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authorMark Brown <broonie@linaro.org>2013-11-03 22:04:19 -0800
committerMark Brown <broonie@linaro.org>2013-11-03 22:04:19 -0800
commit97fa413305bf04a9c43c032099d1254455a997b3 (patch)
tree166e54f56cea5089b90e6d9359282835d4d865e2 /sound/soc/sh
parent07ad822c213d2d0d1a9c26fd06c85a60f62c194d (diff)
parent9ade09d6c62e48fba6c74ce3958ca1035dfd8427 (diff)
downloadtalos-obmc-linux-97fa413305bf04a9c43c032099d1254455a997b3.tar.gz
talos-obmc-linux-97fa413305bf04a9c43c032099d1254455a997b3.zip
Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next
Diffstat (limited to 'sound/soc/sh')
-rw-r--r--sound/soc/sh/rcar/core.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index b234ed663073..78c35b44fc04 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -94,6 +94,7 @@
*
*/
#include <linux/pm_runtime.h>
+#include <linux/shdma-base.h>
#include "rsnd.h"
#define RSND_RATES SNDRV_PCM_RATE_8000_96000
@@ -209,13 +210,6 @@ int rsnd_dma_available(struct rsnd_dma *dma)
return !!dma->chan;
}
-static bool rsnd_dma_filter(struct dma_chan *chan, void *param)
-{
- chan->private = param;
-
- return true;
-}
-
int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
int is_play, int id,
int (*inquiry)(struct rsnd_dma *dma,
@@ -223,7 +217,9 @@ int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
int (*complete)(struct rsnd_dma *dma))
{
struct device *dev = rsnd_priv_to_dev(priv);
+ struct dma_slave_config cfg;
dma_cap_mask_t mask;
+ int ret;
if (dma->chan) {
dev_err(dev, "it already has dma channel\n");
@@ -233,15 +229,23 @@ int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
- dma->slave.shdma_slave.slave_id = id;
-
- dma->chan = dma_request_channel(mask, rsnd_dma_filter,
- &dma->slave.shdma_slave);
+ dma->chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
+ (void *)id, dev,
+ is_play ? "tx" : "rx");
if (!dma->chan) {
dev_err(dev, "can't get dma channel\n");
return -EIO;
}
+ cfg.slave_id = id;
+ cfg.dst_addr = 0; /* use default addr when playback */
+ cfg.src_addr = 0; /* use default addr when capture */
+ cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
+
+ ret = dmaengine_slave_config(dma->chan, &cfg);
+ if (ret < 0)
+ goto rsnd_dma_init_err;
+
dma->dir = is_play ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
dma->priv = priv;
dma->inquiry = inquiry;
@@ -249,6 +253,11 @@ int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
INIT_WORK(&dma->work, rsnd_dma_do_work);
return 0;
+
+rsnd_dma_init_err:
+ rsnd_dma_quit(priv, dma);
+
+ return ret;
}
void rsnd_dma_quit(struct rsnd_priv *priv,
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