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Diffstat (limited to 'sound/soc/omap/omap-pcm.c')
-rw-r--r--sound/soc/omap/omap-pcm.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 825db385f01..1e521904ea6 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -23,6 +23,7 @@
*/
#include <linux/dma-mapping.h>
+#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -60,12 +61,11 @@ static void omap_pcm_dma_irq(int ch, u16 stat, void *data)
struct omap_runtime_data *prtd = runtime->private_data;
unsigned long flags;
- if ((cpu_is_omap1510()) &&
- (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)) {
+ if ((cpu_is_omap1510())) {
/*
* OMAP1510 doesn't fully support DMA progress counter
* and there is no software emulation implemented yet,
- * so have to maintain our own playback progress counter
+ * so have to maintain our own progress counters
* that can be used by omap_pcm_pointer() instead.
*/
spin_lock_irqsave(&prtd->lock, flags);
@@ -100,9 +100,11 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct omap_runtime_data *prtd = runtime->private_data;
- struct omap_pcm_dma_data *dma_data = rtd->dai->cpu_dai->dma_data;
+ struct omap_pcm_dma_data *dma_data;
int err = 0;
+ dma_data = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
+
/* return if this is a bufferless transfer e.g.
* codec <--> BT codec or GSM modem -- lg FIXME */
if (!dma_data)
@@ -189,8 +191,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
dma_params.frame_count = runtime->periods;
omap_set_dma_params(prtd->dma_ch, &dma_params);
- if ((cpu_is_omap1510()) &&
- (substream->stream == SNDRV_PCM_STREAM_PLAYBACK))
+ if ((cpu_is_omap1510()))
omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ |
OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ);
else
@@ -248,14 +249,15 @@ static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream)
dma_addr_t ptr;
snd_pcm_uframes_t offset;
- if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+ if (cpu_is_omap1510()) {
+ offset = prtd->period_index * runtime->period_size;
+ } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
ptr = omap_get_dma_dst_pos(prtd->dma_ch);
offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
- } else if (!(cpu_is_omap1510())) {
+ } else {
ptr = omap_get_dma_src_pos(prtd->dma_ch);
offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
- } else
- offset = prtd->period_index * runtime->period_size;
+ }
if (offset >= runtime->buffer_size)
offset = 0;