176     uint16_t regValue;  in WM8904_ModifyRegister()  local
178     result = WM8904_ReadRegister(handle, reg, &regValue);  in WM8904_ModifyRegister()
184     regValue &= (uint16_t)~mask;  in WM8904_ModifyRegister()
185     regValue |= value;  in WM8904_ModifyRegister()
187     return WM8904_WriteRegister(handle, reg, regValue);  in WM8904_ModifyRegister()
1237     uint16_t regValue = 0U, regMask = 0U;  in WM8904_SetChannelMute()  local
1239     regValue = isMute ? 0x180U : 0x80U;  in WM8904_SetChannelMute()
1245         ret = WM8904_ModifyRegister(handle, WM8904_ANALOG_OUT1_LEFT, regMask, regValue);  in WM8904_SetChannelMute()
1251         ret = WM8904_ModifyRegister(handle, WM8904_ANALOG_OUT1_RIGHT, regMask, regValue);  in WM8904_SetChannelMute()
1257         ret = WM8904_ModifyRegister(handle, WM8904_ANALOG_OUT2_LEFT, regMask, regValue);  in WM8904_SetChannelMute()
1263         ret = WM8904_ModifyRegister(handle, WM8904_ANALOG_OUT2_RIGHT, regMask, regValue);  in WM8904_SetChannelMute()
1301     uint8_t regAddr = 0, regBitMask = 0U, regValue = 0U;  in WM8904_SetModulePower()  local
1309             regValue   = isEnabled ? 3U : 0U;  in WM8904_SetModulePower()
1314             regValue   = isEnabled ? 0xCU : 0U;  in WM8904_SetModulePower()
1320             regValue   = isEnabled ? 3U : 0U;  in WM8904_SetModulePower()
1326             regValue   = isEnabled ? 3U : 0U;  in WM8904_SetModulePower()
1331             regValue   = isEnabled ? 3U : 0U;  in WM8904_SetModulePower()
1340         error = WM8904_ModifyRegister(handle, regAddr, regBitMask, regValue);  in WM8904_SetModulePower()
1506     uint16_t regValue = 0U, regBitMask = 0xFU;  in WM8904_SetPlay()  local
1511         regValue |= (3U << 2U) | 3U;  in WM8904_SetPlay()
1516         regValue &= (uint16_t) ~((3U << 2U) | 3U);  in WM8904_SetPlay()
1519     return WM8904_ModifyRegister(handle, WM8904_ANALOG_OUT12_ZC, regBitMask, regValue);  in WM8904_SetPlay()