On Sun, 2009-02-22 at 22:47 +0100, Daniel Mack wrote: > Hi, > > I'm currently implementing support for a board based on a PXA300 with an > I2S codec (CS4270) next to it. Things do work in general, including the > setup of the SSP engine and clocks, and when using the OSS compat layer, > I can see data on the bus. With the native ALSA API, however, the DMA > pointer does not move forward but is stuck at position 8. ALSA's core > calls pxa2xx_pcm_pointer() a couple of times and eventually gives up on > it. Unfortunately, I don't have a Zylonite board for cross-check; could > anyone verify that things are not currently broken in a general way? > > My code base is up-to-date to sound-2.6.git/for-2.6.30. Can't test on my zylonite atm, but static DMA pointers usually mean data 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). Liam _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
