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path: root/include/media/v4l2-async.h
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2017-06-06[media] v4l: Switch from V4L2 OF not V4L2 fwnode APISakari Ailus1-5/+0
Switch users of the v4l2_of_ APIs to the more generic v4l2_fwnode_ APIs. Async OF matching is replaced by fwnode matching and OF matching support is removed. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Benoit Parrot <bparrot@ti.com> # i2c/ov2569.c, am437x/am437x-vpfe.c and ti-vpe/cal.c Tested-by: Hans Verkuil <hans.verkuil@cisco.com> # Atmel sama5d3 board + ov2640 sensor Tested-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-06[media] v4l: async: Add fwnode match supportSakari Ailus1-0/+5
Add fwnode matching to complement OF node matching. And fwnode may also be an OF node. Do not enable fwnode matching yet. It will replace OF matching soon. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Hans Verkuil <hans.verkuil@cisco.com> Tested-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-23[media] v4l2-async: document the remaining stuffMauro Carvalho Chehab1-0/+39
There are one enum and 4 functions undocumented there. Document them. That will fix the broken links at the v4l2-subdev.rst file. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2015-08-22[media] Docbook: Fix comments at v4l2-async.hMauro Carvalho Chehab1-3/+5
Warning(.//include/media/v4l2-async.h:62): No description found for parameter 'match_type' Warning(.//include/media/v4l2-async.h:62): Excess struct/union/enum/typedef member 'bus_type' description in 'v4l2_async_subdev' Warning(.//include/media/v4l2-async.h:76): cannot understand function prototype: 'struct v4l2_async_notifier ' Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Acked-by: Jonathan Corbet <corbet@lwn.net>
2013-07-30[media] V4L: Merge struct v4l2_async_subdev_list with struct v4l2_subdevSylwester Nawrocki1-14/+1
By integrating the v4l2-async API internals a bit more with the core overall the v4l2-async code becomes a bit simpler and easier to follow. Acked-and-tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-07-30[media] V4L: Rename subdev field of struct v4l2_async_notifierSylwester Nawrocki1-2/+2
This is a purely cosmetic change. Since the 'subdev' member points to an array of subdevs make it more explicit by renaming to the plural form. Acked-and-tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-07-30[media] V4L: Add V4L2_ASYNC_MATCH_OF subdev matching typeSylwester Nawrocki1-0/+5
Add support for matching by device_node pointer. This allows the notifier user to simply pass a list of device_node pointers corresponding to sub-devices. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-07-30[media] V4L: Rename v4l2_async_bus_* to v4l2_async_match_*Sylwester Nawrocki1-6/+6
enum v4l2_async_bus_type also selects a method subdevs are matched in the notification handlers, rename it to v4l2_async_match_type so V4L2_ASYNC_MATCH_OF entry can be further added for matching by device tree node pointer. Acked-and-tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-06-21[media] V4L2: support asynchronous subdevice registrationGuennadi Liakhovetski1-0/+105
Currently bridge device drivers register devices for all subdevices synchronously, typically, during their probing. E.g. if an I2C CMOS sensor is attached to a video bridge device, the bridge driver will create an I2C device and wait for the respective I2C driver to probe. This makes linking of devices straight forward, but this approach cannot be used with intrinsically asynchronous and unordered device registration systems like the Flattened Device Tree. To support such systems this patch adds an asynchronous subdevice registration framework to V4L2. To use it respective (e.g. I2C) subdevice drivers must register themselves with the framework. A bridge driver on the other hand must register notification callbacks, that will be called upon various related events. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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