Le mardi 07 juillet 2015 à 14:13 +0200, Alban Browaeys a écrit : > Le mardi 07 juillet 2015 à 20:53 +0900, Krzysztof Kozlowski a écrit > > > > > I am not quite sure what bug you are trying to fix here. It isn't > > described in commit message. Also I don't get why the residue=0 is > > being removed. This will break the residue calculation... > > > > Some time ago I posted a patch fixing sound issues on Odroid XU3. > > Today Vinod applied it: > > https://git.kernel.org/cgit/linux/kernel/git/vkoul/slave > > -dma.git/commit/?h=fixes&id=5dd90e5b91e0f5c925b12b132c7cd2753887025 > > 6 > > > > I don't know if this is the same issue... can you describe exactly > > what you are trying to fix, why and how? > > > > > > This was about "choppy sound" issue left after the dma pause fix: > https://www.mail-archive.com/linux-samsung > -soc%40vger.kernel.org/msg44567.html > > From a glance at the commit you mention I would say it is the same > issue. Will try this commit instead in a few hours and report. The commit of yours, that is https://git.kernel.org/cgit/linux/kernel/git/vkoul/slave-dma.git/commit /?h=fixes&id=5dd90e5b91e0f5c925b12b132c7cd2753887025 , fixes Odroid U2/U3 "choppy sound" too. Thanks. Alban > > > choppy sound) on Odroid XU3-Lite. On current linux-next > > (next-20150612) the sound is awful (choppy) after few seconds of > > play. > > For example first four of: > > $ aplay /usr/share/sounds/alsa/Front_Right.wav > > work fine. But then it just gets worse and underruns are reported: > > $ Playing WAVE '/usr/share/sounds/alsa/Front_Right.wav' : Signed 16 > > bit Little Endian, Rate 48000 Hz, Mono -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
