ASB100_REG_BANK
val1 = i2c_smbus_read_byte_data(client, ASB100_REG_BANK);
i2c_smbus_write_byte_data(client, ASB100_REG_BANK,
(i2c_smbus_read_byte_data(client, ASB100_REG_BANK) & 0x78)
i2c_smbus_write_byte_data(client, ASB100_REG_BANK, bank);
i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 0);
i2c_smbus_write_byte_data(client, ASB100_REG_BANK, bank);
i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 0);