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From: Laurent Pinchart <laurent.pinchart@skynet.be>
Add support for absolute and continuous zoom controls (mapped to absolute
and relative UVC zoom controls).
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
Bogus controls currently include processing unit auto controls for which no
corresponding manual control is available. Such auto controls make little
sense if any, and are known to crash at least the SiGma Micro webcam.
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
The driver drops incomplete uncompressed video frames to avoid confusing
userspace with corrupt data. Add a nodrop module parameter to turn that
behaviour off and make all frames available to userspace.
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
When used in userspace code, the uvcvideo.h header shouldn't pull compat.h.
Make sure this won't happen by moving the #include to a __KERNEL__ protected
section.
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
The uvcvideo driver makes use of the usb_endpoint_* functions as well as
the list_first_entry and uninitialized_var macros. Add them to v4l/compat.h
and update the driver with kernel version-based conditional compilation
sections.
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
Failed requests will now generate a one-time warning message instead of the
usual "Failed to query..." error, which should be more user-friendly. The
driver will also recover automatically from failed GET_MIN/GET_MAX requests
when the device is half-broken without requiring the MINMAX quirk (fully
broken devices still need the quirk).
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Ming Lei <tom.leiming@gmail.com>
The status[] is part of uvc_device structure. We can't make sure
the address of status is at a cache-line boundary in all archs,so
status[] might share a cache-line with some fields in uvc_structure.
This can lead to some cache coherence issues(http://lwn.net/Articles/2265/).
Use dynamically allocated buffer instead.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
All submitted URBs must be killed at suspend time, but URB buffers don't have
to be freed. Avoiding a free on suspend/reallocate on resume lowers the presure
on system memory.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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USB Video Class driver
This driver supports video input devices compliant with the USB Video Class
specification. This means lots of currently manufactured webcams, and probably
most of the future ones.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Notice: Due to MAINTAINERS file that isn't at mercurial tree, I've
committed it on my -git and backported to -hg.
kernel-sync:
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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