[Adding Roberto in the thread as he is also trying to get SSI TDM support/ On Tue, Oct 27, 2015 at 2:45 PM, Fabio Estevam <festevam@xxxxxxxxx> wrote: > On Tue, Oct 27, 2015 at 2:42 PM, Caleb Crome <caleb@xxxxxxxxx> wrote: >> On Tue, Oct 27, 2015 at 9:10 AM, Fabio Estevam <festevam@xxxxxxxxx> wrote: >>> On Tue, Oct 27, 2015 at 2:02 PM, Caleb Crome <caleb@xxxxxxxxx> wrote: >>> >>>>> Could you please try it without using the external SDMA firmware? >>>> >>>> I do need *some* SDMA firmware, correct? The firmware that I'm using >>>> ends up in /lib/firmware/imx/sdma/sdma-imx6q.bin and is md5sum >>>> 5d4584134cc4cba62e1be2f382cd6f3a. >>> >>> SSI can operate with the ROM SDMA firmware. >>> >>> I would like to know if this issue also happens if you don't pass the >>> external firmware and use the internal ROM SDMA firmware instead. >> >> Ah, good to know. Do I just remove reference in the .dtsi file? >> Remove the file from the filesystem? I'll do both to be doubly sure >> :-) > > Just remove it from the rootfs. Then you will see a message from the > kernel saying that no external SDMA firmware could be found and that > the internal one is going to be used. > >>> Also, could you try bumping the SSI and SDMA clock rates at the maximum? >> >> Any idea how I do that? I guess it's in the .dtsi file perhaps? I'll >> poke around. > > You can try to call clk_set_rate() with the maximum allowed frequency > inside the ssi driver. I don't recall on top of my head what is this > value though. > > Regards, > > Fabio Estevam _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
