diff mbox series

[v6,11/17] media: uvcvideo: Use dev->name for querycap()

Message ID 20210317164511.39967-12-ribalda@chromium.org
State Superseded
Headers show
Series uvcvideo: Fix v4l2-compliance errors | expand

Commit Message

Ricardo Ribalda March 17, 2021, 4:45 p.m. UTC
Use the device name for the card name instead of vdev->name.

Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/usb/uvc/uvc_v4l2.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Hans Verkuil March 18, 2021, 8:05 a.m. UTC | #1
On 17/03/2021 17:45, Ricardo Ribalda wrote:
> Use the device name for the card name instead of vdev->name.

> 

> Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>

> ---

>  drivers/media/usb/uvc/uvc_v4l2.c | 3 +--

>  1 file changed, 1 insertion(+), 2 deletions(-)

> 

> diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c

> index 397217171bbb..dd10cb9361fa 100644

> --- a/drivers/media/usb/uvc/uvc_v4l2.c

> +++ b/drivers/media/usb/uvc/uvc_v4l2.c

> @@ -617,13 +617,12 @@ static int uvc_v4l2_release(struct file *file)

>  static int uvc_ioctl_querycap(struct file *file, void *fh,

>  			      struct v4l2_capability *cap)

>  {

> -	struct video_device *vdev = video_devdata(file);

>  	struct uvc_fh *handle = file->private_data;

>  	struct uvc_video_chain *chain = handle->chain;

>  	struct uvc_streaming *stream = handle->stream;

>  

>  	strscpy(cap->driver, "uvcvideo", sizeof(cap->driver));

> -	strscpy(cap->card, vdev->name, sizeof(cap->card));

> +	strscpy(cap->card, handle->stream->dev->name, sizeof(cap->card));

>  	usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info));

>  	cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING

>  			  | chain->caps;

> 


You forgot to update querycap in uvc_metadata.c as well:

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

---
diff --git a/drivers/media/usb/uvc/uvc_metadata.c b/drivers/media/usb/uvc/uvc_metadata.c
index 849d8e5ab75d..d3aab22f91ce 100644
--- a/drivers/media/usb/uvc/uvc_metadata.c
+++ b/drivers/media/usb/uvc/uvc_metadata.c
@@ -30,7 +30,7 @@ static int uvc_meta_v4l2_querycap(struct file *file, void *fh,
 	struct uvc_video_chain *chain = stream->chain;

 	strscpy(cap->driver, "uvcvideo", sizeof(cap->driver));
-	strscpy(cap->card, vfh->vdev->name, sizeof(cap->card));
+	strscpy(cap->card, stream->dev->name, sizeof(cap->card));
 	usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info));
 	cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING
 			  | chain->caps;

With this change both video and metadata card names are the same, as you would
expect.

Regards,

	Hans
diff mbox series

Patch

diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 397217171bbb..dd10cb9361fa 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -617,13 +617,12 @@  static int uvc_v4l2_release(struct file *file)
 static int uvc_ioctl_querycap(struct file *file, void *fh,
 			      struct v4l2_capability *cap)
 {
-	struct video_device *vdev = video_devdata(file);
 	struct uvc_fh *handle = file->private_data;
 	struct uvc_video_chain *chain = handle->chain;
 	struct uvc_streaming *stream = handle->stream;
 
 	strscpy(cap->driver, "uvcvideo", sizeof(cap->driver));
-	strscpy(cap->card, vdev->name, sizeof(cap->card));
+	strscpy(cap->card, handle->stream->dev->name, sizeof(cap->card));
 	usb_make_path(stream->dev->udev, cap->bus_info, sizeof(cap->bus_info));
 	cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING
 			  | chain->caps;