[alsa-devel] pxassp dma pointer not moving

Mark Brown broonie at sirena.org.uk
Mon Feb 23 13:45:19 CET 2009

On Sun, Feb 22, 2009 at 10:07:57PM +0000, Liam Girdwood wrote:

> Can't test on my zylonite atm, but static DMA pointers usually mean data

The zylonite hardware only supports codec as slave, unfortunately.

> is not being clocked out of the SSP FIFO. Can you check you are
> supplying a BCLK and LRC to the SSP port (if codec is BCLK/LRC master)
> or have enabled the PXA SSP master mode (if codec slave).

It's also worth checking that the clocking is OK and that there are enough
BCLKs per LRCLK being generated by the codec if the codec is master.

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