CFG_OFFSET
val = iproc_i2c_rd_reg(iproc_i2c, CFG_OFFSET);
iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);
iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);
val = iproc_i2c_rd_reg(iproc_i2c, CFG_OFFSET);
iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);
val = iproc_i2c_rd_reg(iproc_i2c, CFG_OFFSET);
iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);
iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);