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media: v4l2-async: better describe match union at async match struct 

Now that kernel-doc handles nested unions, better document the
match union at struct v4l2_async_subdev.

Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2017-09-27 11:43:00 -04:00
parent 4e48afecd5
commit eb0f73ba12
1 changed files with 25 additions and 0 deletions
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25
include/media/v4l2-async.h
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@ -48,6 +48,31 @@ enum v4l2_async_match_type {
*
* @match_type: type of match that will be used
* @match: union of per-bus type matching data sets
* @match.fwnode:
* pointer to &struct fwnode_handle to be matched.
* Used if @match_type is %V4L2_ASYNC_MATCH_FWNODE.
* @match.device_name:
* string containing the device name to be matched.
* Used if @match_type is %V4L2_ASYNC_MATCH_DEVNAME.
* @match.i2c: embedded struct with I2C parameters to be matched.
* Both @match.i2c.adapter_id and @match.i2c.address
* should be matched.
* Used if @match_type is %V4L2_ASYNC_MATCH_I2C.
* @match.i2c.adapter_id:
* I2C adapter ID to be matched.
* Used if @match_type is %V4L2_ASYNC_MATCH_I2C.
* @match.i2c.address:
* I2C address to be matched.
* Used if @match_type is %V4L2_ASYNC_MATCH_I2C.
* @match.custom:
* Driver-specific match criteria.
* Used if @match_type is %V4L2_ASYNC_MATCH_CUSTOM.
* @match.custom.match:
* Driver-specific match function to be used if
* %V4L2_ASYNC_MATCH_CUSTOM.
* @match.custom.priv:
* Driver-specific private struct with match parameters
* to be used if %V4L2_ASYNC_MATCH_CUSTOM.
* @list: used to link struct v4l2_async_subdev objects, waiting to be
* probed, to a notifier->waiting list
*