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ASoC: fsi: bugfix: correct dma area 

FSI driver is using dma_sync_single_xxx(),
but the dma area was not correct.
This patch fix it up.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kuninori Morimoto 2012-05-28 23:27:49 -07:00 committed by Mark Brown
parent e42bb9bfbb
commit 4a1b09b79b
1 changed files with 9 additions and 9 deletions
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18
sound/soc/sh/fsi.c
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@ -1052,6 +1052,13 @@ static int fsi_dma_quit(struct fsi_priv *fsi, struct fsi_stream *io)
return 0;
}
static dma_addr_t fsi_dma_get_area(struct fsi_stream *io)
{
struct snd_pcm_runtime *runtime = io->substream->runtime;
return io->dma + samples_to_bytes(runtime, io->buff_sample_pos);
}
static void fsi_dma_complete(void *data)
{
struct fsi_stream *io = (struct fsi_stream *)data;
@ -1061,7 +1068,7 @@ static void fsi_dma_complete(void *data)
enum dma_data_direction dir = fsi_stream_is_play(fsi, io) ?
DMA_TO_DEVICE : DMA_FROM_DEVICE;
dma_sync_single_for_cpu(dai->dev, io->dma,
dma_sync_single_for_cpu(dai->dev, fsi_dma_get_area(io),
samples_to_bytes(runtime, io->period_samples), dir);
io->buff_sample_pos += io->period_samples;
@ -1078,13 +1085,6 @@ static void fsi_dma_complete(void *data)
snd_pcm_period_elapsed(io->substream);
}
static dma_addr_t fsi_dma_get_area(struct fsi_stream *io)
{
struct snd_pcm_runtime *runtime = io->substream->runtime;
return io->dma + samples_to_bytes(runtime, io->buff_sample_pos);
}
static void fsi_dma_do_tasklet(unsigned long data)
{
struct fsi_stream *io = (struct fsi_stream *)data;
@ -1110,7 +1110,7 @@ static void fsi_dma_do_tasklet(unsigned long data)
len = samples_to_bytes(runtime, io->period_samples);
buf = fsi_dma_get_area(io);
dma_sync_single_for_device(dai->dev, io->dma, len, dir);
dma_sync_single_for_device(dai->dev, buf, len, dir);
sg_init_table(&sg, 1);
sg_set_page(&sg, pfn_to_page(PFN_DOWN(buf)),