Florian: ping! Regards, Hans On 6/4/19 2:36 PM, Hans Verkuil wrote: > Instead of filling in the struct v4l2_capability device_caps > field, fill in the struct video_device device_caps field. > > That way the V4L2 core knows what the capabilities of the > video device are. > > But this only really works if all drivers use this, so convert > this touchscreen driver accordingly. > > Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> > Cc: Florian Echtler <floe@xxxxxxxxxxxxxx> > --- > Resend, adding Dmitry and linux-input to the CC list. > > Dmitry, if you want to take this through your tree, then that's OK by me. > > Alternatively, it can go through the media tree, but then I need your Ack. > > Regards, > > Hans > --- > drivers/input/touchscreen/sur40.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c > index 894843a7ec7b..8b18d0acf5e0 100644 > --- a/drivers/input/touchscreen/sur40.c > +++ b/drivers/input/touchscreen/sur40.c > @@ -933,10 +933,6 @@ static int sur40_vidioc_querycap(struct file *file, void *priv, > strlcpy(cap->driver, DRIVER_SHORT, sizeof(cap->driver)); > strlcpy(cap->card, DRIVER_LONG, sizeof(cap->card)); > usb_make_path(sur40->usbdev, cap->bus_info, sizeof(cap->bus_info)); > - cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TOUCH | > - V4L2_CAP_READWRITE | > - V4L2_CAP_STREAMING; > - cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; > return 0; > } > @@ -1166,6 +1162,8 @@ static const struct video_device sur40_video_device = { > .fops = &sur40_video_fops, > .ioctl_ops = &sur40_video_ioctl_ops, > .release = video_device_release_empty, > + .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TOUCH | > + V4L2_CAP_READWRITE | V4L2_CAP_STREAMING, > }; > /* USB-specific object needed to register this driver with the USB subsystem. */ >