CHI32_CONTROL_REG
SetDspRegister( CHI32_CONTROL_REG,
GetDspRegister( CHI32_CONTROL_REG ) | 0x900 );
SetDspRegister( CHI32_CONTROL_REG,
GetDspRegister( CHI32_CONTROL_REG ) | (DWORD) 0x900 );
SetDspRegister( CHI32_CONTROL_REG,
GetDspRegister( CHI32_CONTROL_REG ) & ~0x1b00 );