2013/4/10 Guennadi Liakhovetski <g.liakhovetski@xxxxxx>: > 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. you think it has been dead but i think it is still alive since there are still sombody like me starting a beaten for that. anyway, it doesn't really matter too much. i can definitely follow what you like as you have succefully built a good soc-camera system. > > Thanks > Guennadi > --- > Guennadi Liakhovetski, Ph.D. > Freelance Open-Source Software Developer > http://www.open-technology.de/ -barry -- 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
