# CE Linux Forum

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Former non-profit organization

The **Consumer Electronics Linux Forum** (**CE Linux Forum** or **CELF**) was a [non-profit organization](/source/Non-profit_organization) to advance the [Linux](/source/Linux) operating system as an [open-source software](/source/Open-source_software) platform for [consumer electronics](/source/Consumer_electronics) (CE) devices. It had a primarily technical focus, working on specifications, implementations, conferences and testing to help Linux developers improve Linux for use in CE products.[1] It existed from 2003 to 2010.[2]

## History

The forum was an outgrowth of a joint project between [Sony Corporation](/source/Sony_Corporation) and Matsushita Electric Industrial Co. Ltd. (using the brand name [Panasonic](/source/Panasonic)). CELF was founded in June 2003 by those plus six more consumer electronics companies, Hitachi Ltd., [NEC Corporation](/source/NEC_Corporation), [Royal Philips Electronics](/source/Royal_Philips_Electronics), [Samsung Electronics Co. Ltd.](/source/Samsung_Electronics_Co._Ltd.), [Sharp Corporation](/source/Sharp_Corporation), and [Toshiba Corporation](/source/Toshiba_Corporation).[3] It was seen at least partially as a reaction to the use of [Windows CE](/source/Windows_Embedded_Compact) for consumer electronics.[4]

Phillips and Samsung founded a group with similar aims in November 2004, promoting a universal home [application programming interface](/source/Application_programming_interface) called the UHAPI Forum.[5] The UHAPI was presented to the CE Linux Forum in 2005.[6] [NXP Semiconductors](/source/NXP_Semiconductors) spun off from Phillips in 2006, and the UHAP was revised up to a version 1.2.[7] A sample implementation of UHAPI was published on [SourceForge](/source/SourceForge).[8] The UHAPI forum added a few other supporters, such as the Digital TV Alliance of China and Japan-based [Access (company)](/source/Access_(company)),[9] and maintained a web site until the [Great Recession](/source/Great_Recession) of 2008.[10]

By 2004, hardware from [Renesas Electronics](/source/Renesas_Electronics) running software from [Lineo](/source/Lineo) was demonstrated at a CELF meeting.[11] In 2005, a meeting in [San Jose, California](/source/San_Jose%2C_California) drew about engineers from competing companies.[12] By the end of 2006, the competing Linux Phone Standards Forum had formed, to focus on mobile devices.[13] After other groups such as [Linaro](/source/Linaro) and the [Limo Foundation](/source/Tizen_Association) formed, some questioned the fragmentation of the industry.[14] In 2010, the CE Linux Forum merged with the [Linux Foundation](/source/Linux_Foundation), to become a technical work group of Linux Foundation.[15][2] The group planned to support the [Yocto Project](/source/Yocto_Project) to produce an [embedded Linux](/source/Embedded_Linux) distribution.[16]

## Activities

CELF initiatives included:

- technical working groups, which produce specifications and implementations (usually [patches](/source/Patch_(computing)) against existing [open source](/source/Open_source) projects) to enhance Linux suitability for CE products

- hosting of conferences dedicated to embedded Linux (see below)

- providing hardware resources to open source developers

- funding for direct feature development, via contracting with a few Linux developers

- a test lab in [San Jose, California](/source/San_Jose%2C_California) was established in 2006[17]

Members submit technical output directly back to the relevant open source project (for example, by sending enhancements to the [Linux kernel](/source/Linux_kernel) directly to the Linux kernel mailing list, or to an appropriate technology- or architecture-specific mailing list.) Collected information and forum output was primarily located on a [wiki](/source/Wiki) for embedded developers.[1] The content of CELF's wiki was included on another site called eLinux.org, created by Tim Riker in 2006.[18] As of 2007, CELF had the following technical working groups:

1. Audio, Video and Graphics

1. Bootup Time

1. Digital Television Profile

1. Memory Management

1. Mobile Phone Profile

1. Power Management

1. Real Time

1. Security

1. System Size

The CE Linux Forum sponsors embedded projects. Amongst others the LinuxTiny patches and the [LogFS](/source/LogFS) and [SquashFS](/source/SquashFS) [flash file systems](/source/Flash_file_system) have been pushed to mainline Linux.

The forum sponsored the [Embedded Linux Conference](/source/Embedded_Linux_Conference) since 2005. Originally started as a conference in the US, a yearly ELC Europe started in 2007. in 2007 it was hosted with the Real-time Linux Workshop in [Linz](/source/Linz), [Austria](/source/Austria); in 2008 with the [NLUUG](/source/NLUUG) in [Ede, Netherlands](/source/Ede%2C_Netherlands); and in 2009 with Embedded Systems Week in [Grenoble](/source/Grenoble).[19]

CELF sponsored the [Linux Symposium](/source/Linux_Symposium) from 2004 to 2008, hosting sessions specific to embedded use of Linux and development of Linux capabilities for embedded use. In Japan and Korea, CELF organizes Technical Jamborees every two months. Jamborees are smaller, have a single track, and are held in the local language.

By 2009 CELF had about 30 members, consisting of consumer electronics manufacturers, [semiconductor](/source/Semiconductor) vendors, and Linux software companies: [ARM Ltd.](/source/ARM_Ltd.), AXE, Inc., [Broadcom](/source/Broadcom), [Canon Inc.](/source/Canon_Inc.), [ETRI](/source/ETRI), [Fujitsu Limited](/source/Fujitsu_Limited), [Fuji-Xerox](/source/Fuji-Xerox), [Hewlett-Packard](/source/Hewlett-Packard), [Hitachi, Ltd.](/source/Hitachi%2C_Ltd.), [IBM](/source/IBM), [Intel Corporation](/source/Intel_Corporation), [Just Systems Corporation](/source/JustSystems), [LG Electronics](/source/LG_Electronics), [Lineo Solutions, Inc](/source/Lineo), Panasonic Corporation, [MIPS Technologies](/source/MIPS_Technologies), NEC Corporation, NXP Semiconductors, [Renesas](/source/Renesas_Electronics), Royal Philips Electronics, Samsung Electronics, Selenic Consulting, [Sharp Corporation](/source/Sharp_Corporation), SnapGear, Sony Corporation, Toshiba Corporation, [Yamaha Corporation](/source/Yamaha_Corporation)[20]

## See also

- [Free and open-source software portal](https://en.wikipedia.org/wiki/Portal:Free_and_open-source_software)

- [Linux Foundation](/source/Linux_Foundation) - parent organization

- [Digital Living Network Alliance](/source/Digital_Living_Network_Alliance), another group from 2004 to 2017

## References

1. ^ [***a***](#cite_ref-wiki_1-0) [***b***](#cite_ref-wiki_1-1) ["Front Page"](https://web.archive.org/web/20100728123708/http://tree.celinuxforum.org/CelfPubWiki/FrontPage). *CE Public Wiki*. November 26, 2008. Archived from [the original](http://tree.celinuxforum.org/CelfPubWiki/FrontPage) on July 28, 2010. Retrieved October 8, 2021.

1. ^ [***a***](#cite_ref-merged_2-0) [***b***](#cite_ref-merged_2-1) Sean Michael Kerner (October 27, 2010). ["Linux Foundation Merges with Consumer Electronics Linux Forum"](https://www.datamation.com/open-source/linux-foundation-merges-with-consumer-electronics-linux-forum/). *Datamation*. Retrieved October 8, 2021.

1. **[^](#cite_ref-3)** ["Eight consumer electronic companies establish forum"](https://www.edn.com/eight-consumer-electronic-companies-establish-forum/). *Electronic Design News*. July 31, 2003. Retrieved October 8, 2021.

1. **[^](#cite_ref-4)** ["Eight firms form consumer electronics Linux Forum"](https://www.edn.com/eight-firms-form-consumer-electronics-linux-forum-3). *Electronic Design News*. July 1, 2003. Retrieved October 8, 2021.

1. **[^](#cite_ref-5)** Junko Yoshida (January 20, 2005). ["'Uhapi?' asks new Philips Semiconductors CEO"](https://www.edn.com/uhapi-asks-new-philips-semiconductors-ceo/). *EE Times*. Retrieved October 8, 2021.

1. **[^](#cite_ref-6)** Jeroen Brouwer (January 26, 2005). ["Universal Home API Proposal for Industry alignment"](https://elinux.org/images/9/9b/UHAPI-Forum-Introduction-CELF-20050126.pdf) (PDF). *Presentation to the CE Linux Forum*. Retrieved October 8, 2021.

1. **[^](#cite_ref-Coughlin2011_7-0)** Thomas M. Coughlin (August 30, 2011). [*Digital Storage in Consumer Electronics: The Essential Guide*](https://books.google.com/books?id=SnwkaXXfRD8C&pg=PA264). Newnes. pp. 264–. [ISBN](/source/ISBN_(identifier)) [978-0-08-055849-3](https://en.wikipedia.org/wiki/Special:BookSources/978-0-08-055849-3).

1. **[^](#cite_ref-8)** Pjotr Kourzanoff. ["UHAPI4Linux: an open source implementation of UHAPI"](https://sourceforge.net/projects/uhapi4linux/). *Sourceforge*. Retrieved October 8, 2021.

1. **[^](#cite_ref-9)** Michael Singer (November 3, 2004). ["Companies Unite to Make UHAPI"](https://www.internetnews.com/it-management/companies-unite-to-make-uhapi/). *Internet News*.

1. **[^](#cite_ref-10)** ["Supporting Companies"](https://web.archive.org/web/20070711033747/http://www.uhapi.org:80/about_us/supporting_companies). *UHAPI Forum*. Archived from [the original](http://www.uhapi.org/about_us/supporting_companies) on July 11, 2007. Retrieved October 8, 2021.

1. **[^](#cite_ref-11)** ["Development Platform is Compatible with CE Linux Forum Specs"](https://www.eetimes.com/development-platform-is-compatible-with-ce-linux-forum-specs/). *EE Times*. January 8, 2004. Retrieved October 8, 2021.

1. **[^](#cite_ref-12)** Rick Merritt (January 31, 2005). ["Culture clash can't keep Linux from consumers"](https://www.eetimes.com/culture-clash-cant-keep-linux-from-consumers/). *EE Times*. Retrieved October 8, 2021.

1. **[^](#cite_ref-13)** Stephen Shankland (November 13, 2005). ["New Linux phone standards effort in the works"](https://www.zdnet.com/article/new-linux-phone-standards-effort-in-the-works/). *ZDNet*. Retrieved October 8, 2021.

1. **[^](#cite_ref-14)** Rick Merritt (June 3, 2010). ["Join the Conversation: Do we need another Linux group?"](https://www.eetimes.com/join-the-conversation-do-we-need-another-linux-group/). *EE Times*. Retrieved October 8, 2021.

1. **[^](#cite_ref-15)** ["Linux Foundation and Consumer Electronics Linux Forum to Merge"](https://linuxfoundation.org/press-release/linux-foundation-and-consumer-electronics-linux-forum-to-merge/). *Press release*. October 27, 2010. Retrieved October 8, 2021.

1. **[^](#cite_ref-16)** Grant Likely (December 13, 2010). ["Embedded Linux developers meet for a Yocto project summit"](https://lwn.net/Articles/419642/). *[LWN.net](/source/LWN.net)*. Retrieved October 8, 2021.

1. **[^](#cite_ref-17)** ["Welcome to the Open Test Lab (Demo)"](https://web.archive.org/web/20060906110639/http://testlab.celinuxforum.org/). Archived from [the original](http://testlab.celinuxforum.org/) on September 6, 2006. Retrieved October 8, 2021.

1. **[^](#cite_ref-18)** ["ELinuxWiki:History"](https://elinux.org/ELinuxWiki:History). *eLinux.org*. December 13, 2021. Retrieved October 8, 2021.

1. **[^](#cite_ref-19)** ["Embedded Linux Conference"](https://www.embeddedlinuxconference.com/). *Promotional web site*. Retrieved October 8, 2021.

1. **[^](#cite_ref-20)** [CE Linux membership list](http://www.celinux.org/membership_list/)

## External links

- CELF [Website](http://www.celinuxforum.org/)

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Adapted from the Wikipedia article [CE Linux Forum](https://en.wikipedia.org/wiki/CE_Linux_Forum) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/CE_Linux_Forum?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.