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8fd390b89c
Currently, v4l2_pipeline_pm_use() prototype is: int v4l2_pipeline_pm_use(struct media_entity *entity, int use) Where the 'use' argument shall only be set to '1' for enable/power-on, or to '0' for disable/power-off. The integer return is specified as only meaningful when 'use' is set to '1'. Let's enforce this semantic by splitting the function in two: v4l2_pipeline_pm_get and v4l2_pipeline_pm_put. This is done for several reasons. It makes the API easier to use (or harder to misuse). It removes the constraint on the values the 'use' argument shall take. Also, it removes the need to constraint the return value, by making v4l2_pipeline_pm_put void return. And last, it's more consistent with other kernel APIs, such as the runtime pm APIs, which makes the code more symmetric. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
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| .. | ||
| cec-drivers | ||
| dvb-drivers | ||
| kapi | ||
| uapi | ||
| v4l-drivers | ||
| .gitignore | ||
| audio.h.rst.exceptions | ||
| ca.h.rst.exceptions | ||
| cec.h.rst.exceptions | ||
| conf_nitpick.py | ||
| dmx.h.rst.exceptions | ||
| frontend.h.rst.exceptions | ||
| index.rst | ||
| intro.rst | ||
| lirc.h.rst.exceptions | ||
| Makefile | ||
| media_kapi.rst | ||
| media_uapi.rst | ||
| media.h.rst.exceptions | ||
| net.h.rst.exceptions | ||
| typical_media_device.svg | ||
| video.h.rst.exceptions | ||
| videodev2.h.rst.exceptions | ||
