M_FIFO_CTRL_OFFSET
val = iproc_i2c_rd_reg(iproc_i2c, M_FIFO_CTRL_OFFSET);
iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, val);
iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, val);
iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, val);
iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, val);
tmp = iproc_i2c_rd_reg(iproc_i2c, M_FIFO_CTRL_OFFSET);
iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, tmp);