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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-10-03 19:40:26 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-10-04 17:58:00 +0300
commitca33225ceb4c7b414eb1a8579af14c2c06f1f4ea (patch)
treeb5d740407b45f7654e51329a0e90824f48ba0288 /LICENSES/GPL-2.0+.txt
parent2cc5654633c3a1c61f6899226c533308af858703 (diff)
libcamera: v4l2_device: List controls when setting file descriptor
The base V4L2Device class is bound to a video device node by either open(), which opens the device node and creates a new file descriptor, or setFd(), which takes an already open file descriptor. The former populates the V4L2Device instance controls, while the latter doesn't. This prevents using controls on V4L2 M2M devices. Fix it by populating controls in setFd(), which is called by open(). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
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