AU8522_CLAMPING_CONTROL_REG083H
au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00);
au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x0e);
au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00);