Hi Mark, On 29-03-2016 19:22, Mark Brown wrote: > On Tue, Mar 29, 2016 at 07:03:01PM +0100, Jose Abreu wrote: > >> The major part of this patch is the adding of an ALSA platform driver so that >> audio comes out of the box in AXS boards but we also added functionalities to >> the i2s driver and performed one bug fix related with the mask/unmask of >> interrupts. I will split the patches but they will depend on each other. > If you want to add a new platform driver you need to add a new platform > driver, not shove the code into an existing driver for a seperate IP. > I can separate the platform driver into a new file but they will have to be compiled into the same module as the new additions to the i2s driver depend on functions of the platform driver (see i2s_irq_handler()). Or should I divide this into two modules and add a Kconfig option to the platform driver? Besides this I first wanted the driver to be compiled into the same module so that it is compatible with kernel 3.18 where simple audio card requires that platform driver == cpu driver. Best regards, Jose Miguel Abreu