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authorMarco Felsch <m.felsch@pengutronix.de>2020-03-12 11:31:52 +0100
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-03-12 16:40:51 +0100
commit9c8e509863287383363e01d7eaae1086b2b411d8 (patch)
tree56bb9f9c666bc42583f1c7eb5f3703e5d73b07cb /drivers/media/i2c/tvp5150.c
parentmedia: tvp5150: add v4l2-event support (diff)
downloadlinux-9c8e509863287383363e01d7eaae1086b2b411d8.tar.xz
linux-9c8e509863287383363e01d7eaae1086b2b411d8.zip
media: tvp5150: add subdev open/close callbacks
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>
Diffstat (limited to 'drivers/media/i2c/tvp5150.c')
-rw-r--r--drivers/media/i2c/tvp5150.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index d59b52775334..f28739d5830c 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -1618,6 +1618,26 @@ err:
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,
};
/****************************************************************************