On Thu, Jan 21, 2016 at 11:10:50PM +0000, Dan O'Donovan wrote: > (Sorry, re-sending as I wasn't subscribed to the alsa-devel mailing > list on my previous attempt) > > Hi Vinod > > I am currently attempting to use the SSP0 port on an Intel X5-Z8300 > SoC (Cherry Trail) with a new codec. > > I have seen that you have committed SST firmware 'fw_sst_22a8.bin' > and related SST audio soc drivers in the past, so I hope you don't > mind if I ask you some questions about it here. > > Primarily, I am wondering if there are any limitations imposed by > that firmware binary that I need to be aware of. I haven't been able > to find much information about what this firmware does or doesn't > support. That binary is not for CHT. Each Bin is specfic to a platform. I have the BYT and BSW versions, but not CHT > > For example, existing CHT SST machine drivers suggest that the PCM > bit clock is fixed at 19.2MHz. Yes, the MCLK will be 19.2 here > Also, I am wondering if all SSP ports on the SoC are supported by > that firmware, or if it is limited to just SSP2? SSP2, for SSP0 we need to get a new version > Are there any other limitations that I may need to be aware of in > the firmware (or in the SSP back-end driver) when attempting to > connect a new codec (TI PCM5122 initially) to SSP0. Bigger pole will be getting the firmware. Usually we support I2S and TDM modes HTH -- ~Vinod _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
