On 05/20/2016 02:30 PM, kernel@xxxxxxxxxxxxxxxx wrote: > From: Martin Sperl <kernel@xxxxxxxxxxxxxxxx> > > Simple_card does require under some circumstances the ability > to configure certain hw_parameters based on clocks, bits, channels. > > This patchset adds a generic way to configure these kind of things > via the device tree easily. This patchset implements this > for simple_card, but other drivers can just as easily make use of > this. > > For now we have the following matchers and actions: > * matchers: > * match_sample_bits > * match_rate > * match_channels > * actions: > * set_fixed_bclk_size > > As a note: the available matching rules and action rules right now > are hard-coded, but this could in principle get extended to be more > dynamic via kallsyms_lookup_name that would lookup the requested > symbol and assume it is a struct asoc_generic_hw_params_method, > on which it could apply several sanity-checks before using > the pointers for real. How about allowing to embed eBPF bytecode in the DT that can be installed as a constraint set? This would allow maximum for flexibility and also make the implementation a lot easier. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
