Searched refs:changePowerStateTo (Results 1 - 4 of 4) sorted by relevance

/darwin-on-arm/xnu/iokit/IOKit/pwr_mgt/
H A DRootDomain.h316 virtual IOReturn changePowerStateTo( unsigned long ordinal );
/darwin-on-arm/xnu/iokit/IOKit/
H A DIOService.h1435 /*! @function changePowerStateTo
1438 Calls to <code>changePowerStateTo</code>, <code>changePowerStateToPriv</code>, and a driver's power children all affect the power state of a driver. For legacy design reasons, they have overlapping functionality. Although you should call <code>changePowerStateToPriv</code> to change your device's power state, you might need to call <code>changePowerStateTo</code> in the following circumstances:
1439 <ul><li>If a driver will be using <code>changePowerStateToPriv</code> to change its power state, it should call <code>changePowerStateTo(0)</code> in its <code>start</code> routine to eliminate the influence <code>changePowerStateTo</code> has on power state calculations.
1440 <li>Call <code>changePowerStateTo</code> in conjunction with @link setIdleTimerPeriod setIdleTimerPeriod@/link and @link activityTickle activityTickle@/link to idle a driver into a low power state. For a driver with 3 power states, for example, <code>changePowerStateTo(1)</code> sets a minimum level of power state 1, such that the idle timer period may not set your device's power any lower than state 1.</ul>
1445 IOReturn changePowerStateTo( unsigned long ordinal );
1700 Three things affect driver power state: @link changePowerStateTo changePowerStateTo
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/darwin-on-arm/xnu/iokit/Kernel/
H A DIOPMrootDomain.cpp626 calling changePowerStateTo(), the policy-maker expresses its desire by calling
642 changePowerStateTo(). For example, if the case is opened,
643 changePowerStateTo(ON_STATE) is called to hold the system on regardless
2458 changePowerStateTo(ON_STATE);
2465 changePowerStateTo(SLEEP_STATE);
2901 // changePowerStateTo & changePowerStateToPriv
2906 IOReturn IOPMrootDomain::changePowerStateTo( unsigned long ordinal ) function in class:IOPMrootDomain
2908 DLOG("changePowerStateTo(%lu)\n", ordinal);
2913 return super::changePowerStateTo(ordinal);
H A DIOServicePM.cpp385 * or if our power-controlling driver calls changePowerStateTo,
2269 // [public] changePowerStateTo
2276 IOReturn IOService::changePowerStateTo ( unsigned long ordinal ) function in class:IOService

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