**EXHIBIT 10.4**

ADDENDUM TO DISTRIBUTION AGREEMENT BETWEEN MICRO LINEAR CORPORATION AND Clavis Company Macnica, Inc.

          THIS ADDENDUM TO DISTRIBUTION AGREEMENT is made as of the 5th day of December, 2005, by and between Micro Linear Corporation, a Delaware corporation (the “MANUFACTURER”), and Clavis, a division of Macnica, Inc., a Japanese corporation (“DISTRIBUTOR”).

          WHEREAS, the Manufacturer and Distributor are parties to a Distribution Agreement dated November 30th, 2004 (the “Distribution Agreement”) and the parties desire to amend and supplement the terms and conditions of the Distribution Agreement.

          NOW, THEREFORE, in consideration of these premises and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as follows:

          1.     The following two paragraphs are added as Section 8.1 and 8.2 to the Distribution Agreement:

**8.1. Compliance with Law. **The parties will at all times comply with all applicable foreign, U.S., state and local laws, rules and regulations relating to the execution, delivery and performance of this Agreement.  Each party agrees that it will not export or reexport, resell, ship, or divert or cause to be exported or reexported, resold, shipped, diverted directly or indirectly any software, documentation, or technical data incorporating any software to any county for which the government (or any agency thereof) of the United States, or any foreign sovereign government with competent jurisdiction requires an export license or other governmental approval without first obtaining such license or approval.

**8.2. No Gratuity; FCPA.  **The Distributor will not offer or giveany gratuity to induce any person or entity to enter into, execute or performthis Agreement or any other agreement with the Manufacturer.  TheDistributor further represents that it has knowledge and understanding of theForeign Corrupt Practices Act of the United States of America(“FCPA”), and that in accordance with the FCPA, Distributor representsthat no principal partner, officer, director or employee of the Distributor iscurrently serving in an official position on any governmental body of anycountry (other than the U.S.)  in which Distributor provides goods orservices for the Manufacturer (“Official Position”), if such person inhis official capacity may have the opportunity by virtue of his OfficialPosition to place Manufacturer in violation of the provisions of the FCPA. If Distributor does currently have, or in the future should have a principalpartner, officer, director or employee of the Distributor serving in an OfficialPosition but cannot determine is such person in his official capacity may act ina manner that would place Manufacturer in violation of the provisions of theFCPA, Distributor agrees to notify Manufacturer of such person(s) and provideManufacturer with the details of the responsibilities of that person’s Official Position.

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The Distributor agrees that it will not, in the conduct of its performance underthis Agreement, and with regard to any funds, assets, or records relatingthereto, offer, pay, give, or promise to pay or give, directly or indirectly,any payment or gift of any money or thing of value to (i) any non-U.S.government official to influence any acts or decisions of such official or toinduce such official to use his influence with the local government to effect orinfluence the decisions of such government in order to assist the Distributor inits performance of its obligations under this Agreement or to benefit theManufacturer; (ii) any political party or candidate for public office for suchpurpose; or (iii) any person if the Distributor knows or has reason to know thatsuch money or thing of value will be offered, promised, paid, or given, directlyor indirectly, to such money or thing of value will be offered, promised, paid,or given, directly or indirectly, to any official, political party, or candidatefor such purpose.  In the event of any breach by the Distributor of thisSection 8.2, then (1) the Manufacturer will have a lawful claim against theDistributor for any funds and/or the value of property paid by the Distributorin breach of this provision, (2) the Distributor will automatically surrenderany claim for fees and other payments due under this Agreement, (3) theDistributor with indemnify and hold the Manufacturer harmless from and againstany and all claims, costs, expenses, penalties, fines and all other liabilitiesrelating to any and all such breaches, and (4) such breach shall constitute amaterial breach entitling the Manufacturer to immediately terminate thisAgreement without liability of any kind to the Distributor, notwithstanding anyother provision of this Agreement.

          2.     Exceptas expressly modified herein, the Distribution Agreement shall remain in fullforce and effect.

          This Addendum may beexecuted in counterparts, each of which shall be an original, but all of whichtogether shall constitute one and the same instrument.

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Understood and Agreed:

| **Micro Linear Corporation** |                      | **Clavis Company, a division of Macnica, Inc.** |
|------------------------------|---------------------------|-------------------------------------------------|
|                         |                      |                                            |   |   |
|                         |                      |                                            |   |   |
| By:                          | /s/ Daniel   C. Weinblatt |                                            | By: | /s/ Hiromi   Ohkuma |
|                         |                           |                                            |   |  |
| Name:                        | Daniel C.   Weinblatt     |                                            | Name: | Hiromi   Ohkuma |
|                         |                      |                                            |   |   |
| Title:                       | Corporate   Controller    |                                            | Title: | Company   President |
|                         |                      |                                            |   |   |
| Date:                        | December 5,   2005        |                                            | Date: | January 11,   2006 |

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