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mode_init() callback

Called when the driver supplies the initial power modes

Synopsis:

#include <sys/pmm.h>

void mode_init(void *data, resmgr_context_t *ctp, 
                     const pm_power_attr_t *attr, 
                   const pm_power_mode_t *modes);

Library:

libc

Description:

This function is called when a driver attaches to a power manager node and supplies the initial power modes:

data

Policy specific data returned by the create() function when the node was created.

ctp

Obtain information about the driver process.

attr

Describes initial power mode of the device.

modes

Contains a list of the supported power modes. It is specified by attr -> num_modes.

This call is provided to allow the policy to determine when a node's power modes become valid. Nodes cannot be power managed until a driver attaches to register. Driver is responsible for implementing the power mode changes for the node.

There is no default action for this call.

Returns:

Classification:

QNX Neutrino

See also: