summaryrefslogtreecommitdiffstats
path: root/sound/soc/omap
diff options
context:
space:
mode:
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
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')
-rw-r--r--sound/soc/omap/omap-mcbsp.c4
-rw-r--r--sound/soc/omap/omap-mcpdm.c3
-rw-r--r--sound/soc/omap/omap-pcm.c4
3 files changed, 8 insertions, 3 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 0199e95a5d6..2d33a89f147 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 */
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index 25f19e4728b..b7f4f7e015f 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c
@@ -150,7 +150,8 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream,
int stream = substream->stream;
int channels, err, link_mask = 0;
- cpu_dai->dma_data = &omap_mcpdm_dai_dma_params[stream];
+ snd_soc_dai_set_dma_data(cpu_dai, substream,
+ &omap_mcpdm_dai_dma_params[stream]);
channels = params_channels(params);
switch (channels) {
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 825db385f01..39538c0f81f 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -100,9 +100,11 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct omap_runtime_data *prtd = runtime->private_data;
- struct omap_pcm_dma_data *dma_data = rtd->dai->cpu_dai->dma_data;
+ struct omap_pcm_dma_data *dma_data;
int err = 0;
+ dma_data = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
+
/* return if this is a bufferless transfer e.g.
* codec <--> BT codec or GSM modem -- lg FIXME */
if (!dma_data)