diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-mc.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-mc.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-mc.c b/drivers/media/v4l2-core/v4l2-mc.c index e6d2a711bb0b..b6cf6dbd4cd5 100644 --- a/drivers/media/v4l2-core/v4l2-mc.c +++ b/drivers/media/v4l2-core/v4l2-mc.c @@ -15,9 +15,44 @@ */ #include <linux/module.h> +#include <linux/pci.h> #include <media/media-entity.h> #include <media/v4l2-mc.h> + +struct media_device *v4l2_mc_pci_media_device_init(struct pci_dev *pci_dev, + char *name) +{ +#ifdef CONFIG_PCI + struct media_device *mdev; + + mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); + if (!mdev) + return NULL; + + mdev->dev = &pci_dev->dev; + + if (name) + strlcpy(mdev->model, name, sizeof(mdev->model)); + else + strlcpy(mdev->model, pci_name(pci_dev), sizeof(mdev->model)); + + sprintf(mdev->bus_info, "PCI:%s", pci_name(pci_dev)); + + mdev->hw_revision = pci_dev->subsystem_vendor << 16 + || pci_dev->subsystem_device; + + mdev->driver_version = LINUX_VERSION_CODE; + + media_device_init(mdev); + + return mdev; +#else + return NULL; +#endif +} +EXPORT_SYMBOL_GPL(v4l2_mc_pci_media_device_init); + int v4l2_mc_create_media_graph(struct media_device *mdev) { |