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Diffstat (limited to 'sound/soc/omap/omap-pcm.c')
-rw-r--r--sound/soc/omap/omap-pcm.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 825db385f01f..bdd1097c7b13 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -60,12 +60,11 @@ static void omap_pcm_dma_irq(int ch, u16 stat, void *data)
60 struct omap_runtime_data *prtd = runtime->private_data; 60 struct omap_runtime_data *prtd = runtime->private_data;
61 unsigned long flags; 61 unsigned long flags;
62 62
63 if ((cpu_is_omap1510()) && 63 if ((cpu_is_omap1510())) {
64 (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)) {
65 /* 64 /*
66 * OMAP1510 doesn't fully support DMA progress counter 65 * OMAP1510 doesn't fully support DMA progress counter
67 * and there is no software emulation implemented yet, 66 * and there is no software emulation implemented yet,
68 * so have to maintain our own playback progress counter 67 * so have to maintain our own progress counters
69 * that can be used by omap_pcm_pointer() instead. 68 * that can be used by omap_pcm_pointer() instead.
70 */ 69 */
71 spin_lock_irqsave(&prtd->lock, flags); 70 spin_lock_irqsave(&prtd->lock, flags);
@@ -189,8 +188,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
189 dma_params.frame_count = runtime->periods; 188 dma_params.frame_count = runtime->periods;
190 omap_set_dma_params(prtd->dma_ch, &dma_params); 189 omap_set_dma_params(prtd->dma_ch, &dma_params);
191 190
192 if ((cpu_is_omap1510()) && 191 if ((cpu_is_omap1510()))
193 (substream->stream == SNDRV_PCM_STREAM_PLAYBACK))
194 omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ | 192 omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ |
195 OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ); 193 OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ);
196 else 194 else
@@ -248,14 +246,15 @@ static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream)
248 dma_addr_t ptr; 246 dma_addr_t ptr;
249 snd_pcm_uframes_t offset; 247 snd_pcm_uframes_t offset;
250 248
251 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { 249 if (cpu_is_omap1510()) {
250 offset = prtd->period_index * runtime->period_size;
251 } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
252 ptr = omap_get_dma_dst_pos(prtd->dma_ch); 252 ptr = omap_get_dma_dst_pos(prtd->dma_ch);
253 offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); 253 offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
254 } else if (!(cpu_is_omap1510())) { 254 } else {
255 ptr = omap_get_dma_src_pos(prtd->dma_ch); 255 ptr = omap_get_dma_src_pos(prtd->dma_ch);
256 offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); 256 offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
257 } else 257 }
258 offset = prtd->period_index * runtime->period_size;
259 258
260 if (offset >= runtime->buffer_size) 259 if (offset >= runtime->buffer_size)
261 offset = 0; 260 offset = 0;