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The vivid driver currently has a hard-coded limit of 64 devices,
however there's nothing that prevents the creation of even more devices.
This commit adds a new driver option (which defaults to 64) to
allow this maximum number to be configurable.
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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When the diver is removed and all the resources are deallocated,
we should be iterating through the created devices only.
Currently, the iteration ends when vivid_devs[i] is NULL. Since
the array contains VIVID_MAX_DEVS elements, it will oops if
n_devs=VIVID_MAX_DEVS because in that case, no element is NULL.
Fixes: c88a96b023d8 ('[media] vivid: add core driver code')
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add complex unsigned 8-bit sample format for SDR capture.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Add a log_status function to the test pattern generator and use that
in vivid. This simplifies debugging complex colorspace problems.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Use the release callback of the v4l2_device to clean up the memory.
This prevents vivid from breaking if someone tries to unbind the
driver.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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This turns this driver into a platform device. This ensures that it
appears in /sys/bus/platform_device since it now has a proper parent
device.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Now that vb2 supports DMABUF export for dma-sg and vmalloc memory
modes, we can enable the vb2_expbuf support in vivid.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The default used to be that the first vivid device instance was
single planar, the second multi planar, the third single planar, etc.
However, that turned out to be unexpected and awkward. Change the
driver to always default to single planar.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Fix kbuild test robot warnings about missing vmalloc.h and string.h
includes.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Removes the following warnings:
drivers/media/platform/vivid/vivid-core.c:581:2: warning: initialized field overwritten [-Woverride-init]
.vidioc_overlay = vidioc_overlay,
^
drivers/media/platform/vivid/vivid-core.c:581:2: warning: (near initialization for 'vivid_ioctl_ops.vidioc_overlay') [-Woverride-init]
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This is the core driver code that creates all the driver instances
and all the configured devices.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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