rk3288 i2c 写双字节地址

        struct i2c_adapter *adap;
struct i2c_msg msgs[2];

char reg;

        char reg2[2];

        reg = 0x04;
reg2[1] = 0x00;

        reg2[0] = 0x00;

adap = i2c->adapter;

msgs[0].addr = i2c->addr;
msgs[0].buf = reg2;
msgs[0].flags = i2c->flags;
msgs[0].len = 2;
msgs[0].scl_rate = 200000;

msgs[1].buf = ®
msgs[1].addr = i2c->addr;
msgs[1].flags =  i2c->flags | I2C_M_RD;
msgs[1].len = 1;
msgs[1].scl_rate = 200000;

ret = i2c_transfer(adap, msgs, 2);

printk("***run in %s %x  %x\n", __func__, i2c->addr, *(msgs[1].buf));