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Subject[PATCH 08/13] ASoC: generic-dmaengine-pcm: Clear slave_config memory
Date
We currently assume that the DMA Slave Config will be fully populated
by the platform, however some DMA Engines make decisions based on zero
(default) flags such as DMA_SLAVE_BUSWIDTH_UNDEFINED and as this is a
static declaration we need to memset it to clear the data area.

Cc: alsa-devel@alsa-project.org
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
sound/soc/soc-generic-dmaengine-pcm.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index ee07903..6ad4c7a 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -90,6 +90,8 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,
struct dma_slave_config slave_config;
int ret;

+ memset(&slave_config, 0, sizeof(slave_config));
+
if (!pcm->config)
prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
else
--
1.8.1.2


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