2.8. ioctl CEC_ADAP_G_CONNECTOR_INFO¶
2.8.1. Name¶
CEC_ADAP_G_CONNECTOR_INFO - Query HDMI connector information
2.8.2. Synopsis¶
- 
CEC_ADAP_G_CONNECTOR_INFO¶
int ioctl(int fd, CEC_ADAP_G_CONNECTOR_INFO, struct cec_connector_info *argp)
2.8.3. Arguments¶
- fd
- File descriptor returned by - open().
argp
2.8.4. Description¶
Using this ioctl an application can learn which HDMI connector this CEC
device corresponds to. While calling this ioctl the application should
provide a pointer to a cec_connector_info struct which will be populated
by the kernel with the info provided by the adapter’s driver. This ioctl
is only available if the CEC_CAP_CONNECTOR_INFO capability is set.
- 
type cec_connector_info¶
| __u32 | 
 | The type of connector this adapter is associated with. | 
| union { | 
 | |
| 
 | drm | |
| } | ||
| 
 | 0 | No connector is associated with the adapter/the information is not provided by the driver. | 
| 
 | 1 | Indicates that a DRM connector is associated with this adapter. Information about the connector can be found in struct cec_drm_connector_info. | 
- 
type cec_drm_connector_info¶
| __u32 | 
 | DRM card number: the number from a card’s path, e.g. 0 in case of /dev/card0. | 
| __u32 | 
 | DRM connector ID. |