Searched refs:changePowerStateTo (Results 1 - 4 of 4) sorted by relevance
| /macosx-10.5.8/xnu-1228.15.4/iokit/IOKit/pwr_mgt/ |
| H A D | RootDomain.h | 166 virtual IOReturn changePowerStateTo ( unsigned long ordinal );
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| /macosx-10.5.8/xnu-1228.15.4/iokit/Kernel/ |
| H A D | IOPMrootDomain.cpp | 240 calling changePowerStateTo(), the policy-maker expresses its desire by calling changePowerStateToPriv(), and the children
251 These three conditions are enforced using the "driver clamp" by calling changePowerStateTo(). For example, if the case is
252 opened, changePowerStateTo(ON_STATE) is called to hold the system on regardless of the desires of the children of the root or
1083 if (wrangler) wrangler->changePowerStateTo(0);
2385 // changePowerStateTo & changePowerStateToPriv
2390 IOReturn IOPMrootDomain::changePowerStateTo ( unsigned long ordinal ) function in class:IOPMrootDomain
2392 return super::changePowerStateTo(ordinal);
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| H A D | IOServicePM.cpp | 276 * or if our power-controlling driver calls changePowerStateTo,
2028 // [public virtual] changePowerStateTo
2035 IOReturn IOService::changePowerStateTo ( unsigned long ordinal ) function in class:IOService
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| /macosx-10.5.8/xnu-1228.15.4/iokit/IOKit/ |
| H A D | IOService.h | 1356 /*! @function changePowerStateTo
1360 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:
1362 <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.
1364 <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>
1368 virtual IOReturn changePowerStateTo ( unsigned long ordinal );
1662 Three things affect driver power state: @link changePowerStateTo changePowerStateTo
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