automatically assign ascending indices when the
format is linked into the streaming header, but the user space gadget
application would need a way to check or predict the indices so that it
can properly interpret PROBE/COMMIT CONTROL requests.
Signed-off-by: Joel Pepper
---
drivers/usb/gadget/fun
tos
in Documentation/ABI, with note that it was added only in a later
kernel version
Signed-off-by: Joel Pepper
---
Documentation/ABI/testing/configfs-usb-gadget-uvc | 17 +
drivers/usb/gadget/function/uvc_configfs.c| 3 +++
2 files changed, 20 insertions(+)
diff --git
Hi Lauren,
On 20.03.2018 10:02, Laurent Pinchart wrote:
> Hi Joel,
>
> (CC'ing Paul Elder who is working on the UVC gadget driver)
>
> Thank you for the patch.
>
> On Monday, 19 March 2018 21:36:41 EET Joel Pepper wrote:
>> Add bFrameIndex as a UVCG_FRAME_ATTR fo
was added only in a later
kernel version
v3: Changed from simply allowing user to set the value for bFrameIndex to
automatically assigning correct distinct frame indexes. Changed
bFrameIndex from RW to RO
Signed-off-by: Joel Pepper
---
Documentation/ABI/testing/configfs
was added only in a later
kernel version
v3: Changed from simply allowing user to set the value for bFrameIndex to
automatically assigning correct distinct frame indexes. Changed
bFrameIndex from RW to RO
v4: Actually include updated patch
Signed-off-by: Joel Pepper
---
Documentation/ABI/
Please disregard this version, I discovered a different bug which needs
to be fixed before the -EBUSY behaviour can implemented, both will come
in v5
On 21.03.2018 11:20, Joel Pepper wrote:
> - Add bFrameIndex as a UVCG_FRAME_ATTR_RO for each frame size.
> - Automatically assign asc
While checks are in place to avoid attributes and children of a format
being manipulated after the format is linked into the streaming header,
the linked flag was never actually set, invalidating the protections.
Signed-off-by: Joel Pepper
---
drivers/usb/gadget/function/uvc_configfs.c | 3
is bug has farther reaching
implications, I have included the relevant fix as an independent patch
Joel Pepper (2):
usb/gadget/uvc-configs Fix host unable to negotiate framesizes other
than first
usb/gadget/uvc-configfs Fix linked flag in a format not being set when
format is linked into
mt is not linked yet
Signed-off-by: Joel Pepper
---
Documentation/ABI/testing/configfs-usb-gadget-uvc | 18 +++
drivers/usb/gadget/function/uvc_configfs.c| 64 +++
2 files changed, 82 insertions(+)
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uvc
b/Docum
ld frame descriptors and assign ascending indices.
The automatically assigned indices can be read from the new read only
bFrameIndex configsfs attribute in each frame descriptor item.
Signed-off-by: Joel Pepper
---
v2: Add the new attribute to both MJPEG and uncompressed frame descriptors
in Doc
While checks are in place to avoid attributes and children of a format
being manipulated after the format is linked into the streaming header,
the linked flag was never actually set, invalidating the protections.
Signed-off-by: Joel Pepper
---
drivers/usb/gadget/function/uvc_configfs.c | 3
esubmit of v5 which got buried ahead of the last merge
window and never got reviewed. The addition to the Documentation has been
updated to reflect this. Also moved version comments out of the actual commit
message (Thanks, Felipe.)
Joel Pepper (2):
usb/gadget/uvc-configfs Fix linked flag i
other functions.
Joel Pepper (1):
usb: gadget: composite Allow for larger configuration descriptors
include/linux/usb/composite.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--
2.1.4
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To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of
to 4096.
Signed-off-by: Joel Pepper
---
include/linux/usb/composite.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 4b6b928..8675e14 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb
And here is the actual packet capture that should have been attached in
the last mail
On 26.04.2018 20:26, Joel Pepper wrote:
> I have been doing some work with uvc gadgets, which mirrors the
> capabilities of actual webcams attached to a host port.
> During testing I ran into -EPIPE er
ld frame descriptors and assign ascending indices.
The automatically assigned indices can be read from the new read only
bFrameIndex configsfs attribute in each frame descriptor item.
Signed-off-by: Joel Pepper
---
v2: Add the new attribute to both MJPEG and uncompressed frame descriptors
in Doc
resend got buried
too.)
Joel Pepper (2):
usb/gadget/uvc-configfs Fix linked flag in a format not being set when
format is linked into streaming header
usb/gadget/uvc-configfs Fix host unable to negotiate framesizes other
than first
Documentation/ABI/testing/configfs-usb-gadge
While checks are in place to avoid attributes and children of a format
being manipulated after the format is linked into the streaming header,
the linked flag was never actually set, invalidating the protections.
Signed-off-by: Joel Pepper
---
drivers/usb/gadget/function/uvc_configfs.c | 3
@Laurent, I accidentally hit "Reply" instead of "Reply All", please
disregard the previous copy of this email
Hi Laurent and Paul,
On 08.06.2018 21:16, Laurent Pinchart wrote:
> Hi Joel and Paul,
>
> On Friday, 8 June 2018 22:12:56 EEST Laurent Pinchart wrote:
>> From: Paul Elder
>>
>> The UVC
Hi Laurent,
looks good to me; I have no complaints.
On 13.06.2018 00:58, Laurent Pinchart wrote:
> From: Joel Pepper
>
> - Add bFrameIndex as a UVCG_FRAME_ATTR_RO for each frame size.
> - Automatically assign ascending bFrameIndex to each frame in a format.
>
> Befor
I am currently working on an application for my master thesis that does
transparent inline modification of frames received from a uvc webcam
which are served to the actual host through a uvc gadget mimicking the
underlying webcam. I recently noticed that the host side v4l2 driver
would only ever r
ndary, but I'm still reading into the code. If you would
like to investigate that further, the C270 is rather affordable, but I
will gladly provide any details, usbmon captures etc. that you require.
Cheers,
Joel Pepper
On 19.10.2018 20:06, Josep M. Mirats Tur wrote:
> Hi Bin,
>
>&g
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