Gigabeat S: Implement an SDMA API and use it in the PCM driver. Some other miscellaneous adjustments to recording and PCM buffer to accomodate use of physical addresses and cache coherency.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19949 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 5 insertions, 0 deletions

diff --git a/apps/pcmbuf.c b/apps/pcmbuf.c
index 99e56d160d..6e2234880e 100644
--- a/apps/pcmbuf.c
+++ b/apps/pcmbuf.c
@@ -1001,6 +1001,11 @@ void pcmbuf_beep(unsigned int frequency, size_t duration, int amplitude)
         /* Give 5ms clearance. */    
         bufstart += NATIVE_FREQUENCY * 4 / 200;
 
+#ifdef HAVE_PCM_DMA_ADDRESS
+        /* Returned peak addresses are DMA addresses */
+        bufend = pcm_dma_addr(bufend);
+#endif
+
         /* Wrapped above? */
         if (bufstart >= bufend)
             bufstart -= pcmbuf_size;