/* LGE_CHANGE_E, [email protected], 2012-10-31, Wise screen / Because of the display engine */ static long media_device_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { struct media_devnode *devnode = media_devnode_data(filp); struct media_device *dev = to_media_device(devnode); long ret; /* LGE_CHANGE_S, [email protected], 2012-10-31, Wise screen / Because of the display engine */ void __user *argp = (void __user *)arg; /* LGE_CHANGE_E, [email protected], 2012-10-31, Wise screen / Because of the display engine */ switch (cmd) { case MEDIA_IOC_DEVICE_INFO: ret = media_device_get_info(dev, (struct media_device_info __user *)arg); break; case MEDIA_IOC_ENUM_ENTITIES: ret = media_device_enum_entities(dev, (struct media_entity_desc __user *)arg); break; case MEDIA_IOC_ENUM_LINKS: mutex_lock(&dev->graph_mutex); ret = media_device_enum_links(dev, (struct media_links_enum __user *)arg); mutex_unlock(&dev->graph_mutex); break; case MEDIA_IOC_SETUP_LINK: mutex_lock(&dev->graph_mutex); ret = media_device_setup_link(dev, (struct media_link_desc __user *)arg); mutex_unlock(&dev->graph_mutex); break; /* LGE_CHANGE_S, [email protected], 2012-10-31, Wise screen / Because of the display engine */ case MEDIA_IOC_SUB_CAM_ID: if (copy_from_user(&sub_cam_id_for_keep_screen_on, argp, sizeof(sub_cam_id_for_keep_screen_on))) { ret = -EFAULT; } else { ret = 0; } break; /* LGE_CHANGE_E, [email protected], 2012-10-31, Wise screen / Because of the display engine */ default: ret = -ENOIOCTLCMD; } return ret; }
static long media_device_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
struct media_devnode *devnode = media_devnode_data(filp);
struct media_device *dev = to_media_device(devnode);
long ret;
switch (cmd) {
case MEDIA_IOC_DEVICE_INFO:
ret = media_device_get_info(dev,
(struct media_device_info __user *)arg);
break;
case MEDIA_IOC_ENUM_ENTITIES:
ret = media_device_enum_entities(dev,
(struct media_entity_desc __user *)arg);
break;
case MEDIA_IOC_ENUM_LINKS:
mutex_lock(&dev->graph_mutex);
ret = media_device_enum_links(dev,
(struct media_links_enum __user *)arg);
mutex_unlock(&dev->graph_mutex);
break;
case MEDIA_IOC_SETUP_LINK:
mutex_lock(&dev->graph_mutex);
ret = media_device_setup_link(dev,
(struct media_link_desc __user *)arg);
mutex_unlock(&dev->graph_mutex);
break;
default:
ret = -ENOIOCTLCMD;
}
return ret;
}