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Change au0828 to use Managed Media Controller API to share media device
and coordinate creating/deleting the shared media device with the
snd-usb-audio driver. The shared media device is created as device
resource of the parent usb device of the two drivers.
Populate media device model with USB Device product name instead of
au0828 device board name. This change is necessary because, if the media
device is registered by the snd-usb-audio driver first, and it doesn't
know the au0828 board name.
[mchehab@osg.samsung.com: Fix merge conflicts]
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Change s_input, s_fmt, s_tuner, s_frequency, querystd, s_hw_freq_seek,
and vb2_core_streamon interfaces that alter the tuner configuration to
check if it is free, by calling v4l_enable_media_source().
If source isn't free, return -EBUSY.
v4l_disable_media_source() is called from v4l2_fh_exit() to release
tuner (source).
vb2_core_streamon() uses v4l_vb2q_enable_media_source().
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Change au0828-core to use au8522_media_pads enum defines
instead of hard-coding the pad values.
[mchehab@osg.samsung.com: patch rebased, as the code was
moved to au0828-video.c. Also added AU8522_PAD_INPUT to the list
of pad number replacements]
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add new pad for ALSA Audio Out to au8522_media_pads.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Move the au8522_media_pads enum to au8522.h from au8522_priv.h to export
them. This will allow au0828-core to use these defines instead of
hard-coding them them.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add a new interfaces to be used by v4l-core to invoke enable
source and disable_source handlers in the media_device. The
enable_source helper function invokes the enable_source handler
to find media source entity connected to the entity and check
is it is available or busy. If source is available, link is
activated and pipeline is started. The disable_source helper
function invokes the disable_source handler to deactivate and
stop the pipeline.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add non-locking __media_entity_pipeline_start/stop()
interfaces to be called from code paths that hold the
graph_mutex.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Export __media_entity_setup_link() to be used from code paths
that hold the graph_mutex.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add new interfaces to register and unregister entity_notify
hook to media device. These interfaces allow drivers to add
hooks to take appropriate actions when new entities get added
to a shared media device. For example, au0828 bridge driver
registers an entity_notify hook to create links as needed
between media graph nodes.
[mchehab@osg.samsung.com: simple comments should be /* and not /**]
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Declare the interface types to be used on alsa for
the new G_TOPOLOGY ioctl.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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smatch complains about non-ascii characters. It turns out that a wide-dash character
was used instead of the more common '-' character.
Replace those dashes with -.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Cleanup this bogus smatch warning:
drivers/media/pci/ttpci/budget.c:635 frontend_init() warn: missing break? reassigning 'budget->dvb_frontend'
And document the fall through logic at the switch().
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Remove this bogus smatch warning:
drivers/media/pci/ttpci/av7110.c:2211 frontend_init() warn: missing break? reassigning 'av7110->fe'
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Fixes this smatch warning:
drivers/media/dvb-frontends/drx39xyj/drxj.c:4151 drxj_dap_scu_atomic_read_write_block() error: buffer overflow 'set_param_parameters' 15 <= 17
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Both dib9000_read16_attr and dib9000_write16_attr can return an
error code. However, they currently return an u16. This produces the
following warnings on smatch:
drivers/media/dvb-frontends/dib9000.c:262 dib9000_read16_attr() warn: signedness bug returning '(-121)'
drivers/media/dvb-frontends/dib9000.c:321 dib9000_write16_attr() warn: signedness bug returning '(-22)'
drivers/media/dvb-frontends/dib9000.c:353 dib9000_write16_attr() warn: signedness bug returning '(-121)'
Reviewed-by: Michael Ira Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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ivtv_flush_queues() calls ivtv_queue_move() with steal == NULL.
However, part of the code assumes that steal could be not null, as
pointed by smatch:
drivers/media/pci/ivtv/ivtv-queue.c:145 ivtv_queue_move() error: we previously assumed 'steal' could be null (see line 138)
This has the potential of causing an OOPS when the queue is
flushed.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Fix the following smatch warnings:
drivers/media/dvb-frontends/stv0900_core.c:1183 stv0900_get_optim_carr_loop() error: buffer overflow 'cllas2' 11 <= 13
drivers/media/dvb-frontends/stv0900_core.c:1185 stv0900_get_optim_carr_loop() error: buffer overflow 'cllas2' 11 <= 13
drivers/media/dvb-frontends/stv0900_core.c:1187 stv0900_get_optim_carr_loop() error: buffer overflow 'cllas2' 11 <= 13
drivers/media/dvb-frontends/stv0900_core.c:1189 stv0900_get_optim_carr_loop() error: buffer overflow 'cllas2' 11 <= 13
drivers/media/dvb-frontends/stv0900_core.c:1191 stv0900_get_optim_carr_loop() error: buffer overflow 'cllas2' 11 <= 13
Reviewed-by: Michael Ira Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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That fixes the following smatch warning:
drivers/media/usb/pvrusb2/pvrusb2-hdw.c:4909 pvr2_hdw_state_log_state() error: buffer overflow 'buf' 256 <= 4294967294
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The buffer_complete() routine assumes that sp is not NULL,
otherwise it will fail completely. Btw, this is also
assumed at pvr2_buffer_queue(), with is the routine that
setups the URB handling.
So, remove the bogus for the callback at buffer_complete.
This fix this smatch warning:
drivers/media/usb/pvrusb2/pvrusb2-io.c:476 buffer_complete() warn: variable dereferenced before check 'sp' (see line 472)
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Right now, media_device_pci_init and media_device_usb_init does
media_device allocation internaly. That preents its usage when
the media_device struct is embedded on some other structure.
Move memory allocation outside it, to make it more generic.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Those ancillary functions could be called even when compiled
without V4L2 support, as warned by ktest build robot:
All errors (new ones prefixed by >>):
>> ERROR: "__v4l2_mc_usb_media_device_init" [drivers/media/usb/dvb-usb/dvb-usb.ko] undefined!
>> ERROR: "__v4l2_mc_usb_media_device_init" [drivers/media/usb/dvb-usb-v2/dvb_usb_v2.ko] undefined!
>> ERROR: "__v4l2_mc_usb_media_device_init" [drivers/media/usb/au0828/au0828.ko] undefined!
Also, there's nothing there that are specific to V4L2. So, move
those ancillary functions to MC core.
No functional changes. Just function rename.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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As reported ctx->sensor is being dereferenced before being checked
in cal_get_external_info(). That being the case it was also checked
twice in multiple other location where v4l2_subdev_call is already
checking it so no need to explicitly check it again.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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As reported, the current cal_enum_frameintervals() is confusing
and does not have the intended behavior.
Fix this by re-implementing to properly propagate the enum_frame_interval
request to the subdevice.
[mchehab@osg.samsung.com: remove a now bogus "ret = 0" statement]
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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As warned by smatch:
drivers/media/dvb-frontends/dib0090.c:1118 dib0090_pwm_gain_reset() error: we previously assumed 'state->rf_ramp' could be null (see line 1086)
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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As warned by smatch:
drivers/media/pci/saa7134/saa7134-core.c:840 saa7134_create_entities() info: ignoring unreachable code.
drivers/media/pci/saa7134/saa7134-core.c:843 saa7134_create_entities() warn: curly braces intended?
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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drivers/media/i2c/tvp5150.c:1394 tvp5150_parse_dt() warn: buffer overflow 'decoder->input_ent' 3 <= 3
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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It should be a bitwise or, and not a logical one. Also, add
parenthesis, to make sure it will be applied in the right order.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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smatch complains about:
drivers/media/tuners/xc4000.c:1511 xc4000_get_signal() warn: '~value << 3' 524280 can't fit into 65535 'value'
Remove the bogus complain.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The allocation takes place in longs. Assign the size of the enum
accordingly.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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drivers/media/platform/vsp1/vsp1_drm.c:47:5: warning: no previous prototype for 'vsp1_du_init' [-Wmissing-prototypes]
int vsp1_du_init(struct device *dev)
^
drivers/media/platform/vsp1/vsp1_drm.c:76:5: warning: no previous prototype for 'vsp1_du_setup_lif' [-Wmissing-prototypes]
int vsp1_du_setup_lif(struct device *dev, unsigned int width,
^
drivers/media/platform/vsp1/vsp1_drm.c:221:6: warning: no previous prototype for 'vsp1_du_atomic_begin' [-Wmissing-prototypes]
void vsp1_du_atomic_begin(struct device *dev)
^
drivers/media/platform/vsp1/vsp1_drm.c:273:5: warning: no previous prototype for 'vsp1_du_atomic_update' [-Wmissing-prototypes]
int vsp1_du_atomic_update(struct device *dev, unsigned int rpf_index,
^
drivers/media/platform/vsp1/vsp1_drm.c:451:6: warning: no previous prototype for 'vsp1_du_atomic_flush' [-Wmissing-prototypes]
void vsp1_du_atomic_flush(struct device *dev)
^
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The IP version number carries enough information to identify the exact
device instance features. Drop the related DT properties and use the IP
version instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Display lists contain lists of registers and associated values to be
applied atomically by the hardware. They lower the pressure on interrupt
processing delays when reprogramming the device as settings can be
prepared well in advance and queued to the hardware without waiting for
the end of the current frame.
Display list support is currently limited to the DRM pipeline.
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add DT compatible strings for the VSP2 instances found in the R-Car Gen3
SoCs and support them in the vsp1 driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add two API functions named vsp1_du_atomic_begin() and
vsp1_du_atomic_flush() to signal the start and end of an atomic update.
The vsp1_du_setup_rpf() function is renamed to vsp1_du_atomic_update()
for consistency.
With this new API, the driver will reprogram all modified inputs
atomically before restarting the video stream.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Implement internal control of the VSP pipeline to be used by the DU
DRM/KMS driver when using the VSP as an internal composer handled
through DRM/KMS only.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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As the pipeline is configured internally by the driver when the
userspace API is disabled its configuration can be trusted and link
validation isn't needed.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The RPF and WPF alpha values are set through V4L2 controls and applied
when starting the video stream by a call to v4l2_ctrl_handler_setup().
As that function uses the control handler mutex it can't be called in
interrupt context, where the VSP+DU pipeline handler might need to
reconfigure the pipeline.
Set the alpha value manually in the RPF and WPF s_stream handler to
ensure that the hardware is properly configured even when controlled
without the userspace API. If the userspace API is enabled protect that
with the control lock to avoid race conditions with userspace.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The pipeline inputs array stores pointers to all RPFs contained in the
pipeline. It's currently indexed contiguously by adding RPFs in the
order they are found during graph walk. This can't easily support
dynamic addition and removal of RPFs while streaming, which will be
required for combined VSP+DU support.
Make the array indexed by RPF index instead and skip NULL elements when
iterating over RPFs.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The R-Car Gen3 SoCs include VSP instances dedicated to the DU that will
be controlled entirely by the rcar-du-drm driver through the KMS API. To
support that use case make the userspace V4L2 API optional.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Format information and the related helper function are not specific to
the V4L2 API, move them from vsp1_video.c to vsp1_pipe.c.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Not all VSP instances have a BRU on R-Car Gen3, make it optional. Set
the feature unconditionally for now, this will be fixed when adding Gen3
support.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The R-Car Gen3 family has 5-inputs BRUs, support them by making the
number of BRU inputs configurable.
As the driver assumes that the number of BRU inputs is equal to the
number of RPFs, replace the BRU_MAX_INPUTS macro with VSP1_MAX_RPF to
make the assumption apparent.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The function will be used by the DU code, move it out of vsp1_video.c.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Several module read functions are not used, remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Commit 58f896d859ce ("[media] v4l: vsp1: sru: Make the intensity
controllable during streaming") refactored the stream start code and
removed the SRU CTRL0 register write by mistake. Add it back.
Fixes: 58f896d859ce ("[media] v4l: vsp1: sru: Make the intensity controllable during streaming")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Rename the VI6_DISP_IRQ_STA_DSE register bit to VI6_DISP_IRQ_STA_DST to
fix a typo and match the datasheet.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Link creation will be handled differently for the DU pipeline.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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No need to waste CPU cycles when the value we need is already available.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Shuah Khan
Hans Verkuil
Mauro Carvalho Chehab
Benoit Parrot
Sakari Ailus
Laurent Pinchart
Takashi Saito