diff options
Diffstat (limited to 'sound/arm/mxc-alsa-spdif.c')
| -rw-r--r-- | sound/arm/mxc-alsa-spdif.c | 18 |
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; |