On Thu, Mar 28, 2019 at 02:21:47PM -0400, Pierre-Louis Bossart wrote: > > > > +#if IS_ENABLED(CONFIG_SND_SOC_SOF_EDISON) > > > > > > Can we use Merrifield / mrfld instead of EDISON in entire series? > > we could, but I don't know of any other platform than Edison to run the > code. I know it's less accurate from an architecture perspective but felt > Merrifield was confusing for non-Intel folks. We use Merrifield across the entire kernel. It would be confusing other way around. So, please, change it to be consistent with the rest of the kernel. > > And one more question, is there any howto to run a nocodec variant of SOF on > > Intel Merrifield platform? > > I haven't had time to look into this with the slew of comments on v3/v4 and > travel. If you have a working Edison setup with 5.0+, then this should work > as is. Where to get SOF binary, and more interesting where to get sources and howto compile them into binary? > the main issue is going to describe the SSP2 pins with ACPI ASL stuff > to make sure they are in 3.3V and the right pinmux, that's the part that I > keep kicking down the road. When I used Edison with the official built there > was a 'simple' script for the pin-mux, if you have the moral equivalent in > ASL I am all ears I don't know what should be done and where, the pins themselves are in correct mode set by firmware (if no-one touches them as GPIOs): pin 75 (GP40_I2S_2_CLK) mode 1 0x00003221 pin 76 (GP41_I2S_2_FS) mode 1 0x00003221 pin 77 (GP42_I2S_2_RXD) mode 1 0x00003221 pin 78 (GP43_I2S_2_TXD) mode 1 0x00003221 If you talking about Edison/Arduino board and its discrete pin control, we have a mechanism to set it from ASL. -- With Best Regards, Andy Shevchenko _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
