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media: i2c: mt9m001: Drop check for reentrant .s_stream()
The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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1 changed files with 0 additions and 6 deletions
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@ -93,7 +93,6 @@ struct mt9m001 {
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struct v4l2_ctrl *autoexposure;
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struct v4l2_ctrl *exposure;
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};
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bool streaming;
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struct mutex mutex;
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struct v4l2_rect rect; /* Sensor window */
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struct clk *clk;
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@ -213,9 +212,6 @@ static int mt9m001_s_stream(struct v4l2_subdev *sd, int enable)
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mutex_lock(&mt9m001->mutex);
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if (mt9m001->streaming == enable)
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goto done;
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if (enable) {
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ret = pm_runtime_resume_and_get(&client->dev);
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if (ret < 0)
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@ -239,8 +235,6 @@ static int mt9m001_s_stream(struct v4l2_subdev *sd, int enable)
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pm_runtime_put(&client->dev);
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}
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mt9m001->streaming = enable;
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done:
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mutex_unlock(&mt9m001->mutex);
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return 0;
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