[alsa-devel] [PATCH] ASoC: samsung: Ensure DMA data is initialised for secondary DAI
Mark Brown
broonie at kernel.org
Thu Dec 5 15:13:57 CET 2013
From: Mark Brown <broonie at linaro.org>
While testing the upcoming dmaengine conversion for the driver Padma
noticed that the DMA data for the secondard DAI is not being correctly
initialised and provided a fix on top of the conversion. Also do this
fix for mainline.
Reported-by: Padmavathi Venna <padma.v at samsung.com>
Signed-off-by: Mark Brown <broonie at linaro.org>
Cc: stable at vger.kernel.org
---
Compile tested only, I don't have hardware to test.
sound/soc/samsung/i2s.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index a5cbdb4f1655..f9f2227421ea 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -946,8 +946,11 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
struct i2s_dai *i2s = to_info(dai);
struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;
- if (other && other->clk) /* If this is probe on secondary */
+ if (other && other->clk) { /* If this is probe on secondary */
+ snd_soc_dai_init_dma_data(dai, &other->sec_dai->dma_playback,
+ NULL);
goto probe_exit;
+ }
i2s->addr = ioremap(i2s->base, 0x100);
if (i2s->addr == NULL) {
--
1.8.5.1
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