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Subject: media: i2c: ov08d10: Drop system suspend and resume handlers
Author: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Date: Thu Sep 14 21:16:56 2023 +0300
Stopping streaming on a camera pipeline at system suspend time, and
restarting it at system resume time, requires coordinated action between
the bridge driver and the camera sensor driver. This is handled by the
bridge driver calling the sensor's .s_stream() handler at system suspend
and resume time. There is thus no need for the sensor to independently
implement system sleep PM operations. Drop them.
The streaming field of the driver's private structure is now unused,
drop it as well.
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/i2c/ov08d10.c | 49 ---------------------------------------------
1 file changed, 49 deletions(-)
---
diff --git a/drivers/media/i2c/ov08d10.c b/drivers/media/i2c/ov08d10.c
index ef811711549c..3d49e3fa8e56 100644
--- a/drivers/media/i2c/ov08d10.c
+++ b/drivers/media/i2c/ov08d10.c
@@ -536,9 +536,6 @@ struct ov08d10 {
/* To serialize asynchronus callbacks */
struct mutex mutex;
- /* Streaming on/off */
- bool streaming;
-
/* lanes index */
u8 nlanes;
@@ -1122,8 +1119,6 @@ static int ov08d10_set_stream(struct v4l2_subdev *sd, int
enable)
pm_runtime_put(&client->dev);
}
- ov08d10->streaming = enable;
-
/* vflip and hflip cannot change during streaming */
__v4l2_ctrl_grab(ov08d10->vflip, enable);
__v4l2_ctrl_grab(ov08d10->hflip, enable);
@@ -1133,45 +1128,6 @@ static int ov08d10_set_stream(struct v4l2_subdev *sd,
int enable)
return ret;
}
-static int __maybe_unused ov08d10_suspend(struct device *dev)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct ov08d10 *ov08d10 = to_ov08d10(sd);
-
- mutex_lock(&ov08d10->mutex);
- if (ov08d10->streaming)
- ov08d10_stop_streaming(ov08d10);
-
- mutex_unlock(&ov08d10->mutex);
-
- return 0;
-}
-
-static int __maybe_unused ov08d10_resume(struct device *dev)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct ov08d10 *ov08d10 = to_ov08d10(sd);
- int ret;
-
- mutex_lock(&ov08d10->mutex);
-
- if (ov08d10->streaming) {
- ret = ov08d10_start_streaming(ov08d10);
- if (ret) {
- ov08d10->streaming = false;
- ov08d10_stop_streaming(ov08d10);
- mutex_unlock(&ov08d10->mutex);
- return ret;
- }
- }
-
- mutex_unlock(&ov08d10->mutex);
-
- return 0;
-}
-
static int ov08d10_set_format(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
@@ -1498,10 +1454,6 @@ probe_error_v4l2_ctrl_handler_free:
return ret;
}
-static const struct dev_pm_ops ov08d10_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(ov08d10_suspend, ov08d10_resume)
-};
-
#ifdef CONFIG_ACPI
static const struct acpi_device_id ov08d10_acpi_ids[] = {
{ "OVTI08D1" },
@@ -1514,7 +1466,6 @@ MODULE_DEVICE_TABLE(acpi, ov08d10_acpi_ids);
static struct i2c_driver ov08d10_i2c_driver = {
.driver = {
.name = "ov08d10",
- .pm = &ov08d10_pm_ops,
.acpi_match_table = ACPI_PTR(ov08d10_acpi_ids),
},
.probe = ov08d10_probe,
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