int key, value, vendor = -1, model = -1, err;
unsigned int category, i;
__be32 pointers[ARRAY_SIZE(min_values)];
+ __be32 tx_data[4];
__be32 version;
/*
return -ENODEV;
}
+ /* We support playback only. Let capture devices be handled by FFADO. */
+ err = snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST,
+ DICE_PRIVATE_SPACE +
+ be32_to_cpu(pointers[2]) * 4,
+ tx_data, sizeof(tx_data), 0);
+ if (err < 0 || (tx_data[0] && tx_data[3]))
+ return -ENODEV;
+
/*
* Check that the implemented DICE driver specification major version
* number matches.