[PATCH] vimc: fill in bus_info in media_device_info

[Hans Verkuil]

It is good practice to fill in bus_info.

Also just use 'platform:vimc' when filling in the bus_info in querycap:
the bus_info has nothing to do with the video device name.

Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
---
diff --git a/drivers/media/platform/vimc/vimc-capture.c 
b/drivers/media/platform/vimc/vimc-capture.c
index aaeddf24b042..550aa426ae5e 100644
--- a/drivers/media/platform/vimc/vimc-capture.c
+++ b/drivers/media/platform/vimc/vimc-capture.c
@@ -69,12 +69,10 @@ struct vimc_cap_buffer {
 static int vimc_cap_querycap(struct file *file, void *priv,
                             struct v4l2_capability *cap)
 {
-       struct vimc_cap_device *vcap = video_drvdata(file);
-
        strscpy(cap->driver, VIMC_PDEV_NAME, sizeof(cap->driver));
        strscpy(cap->card, KBUILD_MODNAME, sizeof(cap->card));
        snprintf(cap->bus_info, sizeof(cap->bus_info),
-                "platform:%s", vcap->vdev.v4l2_dev->name);
+                "platform:%s", VIMC_PDEV_NAME);

        return 0;
 }
diff --git a/drivers/media/platform/vimc/vimc-core.c 
b/drivers/media/platform/vimc/vimc-core.c
index bf19f1f9795e..c2fdf3ea67ed 100644
--- a/drivers/media/platform/vimc/vimc-core.c
+++ b/drivers/media/platform/vimc/vimc-core.c
@@ -318,6 +318,8 @@ static int vimc_probe(struct platform_device *pdev)
        /* Initialize media device */
        strscpy(vimc->mdev.model, VIMC_MDEV_MODEL_NAME,
                sizeof(vimc->mdev.model));
+       snprintf(vimc->mdev.bus_info, sizeof(vimc->mdev.bus_info),
+                "platform:%s", VIMC_PDEV_NAME);
        vimc->mdev.dev = &pdev->dev;
        media_device_init(&vimc->mdev);