From mboxrd@z Thu Jan 1 00:00:00 1970 From: festevam@gmail.com (Fabio Estevam) Date: Wed, 15 Feb 2017 08:36:01 -0200 Subject: sDMA on i.mx7d In-Reply-To: References: <20170214222425.hbkfkeq3l6sveo7n@piout.net> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Alexandre, On Wed, Feb 15, 2017 at 5:25 AM, Stefan Agner wrote: > Hi Alexandre, > > On 2017-02-14 14:24, Alexandre Belloni wrote: >> Hi, >> >> I've been trying to get a PCM3168s codec with a Colibri iMX7 using TDM >> on SAI2. >> I've got it working properly with the 4.1.35 kernel from Toradex (based >> on the 4.1.15 from Freescale). >> It is working fine with and without providing a firmware to the sDMA. >> >> But, I couldn't get that to work with v4.9. I actually managed to >> reproduce the issue using the SGTL5000 so I don't have any patch on top >> of v4.9. > > I guess you are using the on module SGTL5000 to reproduce? > > When I added audio support I remember that the sound seemed to be ok to > me. Is the corruption such that you can hear it? I haven't noticed this issue on a warp7 board. Could you please share your .wav files and reproduction steps? Thanks