I'm really sorry, but this message was originally meant to be sent (and was already also sent) to linux-media. Please ignore here.
2018-05-14 19:28 GMT+02:00 Josef Šimánek <[email protected]>: > > > The length of UVC 1.5 video control is 48, and it id 34 for UVC 1.1. > > Change it to 48 for UVC 1.5 device, > > and the UVC 1.5 device can be recognized. > > > > More changes to the driver are needed for full UVC 1.5 compatibility. > > However, at least the UVC 1.5 Realtek RTS5847/RTS5852 cameras have > > been reported to work well. > > > > Signed-off-by: ming_qian <[email protected]> > > Tested-by: Kai-Heng Feng <[email protected]> > Hello! I have sucessfully tested this patch on Kernel 4.16.1 (Fedora 28) with > Dell XPS 9370 > using following device (output from lsusb): > > Bus 001 Device 002: ID 0bda:58f4 Realtek Semiconductor Corp. > > You can also find related dmesg output at > https://bugs.launchpad.net/dell-sputnik/+bug/1763748/comments/35 > > Tested-by: Josef Šimánek <[email protected]> > > Reviewed-by: Hans de Goede <[email protected]> > > --- > > drivers/media/usb/uvc/uvc_video.c | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/drivers/media/usb/uvc/uvc_video.c > > b/drivers/media/usb/uvc/uvc_video.c > > index aa0082f..32dfb32 100644 > > --- a/drivers/media/usb/uvc/uvc_video.c > > +++ b/drivers/media/usb/uvc/uvc_video.c > > @@ -171,6 +171,8 @@ static int uvc_get_video_ctrl(struct uvc_streaming > > *stream, > > int ret; > > > > size = stream->dev->uvc_version >= 0x0110 ? 34 : 26; > > + if (stream->dev->uvc_version >= 0x0150) > > + size = 48; > > if ((stream->dev->quirks & UVC_QUIRK_PROBE_DEF) && > > query == UVC_GET_DEF) > > return -EIO; > > @@ -259,6 +261,8 @@ static int uvc_set_video_ctrl(struct uvc_streaming > > *stream, > > int ret; > > > > size = stream->dev->uvc_version >= 0x0110 ? 34 : 26; > > + if (stream->dev->uvc_version >= 0x0150) > > + size = 48; > > data = kzalloc(size, GFP_KERNEL); > > if (data == NULL) > > return -ENOMEM;
