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authorDaniel Mack <daniel@caiaq.de>2010-03-19 14:52:55 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-03-19 19:37:29 +0000
commitfd23b7dee5e4d369f620979cb120f53629389355 (patch)
treebbfa4637b0b97662b8ee63922eccb01913baaf1d /sound/soc/omap/omap-mcbsp.c
parent093208f5d03980d7216b706e3c54432d0f299e26 (diff)
ASoC: move dma_data from snd_soc_dai to snd_soc_pcm_stream
This fixes a memory corruption when ASoC devices are used in full-duplex mode. Specifically for pxa-ssp code, where this pointer is dynamically allocated for each direction and destroyed upon each stream start. All other platforms are fixed blindly, I couldn't even compile-test them. Sorry for any breakage I may have caused. Reported-by: Sven Neumann <s.neumann@raumfeld.com> Reported-by: Michael Hirsch <m.hirsch@raumfeld.com> Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Jarkko Nikula <jhnikula@gmail.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
-rw-r--r--sound/soc/omap/omap-mcbsp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 0199e95a5d63..2d33a89f147a 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -322,7 +322,9 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
omap_mcbsp_dai_dma_params[id][substream->stream].sync_mode = sync_mode;
omap_mcbsp_dai_dma_params[id][substream->stream].data_type =
OMAP_DMA_DATA_TYPE_S16;
- cpu_dai->dma_data = &omap_mcbsp_dai_dma_params[id][substream->stream];
+
+ snd_soc_dai_set_dma_data(cpu_dai, substream,
+ &omap_mcbsp_dai_dma_params[id][substream->stream]);
if (mcbsp_data->configured) {
/* McBSP already configured by another stream */