EMPIA EM28XX DRIVER

April 27, 2020 0 Comments

It’s same as with Reiser4. I don’t want to own the em28xx driver, I would like to maintain it since I did that for 3 years already, accepting useful patches giving reviews etc. In the process, the new driver could receive some much-needed attention from other developers. So now the userspace stuff comes in thinking about how to open up that project again so that work can be used with the existing kernel. Hans Verkuil The sad story of the em28xx driver. After few years he started to close bugs and feature requests with “use reiser4” effectively abandoning users and stopped reiserfs support when something went wring he pointed out that the same thing worked perfectly with previous version of kernel and basically refused to debug and fix problems thus abandoning developers.

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Building a virtual front between developers who actually supported linux for a long time isn’t healthy.

This attempt to exercise control over freely-licensed code was slapped empiaa by Andrew Morton and others, but it left unpleasant memories behind. After few years he started emmpia close bugs and feature requests me28xx “use reiser4” effectively abandoning users and stopped reiserfs support when something went wring he pointed out that the same thing worked perfectly with previous version of kernel and basically refused to debug and fix problems thus abandoning developers.

My first approach was limited to a specific parameter setting which only allowed to receive some TV channels, I realized that and started over again digging further into the V4L and DVB framework. This driver works with a number of video acquisition devices based on Empia chips; many of those are not supported by the kernel now.

Now Markus is back with a driver that, to all appearances, duplicates the functionality of a driver which is already in the mainline kernel. At times, Markus tried to block those changes.

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Now one group the v4l group has taken over without taking other dvb people who managed the project before as a small group before At that time there was no single binary driver available from my side anyway, everything has always been opensource this also has to be considered.

Hans promised to work with the community on Reiserfs and so after long deliberation it was included in kernel.

That’s all water under the bridge. Some time, some sociologist may want to use that material in a thesis about mepia dynamics in open source development Posted Nov 27, Someone could dig into the whole topic at least for a week fulltime.

The sad story of the em28xx driver

The sad story of the em28xx driver Posted Nov 13, Another point here could be what is a kernelspace driver worth which requires firmware and doesn’t come with firmware. Posted Nov 20, What en28xx have here is a classic story of an impedance mismatch between a developer and the development community.

I just want to avoid spending hours on it again. Only after empoa effort was well underway did Markus begin developing yet another in-kernel driver.

CONFIG_VIDEO_EM28XX: Empia EM28xx USB video capture support

Rather, a developer puts code into the mainline so that the whole rest of the world can maintain it. This one also seemed to fail to meet kernel code quality standards last time I checked, mainly due to incorporating large chunks of third-party code. Kernel developers are quite reluctant to include driver which works on subset of hardware just because driver developer is not interested with community work.

Markus Rechberger The sad story of the em28xx driver. It can do some setup steps which the API currently cannot handle. First of all some clarification: It’s not a project for innovative people to work on own ideas that for other open operating systems are better in that case. Failure to merge it risks losing the work that has been done, and, perhaps, losing the future work of a developer who, for all his faults, is clearly trying to provide a better experience for Video4Linux users.

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The sad story of the em28xx driver []

While Markus was working on his own version of the code, others were putting patches into the mainline em28xx driver. It is not empix to see this submission as an attempt to retake control of that driver and, perhaps, restart the discussions from past years. The sad story of the empka driver. Given that, one might well wonder why Markus Rechberger’s recently submitted “empia” driver series is encountering so much resistance.

It would avoid the confusion which can come from having two drivers for the same hardware in the tree, and it would minimize the risk of losing important fixes which have been applied to fmpia in-tree code. The ownership of the em28xx driver, I have a couple of devices here and I know what’s required to get those things work, there are also some requirements about backward compatibility. This will be my last comment about everything unless someone starts to think clear about the whole situation.

Having multiple drivers for the same hardware in the kernel is not an ideal situation, but it is also not without precedent. Well, Marcus’ userspace stuff eem28xx rejected, due to a duplicating existing code in a way that’d make life difficult for developers and b the only real “benefit” being the ability to have closed-source blobs in drivers.