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When the v4l2-async framework was introduced, the use case for it was to connect a camera sensor with a parallel receiver. Both tended to be rather simple devices with a single connection between them. The framework has been since improved in multiple ways but there are limitations that have remained, for instance the assumption an async sub-device is connected towards a single notifier and via a single link only. This patch enables connecting a sub-device to one or more notifiers simultaneously, with one or more connections per notifier. The notifier information is moved from the sub-device to the connection and the connections in sub-device are no longer a pointer but a linked list. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743 Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| tuner-core.c | ||
| v4l2-async.c | ||
| v4l2-common.c | ||
| v4l2-compat-ioctl32.c | ||
| v4l2-ctrls-api.c | ||
| v4l2-ctrls-core.c | ||
| v4l2-ctrls-defs.c | ||
| v4l2-ctrls-priv.h | ||
| v4l2-ctrls-request.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-priv.h | ||
| v4l2-subdev.c | ||
| v4l2-trace.c | ||
| v4l2-vp9.c | ||
| videobuf-core.c | ||
| videobuf-dma-contig.c | ||
| videobuf-dma-sg.c | ||
| videobuf-vmalloc.c | ||