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7e6a682107
Compound controls are controls that can be used for compound and array types. This allows for more compound data structures to be used with the control framework. The existing V4L2_CTRL_FLAG_NEXT_CTRL flag will only enumerate non-compound controls, so a new V4L2_CTRL_FLAG_NEXT_COMPOUND flag is added to enumerate compound controls. Set both flags to enumerate any control (compound or not). Compound control types will start at V4L2_CTRL_COMPOUND_TYPES. In addition, any control that uses the new 'ptr' field or the existing 'string' field will have flag V4L2_CTRL_FLAG_HAS_PAYLOAD set. While not strictly necessary, adding that flag makes life for applications a lot simpler. If the flag is not set, then the control value is set through the value or value64 fields of struct v4l2_ext_control, otherwise a pointer points to the value. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com> |
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| asm-generic | ||
| drm | ||
| linux | ||
| mtd | ||
| rdma | ||
| scsi | ||
| sound | ||
| video | ||
| xen | ||
| Kbuild | ||