forked from Minki/linux
media: mt9m001: register to V4L2 asynchronous subdevice framework
Register a sub-device to the asynchronous subdevice framework, and also create subdevice device node. Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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@ -869,9 +869,8 @@ config VIDEO_VS6624
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config VIDEO_MT9M001
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tristate "mt9m001 support"
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depends on I2C && VIDEO_V4L2
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depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
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depends on MEDIA_CAMERA_SUPPORT
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depends on MEDIA_CONTROLLER
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help
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This driver supports MT9M001 cameras from Micron, monochrome
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and colour models.
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@ -720,6 +720,7 @@ static int mt9m001_probe(struct i2c_client *client,
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return PTR_ERR(mt9m001->reset_gpio);
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v4l2_i2c_subdev_init(&mt9m001->subdev, client, &mt9m001_subdev_ops);
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mt9m001->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
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v4l2_ctrl_handler_init(&mt9m001->hdl, 4);
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v4l2_ctrl_new_std(&mt9m001->hdl, &mt9m001_ctrl_ops,
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V4L2_CID_VFLIP, 0, 1, 1, 0);
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@ -768,10 +769,16 @@ static int mt9m001_probe(struct i2c_client *client,
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if (ret)
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goto error_power_off;
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ret = v4l2_async_register_subdev(&mt9m001->subdev);
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if (ret)
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goto error_entity_cleanup;
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pm_runtime_idle(&client->dev);
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return 0;
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error_entity_cleanup:
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media_entity_cleanup(&mt9m001->subdev.entity);
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error_power_off:
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pm_runtime_disable(&client->dev);
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pm_runtime_set_suspended(&client->dev);
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@ -788,9 +795,9 @@ static int mt9m001_remove(struct i2c_client *client)
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{
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struct mt9m001 *mt9m001 = to_mt9m001(client);
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v4l2_device_unregister_subdev(&mt9m001->subdev);
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pm_runtime_get_sync(&client->dev);
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v4l2_async_unregister_subdev(&mt9m001->subdev);
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media_entity_cleanup(&mt9m001->subdev.entity);
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pm_runtime_disable(&client->dev);
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