TPM_DID_VID
if (iic_tpm_read(TPM_DID_VID(0), (u8 *)&vendor, 4) < 0) {
rc = tpm_tis_read32(priv, TPM_DID_VID(0), &vendor);
rc = tpm_tis_read32(priv, TPM_DID_VID(0), &did_vid);
rc = tpm_tis_read32(priv, TPM_DID_VID(0), &did_vid);
rc = tpm_tis_read16(priv, TPM_DID_VID(0), &vendor);
case TPM_DID_VID(0):