// usbctypes.h

typedef enum _USBC_POWER_ROLE {
  UsbCPowerRoleInvalid,
  UsbCPowerRoleSink,
  UsbCPowerRoleSource
} USBC_POWER_ROLE;
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Windows Driver Kit DDI reference (ne-usbctypes-_usbc_power_role)

_USBC_POWER_ROLE enumeration

Description

Defines power roles of USB Type-C connected devices.

Constants

`UsbCPowerRoleInvalid`

Indicates the power role state is invalid.

`UsbCPowerRoleSink`

Indicates the power role is set to sink power.

`UsbCPowerRoleSource`

Indicates the power role is set to source power.

USBC_POWER_ROLE - NtDoc