diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_video.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_video.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 9144a2f3ed82..9ace520bb079 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1143,7 +1143,7 @@ static int uvc_video_encode_data(struct uvc_streaming *stream, static void uvc_video_validate_buffer(const struct uvc_streaming *stream, struct uvc_buffer *buf) { - if (buf->length != buf->bytesused && + if (stream->frame_size != buf->bytesused && !(stream->cur_format->flags & UVC_FMT_FLAG_COMPRESSED)) buf->error = 1; } @@ -1463,7 +1463,7 @@ static unsigned int uvc_endpoint_max_bpi(struct usb_device *dev, switch (dev->speed) { case USB_SPEED_SUPER: - return ep->ss_ep_comp.wBytesPerInterval; + return le16_to_cpu(ep->ss_ep_comp.wBytesPerInterval); case USB_SPEED_HIGH: psize = usb_endpoint_maxp(&ep->desc); return (psize & 0x07ff) * (1 + ((psize >> 11) & 3)); @@ -1678,6 +1678,12 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags) } } + /* The Logitech C920 temporarily forgets that it should not be adjusting + * Exposure Absolute during init so restore controls to stored values. + */ + if (stream->dev->quirks & UVC_QUIRK_RESTORE_CTRLS_ON_INIT) + uvc_ctrl_restore_values(stream->dev); + return 0; } |