On Tue, May 09, 2017 at 09:57:14AM -0500, Pierre-Louis Bossart wrote: > On 5/9/17 9:45 AM, Paulo Sergio wrote: > >>>>How are you setting up the I2S? As in which side is master, what > >>>>format are you using? Also do you see any over/underflow error, > >>>>does the system complain with "Error playing sample". > >>> > >>> > >>>The only part where I2S is explicity used on machine driver is this > >>>setting on backend DAI (SSP0-Codec) > >>> > >>>dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF > >>>| SND_SOC_DAIFMT_CBS_CFS, > >>> > >>>And after setting the routes using routes mentioned on [3], I have no > >>>errors, but no sound > >>> > >>>Note: Based on Lenovo code, I concluded this device uses ssp0, so I'm > >>>using a fw file "fw_sst_0f28_ssp0.bin" posted another thread. > >>>Could use the hacks used on kernel 4.11, but as I'm still testing with > >>>kernel 4.4, using this fw would make things easier > >> > >> > >>nope. I don't know how many issues we've fixed since 4.4 but it's not a > >>matter of just swapping out one firmware with another. You'll have better > >>luck with plain vanilla 4.11 + regular firmware and restarting modifying one > >>of the latest machine drivers. > > > >Ok, I'll use 4.11 and post the results later > > > >Should I have any special care about I2S other than setting the format > >um backend DAI? > >Some module should be loaded? > > Things to look for > - SSP routing: has to be SSP0 on baytrail-CR > - number of slots: 2 or 4. if 4 then use DSP mode > - DAI format > - MCLK > > If I can get my hands on a WM5102 eval board I might be able to help with a > MinnowMax board. If you really want one I can ask about see if we can send you one over? Thanks, Charles _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
