imx7_csi_notify_ops = {
>> +	.bound = imx7_csi_notify_bound,
>> +};
>> +
>>   static int imx7_csi_probe(struct platform_device *pdev)
>>   {
>>   	struct device *dev = &pdev->dev;
>> @@ -1253,6 +1275,8 @@ static int imx7_csi_probe(struct platform_device *pdev)
>>
>>   	v4l2_async_notifier_init(&csi->notifier);
>>
>> +	csi->notifier.ops = &imx7_csi_notify_ops;
>> +
>>   	ret = v4l2_async_register_fwnode_subdev(&csi->sd, &csi->notifier,
>>   						sizeof(struct v4l2_async_subdev),
>>   						NULL, 0,
diff mbox series

Patch

diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c
index a1c96c52a606..f71ac485f780 100644
--- a/drivers/staging/media/imx/imx7-media-csi.c
+++ b/drivers/staging/media/imx/imx7-media-csi.c
@@ -196,6 +196,11 @@  struct imx7_csi {
 	struct completion last_eof_completion;
 };
 
+static inline struct imx7_csi *notifier_to_dev(struct v4l2_async_notifier *n)
+{
+	return container_of(n, struct imx7_csi, notifier);
+}
+
 static u32 imx7_csi_reg_read(struct imx7_csi *csi, unsigned int offset)
 {
 	return readl(csi->regbase + offset);
@@ -1173,6 +1178,23 @@  static int imx7_csi_parse_endpoint(struct device *dev,
 	return fwnode_device_is_available(asd->match.fwnode) ? 0 : -EINVAL;
 }
 
+static int imx7_csi_notify_bound(struct v4l2_async_notifier *notifier,
+				 struct v4l2_subdev *sd,
+				 struct v4l2_async_subdev *asd)
+{
+	struct imx7_csi *csi = notifier_to_dev(notifier);
+	struct media_pad *sink = &csi->sd.entity.pads[IMX7_CSI_PAD_SINK];
+
+	return media_create_fwnode_pad_links(sink,
+					     dev_fwnode(csi->sd.dev),
+					     &sd->entity,
+					     dev_fwnode(sd->dev), 0);
+}
+
+static const struct v4l2_async_notifier_operations imx7_csi_notify_ops = {
+	.bound = imx7_csi_notify_bound,
+};
+
 static int imx7_csi_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -1253,6 +1275,8 @@  static int imx7_csi_probe(struct platform_device *pdev)
 
 	v4l2_async_notifier_init(&csi->notifier);
 
+	csi->notifier.ops = &imx7_csi_notify_ops;
+
 	ret = v4l2_async_register_fwnode_subdev(&csi->sd, &csi->notifier,
 						sizeof(struct v4l2_async_subdev),
 						NULL, 0,