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authorJacopo Mondi <jacopo@jmondi.org>2019-06-12 17:30:21 +0200
committerJacopo Mondi <jacopo@jmondi.org>2019-06-25 14:01:35 +0200
commit030ce6491ed3d4c827a6ef4aa5c7e706867ded7b (patch)
tree247906891903410e3ec587329b330e27d4721700 /utils
parentbab8b01895bbbd2fd96af635cdfa8d62ae2d0e5f (diff)
libcamera: v4l2_device: List valid controls at open
Enumerate all the valid controls a device supports at open() time. A control is valid only if its type is supported. Store the control information in a map inside the device to save querying the control when setting or getting its value from the device and provide an operation to retrieve information by control ID. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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