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Diffstat (limited to 'sound/arm')
-rw-r--r--sound/arm/mxc-alsa-spdif.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/sound/arm/mxc-alsa-spdif.c b/sound/arm/mxc-alsa-spdif.c
index 93a34cd03e11..ae48051b49e8 100644
--- a/sound/arm/mxc-alsa-spdif.c
+++ b/sound/arm/mxc-alsa-spdif.c
@@ -257,6 +257,7 @@ struct mxc_spdif_device {
* SPDIF module register base address
*/
unsigned long __iomem *reg_base;
+ unsigned long reg_phys_base;
/*!
* spdif tx available or not
@@ -943,8 +944,9 @@ static void spdif_stop_tx(struct mxc_spdif_stream *s)
*/
static void spdif_start_tx(struct mxc_spdif_stream *s)
{
- struct snd_pcm_substream *substream;
- struct snd_pcm_runtime *runtime;
+ struct snd_pcm_substream *substream = s->stream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_spdif_device *chip = snd_pcm_substream_chip(substream);
unsigned int dma_size = 0;
unsigned int offset;
int ret = 0;
@@ -960,7 +962,7 @@ static void spdif_start_tx(struct mxc_spdif_stream *s)
(NULL, runtime->dma_area + offset, dma_size,
DMA_TO_DEVICE));
- dma_request.dst_addr = (dma_addr_t) (SPDIF_BASE_ADDR + 0x2c);
+ dma_request.dst_addr = (dma_addr_t) (chip->reg_phys_base + 0x2c);
dma_request.num_of_bytes = dma_size;
mxc_dma_config(s->dma_wchannel, &dma_request, 1,
@@ -1279,15 +1281,14 @@ static void spdif_stop_rx(struct mxc_spdif_stream *s)
*/
static void spdif_start_rx(struct mxc_spdif_stream *s)
{
- struct snd_pcm_substream *substream;
- struct snd_pcm_runtime *runtime;
+ struct snd_pcm_substream *substream = s->stream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_spdif_device *chip = snd_pcm_substream_chip(substream);
unsigned int dma_size = 0;
unsigned int offset;
int ret = 0;
mxc_dma_requestbuf_t dma_request;
- substream = s->stream;
- runtime = substream->runtime;
memset(&dma_request, 0, sizeof(mxc_dma_requestbuf_t));
if (s->active) {
@@ -1305,7 +1306,7 @@ static void spdif_start_rx(struct mxc_spdif_stream *s)
DMA_FROM_DEVICE));
dma_request.src_addr =
- (dma_addr_t) (SPDIF_BASE_ADDR + SPDIF_REG_SRL);
+ (dma_addr_t) (chip->reg_phys_base + SPDIF_REG_SRL);
dma_request.num_of_bytes = dma_size;
/* config and enable sdma for RX */
mxc_dma_config(s->dma_wchannel, &dma_request, 1,
@@ -2089,6 +2090,7 @@ static int mxc_alsa_spdif_probe(struct platform_device
chip = card->private_data;
chip->card = card;
card->dev = &pdev->dev;
+ chip->reg_phys_base = res->start;
chip->reg_base = ioremap(res->start, res->end - res->start + 1);
spdif_base_addr = (unsigned long)chip->reg_base;
plat_data = (struct mxc_spdif_platform_data *)pdev->dev.platform_data;