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From: Alan Cox <alan@linux.intel.com>
Closes-bug: http://bugzilla.kernel.org/show_bug.cgi?id=13435
Priority: normal
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
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From: Figo.zhang <figo1802@gmail.com>
vfree() does it's own NULL checking,so no need for check before
calling it.
Priority: normal
Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
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From: Figo.zhang <figo1802@gmail.com>
it is better return -ENOMEM than -EIO
Priority: normal
Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Devin Heitmueller <dheitmueller@kernellabs.com>
In cases where the device does not actually provide a USB audio class *or*
vendor audio, do not load the driver that provides vendor audio support (such
as the KWorld 2800d). Otherwise, the /dev/audio1 device file gets created and
users get confused.
Also, reworks the logic a bit so that we don't try to inspect the register
content if the register read failed entirely.
Priority: normal
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
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From: Andy Walls <awalls@radix.net>
This adds support for DVB-T on the Leadtek DVR3100 H and should also get analog
TV capture from the tuner working properly as well.
DVB-T 6 MHz and 8 MHz have been tested and verified to work by Terry Wu of
Leadtek. DVB-T 7 MHz has also been verified working with a change developed by
Terry to the tuner-xc2028.c driver.
Special thanks go to Terry Wu <terrywu2009@gmail.com> of Leadtek who provided
the needed information and testing to get digital TV working for the Leadtek
DVR3100 H.
Reported-by: Terry Wu <terrywu2009@gmail.com>
Priority: normal
Tested-by: Terry Wu <terrywu2009@gmail.com>
Signed-off-by: Andy Walls <awalls@radix.net>
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From: Andy Walls <awalls@radix.net>
Priority: normal
Signed-off-by: Andy Walls <awalls@radix.net>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
Herton Ronaldo Krzesinski from Mandriva reported that one Bison Electronics
webcam exposes a non-UVC interface descriptor. Instead of failing completely,
ignore trailing non-UVC descriptors and move on.
Thanks to Herton for reporting the problem and submitting a patch proposal.
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
The FSC WebCam V30S (18ec:3288) requires the MINMAX quirk. Add a corresponding
entry in the device IDs list.
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
The Aveo Technology USB 2.0 Camera (1871:0306) requires the
PROBE_EXTRAFIELDS quirk. Add a corresponding entry in the device IDs list.
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Hans de Goede <hdegoede@redhat.com>
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Franklin Meng <fmeng2002@yahoo.com>
Added an entry for Kworld 315 (for while, dvb only)
Priority: normal
Signed-off-by: Franklin Meng <fmeng2002@yahoo.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
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From: Franklin Meng <fmeng2002@yahoo.com>
Added tda9887_conf set up into em28xx_card_setup()
Priority: normal
Signed-off-by: Franklin Meng <fmeng2002@yahoo.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
Setting a new frame format or size will likely change the buffer size required
to store a complete video frame. To avoid a buffer overflow, don't allow
VIDIOC_S_FMT calls when video buffers are already allocated.
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
By mistake, I've committed a changeset that it is not done yet together
with a fix. Revert the broken part of the old changeset.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
The last changeset has an else missing, causing wrong frequencies for
DTV6. Thanks to Terry Wu <terrywu2009@gmail.com> for pointing the issue.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Erik Andrén <erik.andren@gmail.com>
Add vflip quirk for the ASUS A6VA. Thanks to Salvo Di Rosa for reporting.
Priority: normal
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
Another device (5986:0241) has been reported to advertise a UVC control it
does not support. Rework the control blacklist to match devices by their
VID:PID instead of trying to be clever about which controls might not be
supported properly.
Priority: normal
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
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From: Trent Piepho <xyzzy@speakeasy.org>
In the TRY_FMT handler the function get_scale() is called to find what the
scaler hardware will produce for a requested size.
The problem is that get_scale(struct cx231xx *dev, ..., unsigned int *vscale,
unsigned int *hscale) saves the calculated scale values into both the
pointer arguments and into dev's hscale and vscale fields. TRY_FMT shouldn't
actually change anything in the device state.
The code to in get_scale() that writes to dev->[hv]scale can just be
deleted. In all cases when dev's fields should be modified, get_scale()
was called with get_scale(dev, ..., &dev->hscale, &dev->vscale), so dev was
getting updated anyway.
This didn't actually cause a problem because nothing ever actually made use
of the hscale and vscale fields. I changed cx231xx_resolution_set() to use
those fields rather than re-calculate them with a call to get_scale().
Updating [hv]scale in cx231xx_resolution_set() isn't necessary because
every call of cx231xx_resolution_set() was already preceded by a call to
get_scale() or setting the [hv]scale fields, so they will be always be
up-to-date w.r.t. width and height.
Removing the call to get_scale() from cx231xx_resolution_set() allowed
making get_scale() a static function, which is a good thing for something
with such a short name. There is already another function with the same
name in the em28xx driver, but that one is static.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
It appears that the em2800 can only scale by 50% or 100%, i.e. the only
heights supported might be 240 and 480. In that case the old code would
set any height other than 240 to 480. Request 240 get 240, but request 239
and then you get 480. Change it to round to the nearest supported value.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
CC: Srinivasa Deevi <srinivasa.deevi@conexant.com>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
The existing code was casting pointers to u32 and to unsigned int into
pointers to u16. This could mess up if someone passed in an image size
greater than 65,535 and on big-endian platforms it won't work at all.
The existing bounding code would shrink an image if it was too big, but
returned ERANGE if it was too small. The code will not shrink or expand as
necessary.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Trent Piepho <xyzzy@speakeasy.org>
The v4l function has a better algorithm for aligning image size.
For instance the old code would change 159x243 into 156x240 to meet the
alignment requirements. The new function will use 160x243, which is a lot
closer to what was asked for originally.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
CC: Robert Jarzmik <robert.jarzmik@free.fr>
CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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From: Trent Piepho <xyzzy@speakeasy.org>
Most hardware has limits on minimum and maximum image dimensions and also
requirements about alignment. For example, image width must be even or a
multiple of four. Some hardware has requirements that the total image size
(width * height) be a multiple of some power of two.
v4l_bound_align_image() will enforce min and max width and height, power of
two alignment on width and height, and power of two alignment on total
image size.
It uses an efficient algorithm that will try to find the "closest" image
size that meets the requirements.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Andy Walls <awalls@radix.net>
Thanks to David Ward and Mike Krufky for reporting the problem and
debugging this as an unresolved symbol due to a 64 bit divide on a 32 bit
system. David Ward provided the content of this patch; Andy Walls only
performed some cosmetic edits.
Reported-by: David Ward <david.ward@gatech.edu>
Priority: normal
Signed-off-by: David Ward <david.ward@gatech.edu>
Signed-off-by: Andy Walls <awalls@radix.net>
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From: Jean-Francois Moine <moinejf@free.fr>
Priority: normal
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Robert Krakora <rob.krakora@messagenetsystems.com>
Test Code: (Provided by Douglas)
v4l-dvb/v4l2-apps/test/stress-buffer.c
The audio DMA area was never being freed and would slowly leak over
time as the v4l device was opened and closed by an application.
Thanks again to Douglas for generating the test code to help locate
memory leaks!!!
Priority: normal
Signed-off-by: Robert Krakora <rob.krakora@messagenetsystems.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
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From: Filipe Rosset <rosset.filipe@gmail.com>
Remove always false if over unsigned int variable
Priority: normal
Signed-off-by: Filipe Rosset <rosset.filipe@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
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From: Dmitri Belimov <d.belimov@gmail.com>
1. Add start/stop TS function.
2. Move setup DMA of TS to DMA function.
3. Write support cupture via MMAP
4. Rework startup and finish process, remove simple FSM.
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Alexey Osipov <lion-simba@pridelands.ru>
Tested-by: Hermann Pitton <hermann-pitton@arcor.de>
Tested-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Devin Heitmueller <dheitmueller@kernellabs.com>
Add an au0828 module option that allows a user to override the USB speed check.
Intended for advanced users who understand the consequences of trying to use
the device with a 12Mbps bus.
Priority: normal
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
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From: Devin Heitmueller <dheitmueller@kernellabs.com>
Add an em28xx module option that allows a user to override the USB speed check.
Intended for advanced users who understand the consequences of trying to use
the device with a 12Mbps bus.
Priority: normal
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
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From: Devin Heitmueller <dheitmueller@kernellabs.com>
This patch removes some remaining dead code. Warning showed up in Hans
Verkuil's daily report after I committed hg changeset 7f2eea75118b.
Thanks to Michael Krufky for bringing the warning to my attention.
Priority: normal
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Cc: Michael Krufky <mkrufky@kernellabs.com>
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From: Devin Heitmueller <dheitmueller@kernellabs.com>
Make the KWorld 2800d work properly. In this case, that means making the
profile more generic so that it works for both the Pointnix Intra-Oral USB
camera and the KWorld device.
The device provides the audio through a pass-thru cable, so we don't need
an actual audio capture profile (neither the K-World device nor the Pointnix
have an onboard audio decoder).
Thanks to Paul Thomas for providing sample hardware.
Priority: normal
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Cc: Paul Thomas <pthomas8589@gmail.com>
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From: Devin Heitmueller <dheitmueller@kernellabs.com>
The au0828 basically just doesn't work at 12 Mbps. The isoc pipe needs
nearly 200 Mbps for analog support, so users would see garbage video, and on
the DVB/ATSC side scanning is likely to work but if the user tried to tune it
would certainly appear to have failed.
It's better to fail explicity up front and tell the user to plug into a USB 2.0
port, than to let the driver load and the user have weird problems with tuning
and garbage video.
Priority: normal
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
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From: Devin Heitmueller <dheitmueller@kernellabs.com>
The em28xx basically just doesn't work at 12 Mbps. The isoc pipe needs
nearly 200 Mbps for analog support, so users would see garbage video, and on
the DVB/ATSC side scanning is likely to work but if the user tried to tune it
would certainly appear to have failed.
It's better to fail explicity up front and tell the user to plug into a USB 2.0
port, than to let the driver load and the user have weird problems with tuning
and garbage video.
Priority: normal
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
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From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This replaces dma_sync_single() with dma_sync_single_for_cpu() because
dma_sync_single() is an obsolete API; include/linux/dma-mapping.h says:
/* Backwards compat, remove in 2.7.x */
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Randy Dunlap <randy.dunlap@oracle.com>
Fix v4l2-device usage of i2c_unregister_device() and handle the case of
CONFIG_I2C=m & CONFIG_MEDIA_VIDEO=y.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Mostly due to ir-kdb-i2c, but also due to two new drivers, compilation
with kernels older than 2.6.29 were broken.
This quick and dirty changeset, generated semi-automatically, restaures
backport to the subsystem by adding lots of #ifs.
It is possible to write a much more small changeset that would restore
backport without adding so many ifs, but, due to the lack of time, this
will also solve it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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