On Wed, Jun 29, 2016 at 09:50:24PM +0300, Alexander Shiyan wrote: > >Среда, 29 июня 2016, 21:26 +03:00 от Nicolin Chen <nicoleotsuka@xxxxxxxxx>: > > > >On Wed, Jun 29, 2016 at 10:52:01AM +0300, Alexander Shiyan wrote: > > > >> >your failed case. Could you please tell me what were the FSclk, > >> >BITclk and size of your case? > > > >> Here is my oscillograms with/without patch: > >> Bclk=12 MHz, sound is just a "cat /dev/urandom > /dev/dsp", i.e. FS=8 KHz, MONO. > >> Upper (yellow) line is TXDATA, Lower (blue) is FS. > >> > >> Measurement without patch: https://cloud.mail.ru/public/Rcsv/xr88V5Sa1 > >> Measurement with patch: https://cloud.mail.ru/public/NCwn/DQnzioQEL > > > >Thanks for the reply. So in the case without patch, it looks like > >SSI just sent the data ignoring the slot size right? > > I could be wrong, but think that WL (word length) still point to number of valid > data bits within 32bit chunk (as defined for I2S-Master mode), > but since DC=0, this cause to send next word to the channel again and again. I see. Thanks for the fix. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
