On Wed, 10 Apr 2013, Barry Song wrote: > 2013/4/10 Guennadi Liakhovetski <g.liakhovetski@xxxxxx>: > > On Wed, 10 Apr 2013, Barry Song wrote: [snip] > >> > This cannot work, because some I2C devices, e.g. sensors, need a clock > >> > signal from the camera interface to probe. Before the bridge driver has > >> > completed its probing and registered a suitable clock source with the > >> > v4l2-clk framework, sensors cannot be probed. And no, we don't want to > >> > fake successful probing without actually being able to talk to the > >> > hardware. > >> > >> i'd say same dependency also exists on ASoC. a "fake" successful > >> probing doesn't mean it should really begin to work if there is no > >> external trigger source. ASoC has successfully done that by a machine > >> driver to connect all DAI. > >> a way is we put all things ready in their places, finally we connect > >> them together and launch the whole hardware flow. > >> > >> anyway, if you have maken the things work by some simple hacking and > >> that means minimial changes to current soc-camera, i think we can > >> follow. > > > > If you want to volunteer to step up as a new soc-camera maintainer to > > replace my simple hacking with your comprehencive and advanced designs - > > feel free, I'll ack straight away. > > i am not sure whether you agree the new way or not. if you also agree > this is a better way, In fact I don't. > i think we can do something to move ahead. i > need sync and get input from you expert :-) I suggest you read all the mailing list discussions of these topics over last months / years, conference discussion protocols instead of restarting a beaten to death topic at the v8 time-frame. Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
