1 files changed, 8 insertions, 7 deletions

diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index c3c931d4537a..3e3a9d478c0d 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -59,16 +59,18 @@ 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()) {
+        if ((cpu_is_omap1510()) &&
+                        (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)) {
                 /*
-                 * OMAP1510 doesn't support DMA chaining so have to restart
-                 * the transfer after all periods are transferred
+                 * 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
+                 * that can be used by omap_pcm_pointer() instead.
                  */
                 spin_lock_irqsave(&prtd->lock, flags);
                 if (prtd->period_index >= 0) {
                         if (++prtd->period_index == runtime->periods) {
                                 prtd->period_index = 0;
-                                omap_start_dma(prtd->dma_ch);
                         }
                 }
                 spin_unlock_irqrestore(&prtd->lock, flags);
@@ -100,7 +102,7 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream,
         prtd->dma_data = dma_data;
         err = omap_request_dma(dma_data->dma_req, dma_data->name,
                                omap_pcm_dma_irq, substream, &prtd->dma_ch);
-        if (!err && !cpu_is_omap1510()) {
+        if (!err) {
                 /*
                  * Link channel with itself so DMA doesn't need any
                  * reprogramming while looping the buffer
@@ -119,8 +121,7 @@ static int omap_pcm_hw_free(struct snd_pcm_substream *substream)
         if (prtd->dma_data == NULL)
                 return 0;
 
-        if (!cpu_is_omap1510())
-                omap_dma_unlink_lch(prtd->dma_ch, prtd->dma_ch);
+        omap_dma_unlink_lch(prtd->dma_ch, prtd->dma_ch);
         omap_free_dma(prtd->dma_ch);
         prtd->dma_data = NULL;