CDNS_I2C_CR_NEA
id->ctrl_reg = CDNS_I2C_CR_ACK_EN | CDNS_I2C_CR_NEA | CDNS_I2C_CR_MS;
#define CDNS_I2C_CR_MASTER_EN_MASK (CDNS_I2C_CR_NEA | \
if (reg & CDNS_I2C_CR_NEA)
cdns_i2c_writereg(reg & ~CDNS_I2C_CR_NEA,
if (!(reg & CDNS_I2C_CR_NEA))
cdns_i2c_writereg(reg | CDNS_I2C_CR_NEA,