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media: v4l2-core: introduce a helper to unregister a spi subdev

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Introduce a new video4linux2 spi helper, to unregister a subdev.
This allows to get rid of some more ifdefs.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Ezequiel Garcia
2019-08-15 13:48:04 -03:00
committed by Mauro Carvalho Chehab
parent 02283b98b1
commit a9cff393c1
3 changed files with 19 additions and 12 deletions
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9
include/media/v4l2-common.h
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@@ -285,6 +285,13 @@ struct v4l2_subdev *v4l2_spi_new_subdev(struct v4l2_device *v4l2_dev,
void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
const struct v4l2_subdev_ops *ops);
/**
* v4l2_spi_subdev_unregister - Unregister a v4l2_subdev
*
* @sd: pointer to &struct v4l2_subdev
*/
void v4l2_spi_subdev_unregister(struct v4l2_subdev *sd);
#else
static inline struct v4l2_subdev *
@@ -299,6 +306,8 @@ v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
const struct v4l2_subdev_ops *ops)
{}
static inline void v4l2_spi_subdev_unregister(struct v4l2_subdev *sd)
{}
#endif
/* ------------------------------------------------------------------------- */