diff mbox series

[v13,17/21] media: tvp5150: add subdev open/close callbacks

Message ID 20200312103156.3178-18-m.felsch@pengutronix.de (mailing list archive)
State New, archived
Headers show
Series TVP5150 Features and Fixes | expand

Commit Message

Marco Felsch March 12, 2020, 10:31 a.m. UTC 
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>
---
 drivers/media/i2c/tvp5150.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
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Patch

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 @@  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,
 };
 
 /****************************************************************************