On Wed, 2015-08-26 at 08:29 +0000, Jie, Yang wrote: > > -----Original Message----- > > From: Liam Girdwood [mailto:liam.r.girdw...@linux.intel.com]
> > I think the options are to either :- > > > > 1) Don not support audio DSP drivers using topology data as built-in > > drivers. > > Audio is not really a critical system required for booting anyway. > > > > 2) Create a default PCM for every driver that has topology data on the > > assumption that every sound card will at least 1 PCM. This PCM can then be > > re-configured when the FW is loaded. > > Yep, this case is quite similar with what Linus described. > > Is it possible that we can probe pcm device after firmware is loaded for this > case? > The PCM devices are defined in the topology data so it is only possible to create the PCM device *after* the firmware is loaded in these drivers. Liam -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/