@Gary, you were right on the spelling. It always works best without spelling mistakes (inside "meta-wolfson/conf/layer.conf")
I did indeed meant local.conf, not layer.conf in the build dir. I wanted to use an older kernel because the wolfson audio card for the rpi is distributed as a set of patch dedicated to the 3.10 kernel. But then I tried the build and even with the right kernel, the patch list threw errors. Anyway, I found that cirrus logic just bought wolfson and created a new audio extension for the rpi. So I dumped the idea of the meta-wolfson layer and will start with meta-cirrus. This time the bbappend will have to change the github source directly as cirrus provides the whole kernel (3.12 amongst others...). Well thank you all very much ! Valentin 2015-02-18 17:48 GMT+01:00 Paul Eggleton <paul.eggle...@linux.intel.com>: > On Wednesday 18 February 2015 17:33:26 Valentin Le bescond wrote: > > I tryed editing /meta-wolfson/conf/layer.conf or /build/conf/layer.conf, > > adding : > > PREFERED_VERSION_linux-raspberrypi = "3.10.%" > > > > but neither worked (still using 3.12) > > I assume you tried build/conf/local.conf not build/conf/layer.conf? > > If so, that should have worked. You can run bitbake -e | less and look > through > the history to see what is overriding it if it doesn't work. > > > I endded up editing meta-raspberrypi's machine configuration and it works > > fine. > > > > It's good, but that means I will need to apply this change to every > > building machine I will use, or fork the meta-raspberrypi repo, witch is > > another story. > > I was hoping to keep everything inside my wolfson layer. too bad. > > FWIW, in general forcing a particular kernel version from a layer.conf like > this isn't very good practice. People who use your layer may not expect to > have the kernel version switched just by adding it to their bblayers.conf. > (There may perhaps be mitigating circumstances in this case.) > > Cheers, > Paul > > -- > > Paul Eggleton > Intel Open Source Technology Centre >
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