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ASoC: fsi: remove original filter from fsi_dma_probe()

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Remove original filter from fsi_dma_probe(),
and use SH-DMA suitable filter.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Kuninori Morimoto 2013-12-10 20:46:59 -08:00 committed by Mark Brown
parent 1a1c75a798
commit a073278228
1 changed files with 23 additions and 13 deletions
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36
sound/soc/sh/fsi.c
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@ -232,9 +232,9 @@ struct fsi_stream {
* these are for DMAEngine
*/
struct dma_chan *chan;
struct sh_dmae_slave slave; /* see fsi_handler_init() */
struct work_struct work;
dma_addr_t dma;
int dma_id;
int loop_cnt;
int additional_pos;
};
@ -1410,15 +1410,6 @@ static void fsi_dma_do_work(struct work_struct *work)
}
}
static bool fsi_dma_filter(struct dma_chan *chan, void *param)
{
struct sh_dmae_slave *slave = param;
chan->private = slave;
return true;
}
static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io)
{
schedule_work(&io->work);
@ -1446,15 +1437,34 @@ static int fsi_dma_push_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io, struct device *dev)
{
dma_cap_mask_t mask;
int is_play = fsi_stream_is_play(fsi, io);
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
io->chan = dma_request_channel(mask, fsi_dma_filter, &io->slave);
io->chan = dma_request_slave_channel_compat(mask,
shdma_chan_filter, (void *)io->dma_id,
dev, is_play ? "tx" : "rx");
if (io->chan) {
struct dma_slave_config cfg;
int ret;
cfg.slave_id = io->dma_id;
cfg.dst_addr = 0; /* use default addr */
cfg.src_addr = 0; /* use default addr */
cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
ret = dmaengine_slave_config(io->chan, &cfg);
if (ret < 0) {
dma_release_channel(io->chan);
io->chan = NULL;
}
}
if (!io->chan) {
/* switch to PIO handler */
if (fsi_stream_is_play(fsi, io))
if (is_play)
fsi->playback.handler = &fsi_pio_push_handler;
else
fsi->capture.handler = &fsi_pio_pop_handler;
@ -1960,7 +1970,7 @@ static void fsi_handler_init(struct fsi_priv *fsi,
fsi->capture.priv = fsi;
if (info->tx_id) {
fsi->playback.slave.shdma_slave.slave_id = info->tx_id;
fsi->playback.dma_id = info->tx_id;
fsi->playback.handler = &fsi_dma_push_handler;
}
}