Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-07 13:53:24 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

media: tvp5150: add subdev open/close callbacks

Browse Source 
Bring the device into a working state upon a open/close call. Currently
this involves only the interrupt enable/disable process but can be
extended in the future.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Marco Felsch 2020-03-12 11:31:52 +01:00 committed by Mauro Carvalho Chehab
parent e953c10300
commit 9c8e509863
1 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/media/i2c/tvp5150.c
View File

@ -1618,6 +1618,26 @@ static int tvp5150_registered(struct v4l2_subdev *sd)
return 0;
}
static int tvp5150_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
int ret;
ret = pm_runtime_get_sync(sd->dev);
if (ret < 0) {
pm_runtime_put_noidle(sd->dev);
return ret;
}
return 0;
}
static int tvp5150_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
pm_runtime_put(sd->dev);
return 0;
}
/* ----------------------------------------------------------------------- */
static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
@ -1675,6 +1695,8 @@ static const struct v4l2_subdev_ops tvp5150_ops = {
static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
.registered = tvp5150_registered,
.open = tvp5150_open,
.close = tvp5150_close,
};
/****************************************************************************