I2C_AQ_COMB_READ_SECOND 1914 drivers/i2c/i2c-core-base.c if (q->flags & I2C_AQ_COMB_READ_SECOND && !(msgs[1].flags & I2C_M_RD)) I2C_AQ_COMB_READ_SECOND 673 include/linux/i2c.h I2C_AQ_COMB_READ_SECOND | I2C_AQ_COMB_SAME_ADDR)