I2C_LS2X_CTR
writeb(readb(priv->base + I2C_LS2X_CTR) & ~CTR_FREQ_MASK,
priv->base + I2C_LS2X_CTR);
writeb(readb(priv->base + I2C_LS2X_CTR) | CTR_READY_MASK,
priv->base + I2C_LS2X_CTR);
writeb(readb(priv->base + I2C_LS2X_CTR) & ~LS2X_CTR_IEN,
priv->base + I2C_LS2X_CTR);