Hi John,
On Friday 10 October 2014 20:41:12 John Crispin wrote:
> The following patch adds the usb ids for the iPassion chip. This chip is
> found on D-Link DIR-930 IP cameras. For them to work this patch needs to be
> applied. I am almost certain that this is the incorrect fix. Could someone
> shed a bit of light on how i should really implement the fix ?
First of all, could you explain how the camera misbehaves without this patch
set ?
> Signed-off-by: John Crispin <blogic@xxxxxxxxxxx>
> ---
> drivers/media/usb/uvc/uvc_video.c | 2 ++
> drivers/media/usb/uvc/uvcvideo.h | 1 +
> 2 files changed, 3 insertions(+)
>
> diff --git a/drivers/media/usb/uvc/uvc_video.c
> b/drivers/media/usb/uvc/uvc_video.c index 9144a2f..61381fd 100644
> --- a/drivers/media/usb/uvc/uvc_video.c
> +++ b/drivers/media/usb/uvc/uvc_video.c
> @@ -1495,6 +1495,8 @@ static int uvc_init_video_isoc(struct uvc_streaming
> *stream, if (npackets == 0)
> return -ENOMEM;
>
> + if (stream->dev->quirks & UVC_QUIRK_SINGLE_ISO)
> + npackets = 1;
> size = npackets * psize;
>
> for (i = 0; i < UVC_URBS; ++i) {
> diff --git a/drivers/media/usb/uvc/uvcvideo.h
> b/drivers/media/usb/uvc/uvcvideo.h index b1f69a6..b6df4f8 100644
> --- a/drivers/media/usb/uvc/uvcvideo.h
> +++ b/drivers/media/usb/uvc/uvcvideo.h
> @@ -147,6 +147,7 @@
> #define UVC_QUIRK_FIX_BANDWIDTH 0x00000080
> #define UVC_QUIRK_PROBE_DEF 0x00000100
> #define UVC_QUIRK_RESTRICT_FRAME_RATE 0x00000200
> +#define UVC_QUIRK_SINGLE_ISO 0x00000400
>
> /* Format flags */
> #define UVC_FMT_FLAG_COMPRESSED 0x00000001
--
Regards,
Laurent Pinchart
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