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These structures are all only stored in fields of v4l2_subdev_ops
structures, all of which are const, so these structures can be const
as well.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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The vimc platform drivers define a platform device ID table but these
are not set to the .id_table field in the platform driver structure.
So the platform device ID table is only used to fill the aliases in
the module but are not used for matching (works because the platform
subsystem fallbacks to the driver's name if no .id_table is set).
But this also means that the platform device ID table isn't used if
the driver is built-in, which leads to the following build warning:
This causes the following build warnings when the driver is built-in:
drivers/media/platform/vimc//vimc-capture.c:528:40: warning: ‘vimc_cap_driver_ids’ defined but not used [-Wunused-const-variable=]
static const struct platform_device_id vimc_cap_driver_ids[] = {
^~~~~~~~~~~~~~~~~~~
drivers/media/platform/vimc//vimc-debayer.c:588:40: warning: ‘vimc_deb_driver_ids’ defined but not used [-Wunused-const-variable=]
static const struct platform_device_id vimc_deb_driver_ids[] = {
^~~~~~~~~~~~~~~~~~~
drivers/media/platform/vimc//vimc-scaler.c:442:40: warning: ‘vimc_sca_driver_ids’ defined but not used [-Wunused-const-variable=]
static const struct platform_device_id vimc_sca_driver_ids[] = {
^~~~~~~~~~~~~~~~~~~
drivers/media/platform/vimc//vimc-sensor.c:376:40: warning: ‘vimc_sen_driver_ids’ defined but not used [-Wunused-const-variable=]
static const struct platform_device_id vimc_sen_driver_ids[] = {
^~~~~~~~~~~~~~~~~~~
Reported-by: Mauro Carvalho Chehab <[email protected]>
Suggested-by: Sakari Ailus <[email protected]>
Signed-off-by: Javier Martinez Canillas <[email protected]>
Reviewed-by: Helen Koike <[email protected]>
Acked-by: Sakari Ailus <[email protected]>
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Declare vimc_sen_video_ops as static, remove warning from sparse tool
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Implement scaler and integrated with the core
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Implement the debayer filter and integrate it with the core
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Change the core structure for adding subdevices in the topology.
Instead of calling the specific create function for each subdevice,
inject a child platform_device with the driver's name.
Each type of node in the topology (sensor, capture, debayer, scaler)
will register a platform_driver with the corresponding name through the
component subsystem.
Implementing a new subdevice type doesn't require vimc-core to be altered.
This facilitates future implementation of dynamic entities, where
hotpluging an entity in the topology is just a matter of
registering/unregistering a platform_device in the system.
It also facilitates other implementations of different nodes without
touching the core code and remove the need of a header file for each
type of node.
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Allow user space to change the image format as the frame size, the
pixel format, colorspace, quantization, field YCbCr encoding
and the transfer function
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Allow user space to change the image format as the frame size, the
media bus pixel format, colorspace, quantization, field YCbCr encoding
and the transfer function
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Colorimetry value will always be checked in the same way. Adding a
helper macro for that
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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All links will be checked in the same way. Adding a helper function for
that
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Move the vimc_cap_pipeline_s_stream from the vimc-cap.c to vimc-common.c
as this core will be reused by other subdevices to activate the stream
in their directly connected nodes
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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As all the subdevices in the topology will be initialized in the same
way, to avoid code repetition the vimc_ent_sd_{register, unregister}
helper functions were created
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Remove helper functions from vimc-core and add it in vimc-common to
clean up the core.
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Initialize the test pattern generator on the sensor
Generate a colored bar image instead of a grey one
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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First version of the Virtual Media Controller.
Add a simple version of the core of the driver, the capture and
sensor nodes in the topology, generating a grey image in a hardcoded
format.
Signed-off-by: Helen Koike <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
[[email protected]: fix small typo in Kconfig]
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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