[PATCH] vivid: fill in media_device bus_info

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If you create multiple vivid instances, each with their own media
device, then there was no way to tell them apart.

Fill in the bus_info so each instance has a unique bus_info string.

Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c
index bc7307183b1d..c1b5976af3e6 100644
--- a/drivers/media/platform/vivid/vivid-core.c
+++ b/drivers/media/platform/vivid/vivid-core.c
@@ -670,6 +670,8 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)

 	/* Initialize media device */
 	strlcpy(dev->mdev.model, VIVID_MODULE_NAME, sizeof(dev->mdev.model));
+	snprintf(dev->mdev.bus_info, sizeof(dev->mdev.bus_info),
+		 "platform:%s-%03d", VIVID_MODULE_NAME, inst);
 	dev->mdev.dev = &pdev->dev;
 	media_device_init(&dev->mdev);
 	dev->mdev.ops = &vivid_media_ops;



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