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A sub-device device node can be registered in user space only if the CONFIG_VIDEO_V4L2_SUBDEV_API Kconfig option is selected. Currently the open/close file operations and the ioctl handler have some parts of their implementations guarded by #if defined(CONFIG_VIDEO_V4L2_SUBDEV_API), while they are actually not accessible without a video device node registered to user space. Guard the whole open, close and ioctl handler and provide stubs if the VIDEO_V4L2_SUBDEV_API Kconfig option is not selected. This slightly reduces the kernel size when the option is not selected and simplifies the file ops and ioctl implementations. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| tuner-core.c | ||
| v4l2-async.c | ||
| v4l2-clk.c | ||
| v4l2-common.c | ||
| v4l2-compat-ioctl32.c | ||
| v4l2-ctrls.c | ||
| v4l2-dev.c | ||
| v4l2-device.c | ||
| v4l2-dv-timings.c | ||
| v4l2-event.c | ||
| v4l2-fh.c | ||
| v4l2-flash-led-class.c | ||
| v4l2-fwnode.c | ||
| v4l2-h264.c | ||
| v4l2-i2c.c | ||
| v4l2-ioctl.c | ||
| v4l2-jpeg.c | ||
| v4l2-mc.c | ||
| v4l2-mem2mem.c | ||
| v4l2-spi.c | ||
| v4l2-subdev.c | ||
| v4l2-trace.c | ||
| videobuf-core.c | ||
| videobuf-dma-contig.c | ||
| videobuf-dma-sg.c | ||
| videobuf-vmalloc.c | ||