brcm2708: organize kernel patches
[openwrt/staging/wigyori.git] / target / linux / brcm2708 / patches-4.19 / 950-0788-media-bcm2835-unicam-add-media-controller-support.patch
diff --git a/target/linux/brcm2708/patches-4.19/950-0788-media-bcm2835-unicam-add-media-controller-support.patch b/target/linux/brcm2708/patches-4.19/950-0788-media-bcm2835-unicam-add-media-controller-support.patch
deleted file mode 100644 (file)
index 2209841..0000000
+++ /dev/null
@@ -1,128 +0,0 @@
-From 06cd9857f8faa63321506a75988c475906a32970 Mon Sep 17 00:00:00 2001
-From: Kieran Bingham <kieran.bingham@ideasonboard.com>
-Date: Wed, 20 Mar 2019 12:54:47 +0000
-Subject: [PATCH 788/806] media: bcm2835: unicam: add media controller support
-
-Add a media controller device node to represent the Unicam device.
-The attached sensor will be automatically added to the media graph by
-V4L2 core.
-
-Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
----
- drivers/media/platform/bcm2835/Kconfig        |  2 +-
- .../media/platform/bcm2835/bcm2835-unicam.c   | 46 ++++++++++++++++++-
- 2 files changed, 45 insertions(+), 3 deletions(-)
-
---- a/drivers/media/platform/bcm2835/Kconfig
-+++ b/drivers/media/platform/bcm2835/Kconfig
-@@ -2,7 +2,7 @@
- config VIDEO_BCM2835_UNICAM
-       tristate "Broadcom BCM2835 Unicam video capture driver"
--      depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
-+      depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API && MEDIA_CONTROLLER
-       depends on ARCH_BCM2835 || COMPILE_TEST
-       select VIDEOBUF2_DMA_CONTIG
-       select V4L2_FWNODE
---- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
-+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
-@@ -314,6 +314,9 @@ struct unicam_device {
-       struct clk *clock;
-       /* V4l2 device */
-       struct v4l2_device v4l2_dev;
-+      struct media_device mdev;
-+      struct media_pad pad;
-+
-       /* parent device */
-       struct platform_device *pdev;
-       /* subdevice async Notifier */
-@@ -1912,6 +1915,8 @@ static int unicam_probe_complete(struct
-               unicam->v4l2_dev.ctrl_handler = NULL;
-       video_set_drvdata(vdev, unicam);
-+      vdev->entity.flags |= MEDIA_ENT_FL_DEFAULT;
-+
-       ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
-       if (ret) {
-               unicam_err(unicam, "Unable to register video device.\n");
-@@ -1953,6 +1958,16 @@ static int unicam_probe_complete(struct
-               return ret;
-       }
-+      ret = media_create_pad_link(&unicam->sensor->entity, 0,
-+                                  &unicam->video_dev.entity, 0,
-+                                  MEDIA_LNK_FL_ENABLED |
-+                                  MEDIA_LNK_FL_IMMUTABLE);
-+      if (ret) {
-+              unicam_err(unicam, "Unable to create pad links.\n");
-+              video_unregister_device(&unicam->video_dev);
-+              return ret;
-+      }
-+
-       return 0;
- }
-@@ -2155,18 +2170,38 @@ static int unicam_probe(struct platform_
-               return -EINVAL;
-       }
-+      unicam->mdev.dev = &pdev->dev;
-+      strscpy(unicam->mdev.model, UNICAM_MODULE_NAME,
-+              sizeof(unicam->mdev.model));
-+      strscpy(unicam->mdev.serial, "", sizeof(unicam->mdev.serial));
-+      snprintf(unicam->mdev.bus_info, sizeof(unicam->mdev.bus_info),
-+               "platform:%s", pdev->name);
-+      unicam->mdev.hw_revision = 1;
-+
-+      media_entity_pads_init(&unicam->video_dev.entity, 1, &unicam->pad);
-+      media_device_init(&unicam->mdev);
-+
-+      unicam->v4l2_dev.mdev = &unicam->mdev;
-+
-       ret = v4l2_device_register(&pdev->dev, &unicam->v4l2_dev);
-       if (ret) {
-               unicam_err(unicam,
-                          "Unable to register v4l2 device.\n");
--              return ret;
-+              goto media_cleanup;
-+      }
-+
-+      ret = media_device_register(&unicam->mdev);
-+      if (ret < 0) {
-+              unicam_err(unicam,
-+                         "Unable to register media-controller device.\n");
-+              goto probe_out_v4l2_unregister;
-       }
-       /* Reserve space for the controls */
-       hdl = &unicam->ctrl_handler;
-       ret = v4l2_ctrl_handler_init(hdl, 16);
-       if (ret < 0)
--              goto probe_out_v4l2_unregister;
-+              goto media_unregister;
-       unicam->v4l2_dev.ctrl_handler = hdl;
-       /* set the driver data in platform device */
-@@ -2185,8 +2220,13 @@ static int unicam_probe(struct platform_
- free_hdl:
-       v4l2_ctrl_handler_free(hdl);
-+media_unregister:
-+      media_device_unregister(&unicam->mdev);
- probe_out_v4l2_unregister:
-       v4l2_device_unregister(&unicam->v4l2_dev);
-+media_cleanup:
-+      media_device_cleanup(&unicam->mdev);
-+
-       return ret;
- }
-@@ -2204,6 +2244,8 @@ static int unicam_remove(struct platform
-       video_unregister_device(&unicam->video_dev);
-       if (unicam->sensor_config)
-               v4l2_subdev_free_pad_config(unicam->sensor_config);
-+      media_device_unregister(&unicam->mdev);
-+      media_device_cleanup(&unicam->mdev);
-       return 0;
- }