ASoC: imx-ssi: Set dma data early
Move the call to snd_soc_dai_set_dma_data from the hw_params callback to the
startup callback. This allows us to use the dma data in the pcm driver's open
callback.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c
index 01d1f74..dbf43f5f 100644
--- a/sound/soc/imx/imx-ssi.c
+++ b/sound/soc/imx/imx-ssi.c
@@ -233,6 +233,23 @@
return 0;
}
+static int imx_ssi_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai);
+ struct imx_pcm_dma_params *dma_data;
+
+ /* Tx/Rx config */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dma_data = &ssi->dma_params_tx;
+ else
+ dma_data = &ssi->dma_params_rx;
+
+ snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
+
+ return 0;
+}
+
/*
* Should only be called when port is inactive (i.e. SSIEN = 0),
* although can be called multiple times by upper layers.
@@ -242,23 +259,17 @@
struct snd_soc_dai *cpu_dai)
{
struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai);
- struct imx_pcm_dma_params *dma_data;
u32 reg, sccr;
/* Tx/Rx config */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
reg = SSI_STCCR;
- dma_data = &ssi->dma_params_tx;
- } else {
+ else
reg = SSI_SRCCR;
- dma_data = &ssi->dma_params_rx;
- }
if (ssi->flags & IMX_SSI_SYN)
reg = SSI_STCCR;
- snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
-
sccr = readl(ssi->base + reg) & ~SSI_STCCR_WL_MASK;
/* DAI data (word) size */
@@ -343,6 +354,7 @@
}
static const struct snd_soc_dai_ops imx_ssi_pcm_dai_ops = {
+ .startup = imx_ssi_startup,
.hw_params = imx_ssi_hw_params,
.set_fmt = imx_ssi_set_dai_fmt,
.set_clkdiv = imx_ssi_set_dai_clkdiv,