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[media] media: au0828 change to use Managed Media Controller API 

Change au0828 to use Managed Media Controller API to share media device
and coordinate creating/deleting the shared media device with the
snd-usb-audio driver. The shared media device is created as device
resource of the parent usb device of the two drivers.

Populate media device model with USB Device product name instead of
au0828 device board name. This change is necessary because, if the media
device is registered by the snd-usb-audio driver first, and it doesn't
know the au0828 board name.

[mchehab@osg.samsung.com: Fix merge conflicts]

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
hifive-unleashed-5.1
Shuah Khan 2016-02-11 21:41:30 -02:00 committed by Mauro Carvalho Chehab
parent 77fa4e0729
commit 182dde7c5d
1 changed files with 4 additions and 7 deletions
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11
drivers/media/usb/au0828/au0828-core.c
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@ -134,10 +134,10 @@ static void au0828_unregister_media_device(struct au0828_dev *dev)
{
#ifdef CONFIG_MEDIA_CONTROLLER
if (dev->media_dev) {
if (dev->media_dev &&
media_devnode_is_registered(&dev->media_dev->devnode)) {
media_device_unregister(dev->media_dev);
media_device_cleanup(dev->media_dev);
kfree(dev->media_dev);
dev->media_dev = NULL;
}
#endif
@ -191,14 +191,11 @@ static int au0828_media_device_init(struct au0828_dev *dev,
#ifdef CONFIG_MEDIA_CONTROLLER
struct media_device *mdev;
mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
mdev = media_device_get_devres(&udev->dev);
if (!mdev)
return -ENOMEM;
if (!dev->board.name)
media_device_usb_init(mdev, udev, "unknown au0828");
else
media_device_usb_init(mdev, udev, dev->board.name);
media_device_usb_init(mdev, udev, udev->product);
dev->media_dev = mdev;
#endif