I2C_AQ_NO_ZERO_LEN_WRITE 1946 drivers/i2c/i2c-core-base.c if (q->flags & I2C_AQ_NO_ZERO_LEN_WRITE && len == 0) I2C_AQ_NO_ZERO_LEN_WRITE 679 include/linux/i2c.h #define I2C_AQ_NO_ZERO_LEN (I2C_AQ_NO_ZERO_LEN_READ | I2C_AQ_NO_ZERO_LEN_WRITE)