// ucmtypes.h

typedef enum _UCM_POWER_ROLE {
  UcmPowerRoleInvalid,
  UcmPowerRoleSink,
  UcmPowerRoleSource
} UCM_POWER_ROLE;
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Windows Driver Kit DDI reference (ne-ucmtypes-_ucm_power_role)

_UCM_POWER_ROLE enumeration

Description

Defines power roles of USB Type-C connected devices.

Constants

`UcmPowerRoleInvalid`

Indicates the power role state is invalid.

`UcmPowerRoleSink`

Indicates the power role is set to sink power.

`UcmPowerRoleSource`

Indicates the power role is set to source power.

UCM_POWER_ROLE - NtDoc