> -----Original Message----- > From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap- > owner@xxxxxxxxxxxxxxx] On Behalf Of twebb > Sent: Wednesday, April 22, 2009 12:58 PM > Problem 2: > Test tone is being presented by the user application, providing a 1Khz > tone sampled at 44.1Khz. The data are S16_LE, right channel only. Left > channel is quiet. The data seems to slip back and forth from left to > right channel. This is reproducable and verified with a scope trace. I recollect this issue from years back of OSS driver -> i2s is configured as dual phase - mcbsp sends data on both edges, and if the data write happen on the wrong edge for the wrong phase, we might get mix up.. if I recollect right, configuration for mcbsp was done as a single phase with the right edge as a trigger for transfer, the transfer size was set as 32 bytes (both channels).. this essentially guarentees that mcbsp will never mix up channels. Regards, Nishanth Menon _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
