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buf[] is a 4 character array. Perhaps this was some debugging code from
back in the day?
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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include of version.h
The output of "make versioncheck" told us that the file
drivers/media/dvb/ddbridge/ddbridge-code.c has a incorrect include of
version.h:
linux/drivers/media/dvb/ddbridge/ddbridge-core.c: 34 linux/version.h not
needed.
After take a look in the code, we can agree to remove it.
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: <linux-media@vger.kernel.org>
Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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version.h
The output of "make versioncheck" told us that:
drivers/media/radio/radio-keene.c: 31 linux/version.h not needed.
After take a look in the code, we can agree to remove it.
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: <linux-media@vger.kernel.org>
Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The output of "make versioncheck" told us that:
drivers/media/video/adp1653.c: 37 linux/version.h not needed.
After we take a look at the code, we can afree to remove it.
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: <linux-media@vger.kernel.org>
Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As reported by Marcos:
> The output of "make versioncheck" told us that:
>
> drivers/staging/media/easycap/easycap_ioctl.c: 2442: need linux/version.h
Now that drivers/media/video/v4l2-ioctl.c fills cap->version:
case VIDIOC_QUERYCAP:
{
struct v4l2_capability *cap = (struct v4l2_capability *)arg;
if (!ops->vidioc_querycap)
break;
cap->version = LINUX_VERSION_CODE;
V4L2 drivers that use video_ioctl2() shouldn't initialize it anymore.
Reported-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As reported by Marcos:
On 04-18-2012 01:30, Marcos Paulo de Souza wrote:
> The output of "make versioncheck" told us that:
>
> drivers/media/video/tlg2300/pd-video.c: 1669: need linux/version.h
>
> If we take a look at the code, we can see that this file uses the macro
> KERNEL_VERSION.
The V4L2 core now fills it automatically, so drivers shouldn't touch on
cap->version anymore.
Reported by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Reported working here:
http://ubuntuforums.org/archive/index.php/t-1510188.html
http://ubuntuforums.org/archive/index.php/t-1756828.html
https://sites.google.com/site/slackwarestuff/home/elgato-eyetv
Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Cc: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Remove duplicate code and comment, probably due to a patch applied twice.
Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This function is only called from within au8522_common.c - mark it static.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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au8522_dig.o and au8522_decoder.o function independentantly
of each other, each for a different hardware function using
a different software subsystem api, each with its own set
of subsystem module dependencies.
Since these drivers do not depend on each other, and it is
in fact possible to build hardware designs using one function
and not the other, lets split this module into two, allowing
system integrators to enable the hardware without dragging in
undesired dependencies.
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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We can tell from the eeprom whether we have a xc5000a or xc5000c.
Attach the correct tuner based on this information.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Rather than loading firmware specific for the xtal frequency, just use
the standard firmware and set the xtal frequency after firmware upload.
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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* tag 'v3.4-rc3': (3755 commits)
Linux 3.4-rc3
x86-32: fix up strncpy_from_user() sign error
ARM: 7386/1: jump_label: fixup for rename to static_key
ARM: 7384/1: ThumbEE: Disable userspace TEEHBR access for !CONFIG_ARM_THUMBEE
ARM: 7382/1: mm: truncate memory banks to fit in 4GB space for classic MMU
ARM: 7359/2: smp_twd: Only wait for reprogramming on active cpus
PCI: Fix regression in pci_restore_state(), v3
SCSI: Fix error handling when no ULD is attached
ARM: OMAP: clock: cleanup CPUfreq leftovers, fix build errors
ARM: dts: remove blank interrupt-parent properties
ARM: EXYNOS: Fix Kconfig dependencies for device tree enabled machine files
do not export kernel's NULL #define to userspace
ARM: EXYNOS: Remove broken config values for touchscren for NURI board
ARM: EXYNOS: set fix xusbxti clock for NURI and Universal210 boards
ARM: EXYNOS: fix regulator name for NURI board
ARM: SAMSUNG: make SAMSUNG_PM_DEBUG select DEBUG_LL
cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUS
sparc64: Eliminate obsolete __handle_softirq() function
sparc64: Fix bootup crash on sun4v.
ARM: msm: Fix section mismatches in proc_comm.c
...
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`clipcount' is from userspace and thus needs validation. Otherwise,
a large `clipcount' could overflow the vmalloc() size, leading to
out-of-bounds access.
| setup_window()
| zoran_s_fmt_vid_overlay()
| __video_do_ioctl()
| video_ioctl2()
Use 2048 as the maximum `clipcount'. Also change the corresponding
parameter type to `unsigned int'.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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release_firmware() tests for NULL pointers on its own - there's no
reason to do an explicit check before calling the function.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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A large cs->count from userspace may overflow the allocation size,
leading to memory corruption. try_set_ext_ctrls() can be reached
from subdev_do_ioctl() or __video_do_ioctl().
Use kmalloc_array() to avoid the overflow.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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A large cs->count from userspace may overflow the allocation size,
leading to memory corruption. v4l2_g_ext_ctrls() can be reached
from subdev_do_ioctl() or __video_do_ioctl().
Use kmalloc_array() to avoid the overflow.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- dvb core: there is a regression found when used with xine. For
whatever unknown reason, xine (and xine-lib clients) wants that the
frontend to tell what frequency he is using even before the PLL lock
(or at least, it expects a non-zero frequency).
On DVB, the frequency is only actually known after a frequency
zig-zag seek, done by the DVB core. Anyway, the fix was trivial.
That solves Fedora BZ#808871.
- ivtv: fix a regression when selecting the language channel
- uvc: fix a race-related crash
- it913x: fixes firmware loading
- two trivial patches (a dependency issue at a radio driver at sound
Kconfig, and a warning fix on dvb).
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] uvcvideo: Fix race-related crash in uvc_video_clock_update()
[media] Drivers/media/radio: Fix build error
[media] dvb_frontend: fix compiler warning
[media] it913x: fix firmware loading errors
[media] ivtv: Fix AUDIO_(BILINGUAL_)CHANNEL_SELECT regression
[media] dvb_frontend: regression fix: userspace ABI broken for xine
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The default_value for the Bt878 V4L2_CID_CONTRAST control is currently
set to 32768. Internally this gets translated to an analog input
circuit gain of 1.19. However, the default gain should be 1.0. This
patch alters the default value to 27648 which corresponds to a gain of
1.0. It also alters the probe routine so that the correct value is
written on board initialisation.
[mchehab@redhat.com: behavior confirmed via Fusion 878a datasheet]
Signed-off-by: Alan McIvor <alan.mcivor@reveal.co.nz>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add support for another Medion X10 remote. This was apparently
originally used with the Medion Digitainer box, but is now sold
separately without any Digitainer labeling.
A peculiarity of this remote is a scrollwheel in place of up/down
buttons. Each direction is mapped to 8 different scancodes, each
corresponding to 1..8 notches, allowing multiple notches to the same
direction to be transmitted in a single scancode. The driver transforms
the multi-notch scancodes to multiple events of the single-notch
scancode.
(0x70..0x77 = 1..8 notches down, 0x78..0x7f = 1..8 notches up)
Since the scrollwheel scancodes are the same that are used for mouse on
some other X10 (ati_remote) remotes, the driver will now check whether
the active keymap has a keycode defined for the single-notch scancode
when a mouse/scrollwheel scancode (0x70..0x7f) is received. If set,
scrollwheel is assumed, otherwise mouse is assumed.
This remote ships with a different receiver than the already supported
Medion X10 remote, but they share the same USB ID. The only difference
in the USB descriptors is that the Digitainer receiver has the Remote
Wakeup bit set in bmAttributes of the Configuration Descriptor.
Therefore that is used to select the default keymap.
Thanks to Stephan Raue from OpenELEC (www.openelec.tv) for providing me
both a Medion X10 Digitainer remote+receiver and an already supported
Medion X10 remote+receiver. Thanks to Martin Beyss for providing some
useful information about the remote (including the "Digitainer" name).
This patch has been tested by both of them and myself.
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Tested-by: Stephan Raue <stephan@openelec.tv>
Tested-by: Martin Beyss <Martin.Beyss@rwth-aachen.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Currently the ati_remote default keymap is selected directly based on
the USB device id.
Add support for instead specifying a function returning the default
keymap, allowing more complex selection logic to be added when needed.
This will be used for Medion X10 remotes in a following commit.
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As long as there is no other non-const variable marked __initdata in the
same compilation unit it doesn't hurt. If there were one however
compilation would fail with
error: $variablename causes a section type conflict
because a section containing const variables is marked read only and so
cannot contain non-const variables.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Tomasz Stanislawski <t.stanislaws@samsung.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-media@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch contains code change only to remove redundant
code to set priv->crop_rect.width/height in probe function.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Acked-by: Chris Lalancette <clalancette@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
[mchehab@redhat.com: Changed the default to follow the em28xx selection]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This functions are no longer used from another file,
so they should be declared as static.
Also is it necessary to move some of them before they
are used, since they are no longer header-declared.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This function is only used in em28xx-input.c so it
makes no sense to have it anywhere but in em28xx-input.c.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Moving this helps isolating em28xx_input and will help
converting it into a separate module.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Those functions will be needed by em28xx-input module, to be
added on the next patches.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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dev->ctl_input() is always set before a call to video_mux(),
but then video_mux() sets it again with the same value.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add PnP support to radio-gemtek for AOpen FX-3D/Pro Radio card
(AD1816 + Gemtek radio).
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add PnP support to the new ISA radio framework.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Get rid of several unused parameters in struct em28xx_usb_isoc_ctl.
Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Stop the URBs in em28xx_stop_streaming(), so that em28xx_irq_callback()
cannot be called after the streaming has stopped.
This should eliminate the crashes reported by Antti Palosaari and the warnings
reported by Andy Furniss.
Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: linux-media@vger.kernel.org
Cc: devel@driverdev.osuosl.org
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: "Arve Hjønnevåg" <arve@android.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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copy_in_user() already checks for write permission, so we don't need to
do it here. This was added in 1a5e4c867c "[media] uvcvideo: Implement
compat_ioctl32 for custom ioctls".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch removes BUG_ON in ir_raw_event_thread which IMO is a
over-kill, and this kills the ir_raw_event_thread too. With a bit of
additional logic in this patch, we nomore need to kill this thread.
Other disadvantage of having a BUG-ON is,
wake_up_process(dev->raw->thread) called on dead thread via
ir_raw_event_handle will result in total lockup in SMP system.
Advantage of this patch is ir-raw event thread is left in a usable state
even if the fifo does not have enough bytes.
This patch sets the thread into TASK_INTERRUPTIBLE if raw-fifo has less
then sizeof(struct ir_raw_event) bytes.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Userptr can be very useful if this device
is requested to use video buffers allocated
by another processing device. So that
buffers don't need to be copied.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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In this driver there are several entities associated with separate
platform or I2C client devices, which may get probed in random order.
When the platform device bound to the media device driver is probed
all other entity drivers need to be already in place and initialized.
If any of them is not, fail the media device probe and return an error
indicating we need to be retried once any new driver gets registered.
The media device driver probe will not succeed until there are available
all needed sub-drivers, as specified in the platform data.
While at it, make sure the s5p-csis module (MIPI-CSI receiver driver)
does not get unloaded when in use, by guarding its usage with
try_module_get/module_put.
This patch is a prerequisite for adding the device tree support.
It now also allows again to unbind/bind the driver at runtime from
user space via sysfs.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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irq is used only locally and num_clocks is constant, so remove them.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Remove redundant H/W setup logic by merging fimc_prepare_config()
and the device_run() callback.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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spinlock
Access to the memory-to-memory video node is serialized through a
mutex so now there is no point in having per device context structure
spinlock.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch prevents blocking on DQBUF at a video capture node in some
conditions, after STREAOMOFF/STREAMON sequence. The ST_CAPT_SUSPEND
flag should not be set during normal stream off, otherwise the
capture engine is not properly enabled at stream on.
Reported-by: Bernard Debbasch <b.debbasch@ssi.samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The MIPI-CSI2 data alignment parameter can be derived from media bus
pixel code, so it can be now dropped from the platform data structure.
This is a prerequisite for adding the device tree support. Once this
patch is merged the corresponding fields will be removed from the
drivers' public headers and corresponding board files.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fall back to s_selection if s_crop isn't implemented by a driver. Same for
g_selection / g_crop.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add support for VIDIOC_SUBDEV_S_SELECTION and VIDIOC_SUBDEV_G_SELECTION
IOCTLs. They replace functionality provided by VIDIOC_SUBDEV_S_CROP and
VIDIOC_SUBDEV_G_CROP IOCTLs and also add new functionality (composing).
VIDIOC_SUBDEV_G_CROP and VIDIOC_SUBDEV_S_CROP continue to be supported.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add an integer menu test control for the vivi driver.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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