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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-04-05 14:19:32 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-04-05 14:19:32 -0400
commit53a61d967a480307db4c8f7950ddb8bb1a0fda9b (patch)
tree6b3ce07b14db2986a175f30e6477ed40445c7c17 /sound/soc/omap
parent8876698406147986a9a7748586a54c4b14514c0e (diff)
parent5f712b2b73a9fc87fcc52124cfe8adefaa0c92f5 (diff)
Merge branch 'for-2.6.34' into for-2.6.35
Conflicts due to context changes next to the backported DMA data change: include/sound/soc.h
Diffstat (limited to 'sound/soc/omap')
-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 39538c0f81f0..39456447132c 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);
@@ -191,8 +190,7 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream)
191 dma_params.frame_count = runtime->periods; 190 dma_params.frame_count = runtime->periods;
192 omap_set_dma_params(prtd->dma_ch, &dma_params); 191 omap_set_dma_params(prtd->dma_ch, &dma_params);
193 192
194 if ((cpu_is_omap1510()) && 193 if ((cpu_is_omap1510()))
195 (substream->stream == SNDRV_PCM_STREAM_PLAYBACK))
196 omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ | 194 omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ |
197 OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ); 195 OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ);
198 else 196 else
@@ -250,14 +248,15 @@ static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream)
250 dma_addr_t ptr; 248 dma_addr_t ptr;
251 snd_pcm_uframes_t offset; 249 snd_pcm_uframes_t offset;
252 250
253 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { 251 if (cpu_is_omap1510()) {
252 offset = prtd->period_index * runtime->period_size;
253 } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
254 ptr = omap_get_dma_dst_pos(prtd->dma_ch); 254 ptr = omap_get_dma_dst_pos(prtd->dma_ch);
255 offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); 255 offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
256 } else if (!(cpu_is_omap1510())) { 256 } else {
257 ptr = omap_get_dma_src_pos(prtd->dma_ch); 257 ptr = omap_get_dma_src_pos(prtd->dma_ch);
258 offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); 258 offset = bytes_to_frames(runtime, ptr - runtime->dma_addr);
259 } else 259 }
260 offset = prtd->period_index * runtime->period_size;
261 260
262 if (offset >= runtime->buffer_size) 261 if (offset >= runtime->buffer_size)
263 offset = 0; 262 offset = 0;