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From: Hans Verkuil <hverkuil@xs4all.nl>
Phase 4 removes the compatibility support for kernels < 2.6.16.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
UVC devices can report button events. The uvcvideo driver depends on
CONFIG_INPUT to report events to the input layer. This patch removes the hard
dependency by introducing a new CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV option.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Jean-Francois Moine <moinejf@free.fr>
main: Change the packet copy mechanism for userptr.
Cannot do reqbufs ioctl when already done and count != 0.
Accept count < frame size in read().
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Phase 3 of the compat cleanup.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Phase 2 removes support for kernels < 2.6.10.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
First phase of the backwards compatibility cleanup: stop supporting kernels
older than 2.6.0.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Jean-Francois Moine <moinejf@free.fr>
etoms: Do not declare the webcams declared by the driver et61x251.
sonixb, sonixj:
Do not declare the webcams declared by the driver sn9c102.
zc3xx: Do not declare the webcams declared by the driver zc0301.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Andoni Zubimendi <andoni.zubimendi@gmail.com>
Signed-off-by: Andoni Zubimendi <andoni.zubimendi@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Jean-Francois Moine <moinejf@free.fr>
spca508: Cleanup code.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
pac207: Set the sizeimage to the max value for 352x288.
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Jean-Francois Moine <moinejf@free.fr>
main: Parameter comp_fac removed.
main, pac207:
get_buff_size op removed.
(all) v4l2_pix_format in each subdriver.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
videodev2: New pixfmt
pac207: Remove the specific decoding.
main: get_buff_size operation added for the subdriver.
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Jean-Francois Moine <moinejf@free.fr>
spca561: Input buffer may be changed on reg write.
(all sd): Cleanup code, 'const' added.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Douglas Schilling Landgraf <dougsland@gmail.com>
Added ID vendor/product for Clone Digital Webcam 11043.
Thanks to Ivan Brasil Fuzzer <ivan@fuzzer.com.br> for testing and data collection.
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.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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From: Laurent Pinchart <laurent.pinchart@skynet.be>
The swap device might still be asleep, so memory allocated in the resume
handler must use GFP_NOIO. Thanks to Oliver Neukum for catching and reporting
this bug.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
Thanks to Oliver Neukum for catching and reporting this bug.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Andy Walls <awalls@radix.net>
Change the Yuan MPC718 cards entry to use the correct GPIO pin for resetting
the Xceive 3028 tuner. Thanks to Brian Hope <brian@hopefamily.info> for
taking the time and figuring out which pin to use.
Signed-off-by: Andy Walls <awalls@radix.net>
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From: Andy Walls <awalls@radix.net>
cx18: Add a missing reset recovery delay in cx18-i2c.c after
the final deassert.
Signed-off-by: Andy Walls <awalls@radix.net>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
The low (half) res modes of the spca561 are not spca561 compressed, but are
raw bayer, this patches fixes this and adds a PIX_FMT define for the GBRG
bayer format used by the spca561 in low res mode.
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Jean-Francois Moine <moinejf@free.fr>
Done for conex, etoms, pac7311, sonixj, t613 and tv8532.
Code cleanup for some other subdrivers.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
UVC makefile defines obj as:
obj-$(CONFIG_USB_VIDEO_CLASS) := uvcvideo.o
Instead of:
obj-$(CONFIG_USB_VIDEO_CLASS) += uvcvideo.o
Due to that, if uvc is selected, all obj-y or obj-m that were added to
compilation were forget. This breaks a proper kernel build.
CC: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Jean-Francois Moine <moinejf@free.fr>
main: Remove some vidioc_xx traces.
main: read() did not work (user irq instead of mmap irq).
main: Lack of v4l1 compat.
main: Process loop inside kernel when no frame arriving.
main: Double qbuf in read() when too many buffered frames.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
saa711x.c is no longer used. Remove.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Jean-Francois Moine <moinejf@free.fr>
main, etoms, mars, pac207, pac7311, sonixb, sonixj, spca500, spca505:
Cleanup source.
sunplus: Compilation error when VIDEO_ADV_DEBUG set.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Some callbacks were renamed. Fix it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Daniel Drake <dsd@laptop.org>
For VIDIOC_G_FMT/VIDIOC_TRY_FMT, the V4L2 API spec states:
"Drivers should not return an error code unless the input is ambiguous"
"Very simple, inflexible devices may even ignore all input and always
return the default parameters."
"When the requested buffer type is not supported drivers return an
EINVAL error code."
i.e. returning errors for unsupported fields is bad, and it's ok to
unconditionally overwrite user-requested settings
This patch makes ov7670 meet that behaviour, and brings it in line with
other drivers e.g. stk-webcam. It also fixes compatibility with (unpatched)
gstreamer.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Dean Anderson <dean@sensoray.com>
This patch fixes some coding style issues.
It also fixes a NULL de-reference on driver unload.
The permissions for the module parameters were changed to 0644.
Signed-off-by: Dean Anderson <dean@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Jean Delvare <khali@linux-fr.org>
This has been commented out for years, it's about time to get rid of
it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
The uvcvideo driver's uvc_v4l2_open() method is called from videodev's
video_open() function, which means it is called with the videodev_lock
mutex held. uvc_v4l2_open() then takes uvc_driver.open_mutex to check
dev->state and avoid racing against a device disconnect, which means
that open_mutex must nest inside videodev_lock.
However uvc_disconnect() takes the open_mutex around setting
dev->state and also around putting its device reference. However, if
uvc_disconnect() ends up dropping the last reference, it will call
uvc_delete(), which calls into the videodev code to unregister its
device, and this will end up taking videodev_lock. This opens a
(unlikely in practice) window for an AB-BA deadlock and also causes a
lockdep warning because of the lock misordering.
Fortunately there is no apparent reason to hold open_mutex when doing
kref_put() in uvc_disconnect(): if uvc_v4l2_open() runs before the
state is set to UVC_DEV_DISCONNECTED, then it will take another
reference to the device and kref_put() won't call uvc_delete; if
uvc_v4l2_open() runs after the state is set, it will run before
uvc_delete(), see the state, and return immediately -- uvc_delete()
does uvc_unregister_video() (and hence video_unregister_device(),
which is synchronized with videodev_lock) as its first thing, so there
is no risk of use-after-free in uvc_v4l2_open().
Bug diagnosed based on a lockdep warning reported by Romano Giannetti
<romano@dea.icai.upcomillas.es>.
Signed-off-by: Roland Dreier <roland@digitalvampire.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Andrew Morton <akpm@linux-foundation.org>
drivers/media/video/uvc/uvc_v4l2.c: In function `uvc_v4l2_mmap':
drivers/media/video/uvc/uvc_v4l2.c:1035: warning: 'buffer' might be used uninitialized in this function
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Andres Salomon <dilinger@queued.net>
Cortland Setlow pointed out a bug in ov7670.c where the result from
ov7670_read() was just being checked for !0, rather than <0. This
made me realize that ov7670_read's semantics were rather confusing;
it both fills in 'value' with the result, and returns it. This is
goes against general kernel convention; so rather than fixing callers,
let's fix the function.
This makes ov7670_read return <0 in the case of an error, and 0 upon
success. Thus, code like:
res = ov7670_read(...);
if (!res)
goto error;
..will work properly.
Signed-off-by: Cortland Setlow <csetlow@tower-research.com>
Signed-off-by: Andres Salomon <dilinger@debian.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
/home/v4l/master/v4l/gspca.c: In function 'gspca_frame_add':
/home/v4l/master/v4l/gspca.c:222: warning: format '%d' expects type 'int', but argument 2 has type 'long int'
/home/v4l/master/v4l/gspca.c: In function 'dev_read':
/home/v4l/master/v4l/gspca.c:1568: warning: format '%d' expects type 'int', but argument 2 has type 'size_t'
/home/v4l/master/v4l/gspca.c:1618: warning: format '%d' expects type 'int', but argument 3 has type 'size_t'
Acked-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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