static enum PVRSRV_ERROR PVRSRVDevicePrePowerStateKM(IMG_BOOL bAllDevices,
u32 ui32DeviceIndex,
enum PVR_POWER_STATE eNewPowerState)
{
enum PVRSRV_ERROR eError;
struct SYS_DATA *psSysData;
struct PVRSRV_POWER_DEV *psPowerDevice;
enum PVR_POWER_STATE eNewDevicePowerState;
eError = SysAcquireData(&psSysData);
if (eError != PVRSRV_OK)
return eError;
psPowerDevice = psSysData->psPowerDeviceList;
while (psPowerDevice) {
if (bAllDevices ||
(ui32DeviceIndex == psPowerDevice->ui32DeviceIndex)) {
eNewDevicePowerState =
(eNewPowerState == PVRSRV_POWER_Unspecified) ?
psPowerDevice->eDefaultPowerState :
eNewPowerState;
if (psPowerDevice->eCurrentPowerState !=
eNewDevicePowerState) {
if (psPowerDevice->pfnPrePower != NULL) {
eError =
psPowerDevice->
pfnPrePower(psPowerDevice->
hDevCookie,
eNewDevicePowerState,
psPowerDevice->
eCurrentPowerState);
if (eError != PVRSRV_OK) {
pr_err
("pfnPrePower failed (%u)\n",
eError);
return eError;
}
}
eError = SysDevicePrePowerState(
psPowerDevice->ui32DeviceIndex,
eNewDevicePowerState,
psPowerDevice->eCurrentPowerState);
if (eError != PVRSRV_OK) {
pr_err("SysDevicePrePowerState failed "
"(%u)\n", eError);
return eError;
}
}
}
psPowerDevice = psPowerDevice->psNext;
}
return PVRSRV_OK;
}
PVRSRV_ERROR PVRSRVDevicePrePowerStateKM_AnyVaCb(PVRSRV_POWER_DEV *psPowerDevice, va_list va)
{
PVRSRV_DEV_POWER_STATE eNewDevicePowerState;
PVRSRV_ERROR eError;
IMG_BOOL bAllDevices;
IMG_UINT32 ui32DeviceIndex;
PVRSRV_DEV_POWER_STATE eNewPowerState;
bAllDevices = va_arg(va, IMG_BOOL);
ui32DeviceIndex = va_arg(va, IMG_UINT32);
eNewPowerState = va_arg(va, PVRSRV_DEV_POWER_STATE);
if (bAllDevices || (ui32DeviceIndex == psPowerDevice->ui32DeviceIndex))
{
eNewDevicePowerState = (eNewPowerState == PVRSRV_DEV_POWER_STATE_DEFAULT) ?
psPowerDevice->eDefaultPowerState : eNewPowerState;
if (psPowerDevice->eCurrentPowerState != eNewDevicePowerState)
{
if (psPowerDevice->pfnPrePower != IMG_NULL)
{
eError = psPowerDevice->pfnPrePower(psPowerDevice->hDevCookie,
eNewDevicePowerState,
psPowerDevice->eCurrentPowerState);
if (eError != PVRSRV_OK)
{
return eError;
}
}
eError = SysDevicePrePowerState(psPowerDevice->ui32DeviceIndex,
eNewDevicePowerState,
psPowerDevice->eCurrentPowerState);
if (eError != PVRSRV_OK)
{
return eError;
}
}
}
return PVRSRV_OK;
}