At Thu, 15 May 2008 09:21:02 +0200, Clemens Ladisch wrote: > > Pavel Hofman wrote: > > Actually, when does the MPU_TX interrupt get thrown? Upon exhausting > > some output buffer? > > According to the datasheet, when the number of bytes in the TX FIFO goes > below the watermark value (for some unspecified value of "below"). > > Is there a reason why the watermarks are set to 1 and not to 0? We got TX IRQ storm when it was 0, according to Pavel. > Anyway, this hardware is not compatible with the MPU-401, so we should > not try to twist the MPU-401 code into working with it. Agreed. I thought it's enough similar to the real MPU401, but it's getting nastier. thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel