On Tue, May 3, 2016 at 5:24 AM, Fabio Estevam <festevam@xxxxxxxxx> wrote: > On Tue, May 3, 2016 at 9:13 AM, Arnaud Mouiche > <arnaud.mouiche@xxxxxxxxxxx> wrote: >> If the capture is already running while playback is started, it is highly >> probable (>80% in a 8 channels scenario) that samples are lost between >> the DMA and TX fifo. >> >> The reason is that SIER.TDMAE is set before STCR.TFEN0, leaving a time >> window where the FIFO doesn't receive the samples written by the DMA. >> >> This particular case happened only if capture is already enabled as >> SCR.SSIEN is already set at the playback startup instant. >> >> Signed-off-by: Arnaud Mouiche <arnaud.mouiche@xxxxxxxxxxx> > > Reviewed-by: Fabio Estevam <fabio.estevam@xxxxxxx> Tested-by: Caleb Crome <caleb@xxxxxxxxx> _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
