Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next

 *

 */

#include <linux/pm_runtime.h>

#include <linux/shdma-base.h>

#include "rsnd.h"

#define RSND_RATES SNDRV_PCM_RATE_8000_96000

	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,

		  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");

	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;

	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,