Hi Maciej, On Thu, Oct 6, 2016 at 11:48 AM, Maciej S. Szmigiero <mail@xxxxxxxxxxxxxxxxxxxxx> wrote: > I assume that you tested older kernel on this board and got proper output > there. Yes, I tested audio on Udoo's 3.14 kernel and it plays well. > Even if you don't get any sound is playing time correct - that is > does for example 30 second file play for 30 seconds? > If not then it might be DMA or sampling rate setup problem. Yes, the timing seems to be correct. > Is the AC'97 codec model detected correctly > (/proc/asound/card0/codec97#0/ac97#0-0)? > If not then it might be some problem with accessing AC'97 regs > (like SSI clock not running). alsamixer reports: Chip: VIA Technologies VIA1613 rev 3. > You can also try to revert > http://www.spinics.net/lists/alsa-devel/msg54983.html to go back > to RB tree register cache, maybe this will help. > > I have tried to run today's linux-next on my UDOO board but it crashes > at boot somewhere in imx6q_pm_pu_power_off(), so unfortunately can't > test it for now. I see the same issue with 4.7.6. Are you able to get audio working with kernel 4.7.6? Thanks, Fabio Estevam _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel