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Group together operations to enumerate formats and operations to handle
memory handling, alternating public and private operations but
respecting the ordering within each group. Cosmetic change only.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Now that we have V4L2Device and V4L2VideoDevice update the documentation
of the latter to use "video device" every time the term "device" was
used in the V4L2 context.
While at it clean up by removing a stale todo entry.
Documentation only change, no functional changes intended.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The V4L2 devices and subdevices share a few common operations,like
opening and closing a device node, and perform IOCTLs on the device.
With the forthcoming introduction of support for V4L2 controls, the
quantity of shared code will increase, as the control support
implementation is identical for the two derived classes.
To maximize code re-use and avoid duplications, provide a V4L2Device
base class which groups the common operations and members.
The newly introduced base class provides methods to open/close a device
node, access the file descriptor, and perform IOCTLs on the device.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In preparation of creating a new V4L2Device base class, rename
V4L2Device to V4L2VideoDevice.
This is a project wide rename without any intended functional change.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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