JZ4780_I2C_CTRL_STPHLD
tmp &= ~JZ4780_I2C_CTRL_STPHLD;
tmp &= ~JZ4780_I2C_CTRL_STPHLD;
tmp &= ~JZ4780_I2C_CTRL_STPHLD;
tmp |= JZ4780_I2C_CTRL_STPHLD;
tmp |= JZ4780_I2C_CTRL_STPHLD;
tmp &= ~JZ4780_I2C_CTRL_STPHLD;