diff options
Diffstat (limited to 'kernel/sound/soc/kirkwood')
| -rw-r--r-- | kernel/sound/soc/kirkwood/armada-370-db.c | 1 | ||||
| -rw-r--r-- | kernel/sound/soc/kirkwood/kirkwood-dma.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sound/soc/kirkwood/armada-370-db.c b/kernel/sound/soc/kirkwood/armada-370-db.c index de7563bdc..e0304d544 100644 --- a/kernel/sound/soc/kirkwood/armada-370-db.c +++ b/kernel/sound/soc/kirkwood/armada-370-db.c @@ -130,6 +130,7 @@ static const struct of_device_id a370db_dt_ids[] = { { .compatible = "marvell,a370db-audio" }, { }, }; +MODULE_DEVICE_TABLE(of, a370db_dt_ids); static struct platform_driver a370db_driver = { .driver = { diff --git a/kernel/sound/soc/kirkwood/kirkwood-dma.c b/kernel/sound/soc/kirkwood/kirkwood-dma.c index 4cf224595..dbfdfe99c 100644 --- a/kernel/sound/soc/kirkwood/kirkwood-dma.c +++ b/kernel/sound/soc/kirkwood/kirkwood-dma.c @@ -148,10 +148,14 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream) dram = mv_mbus_dram_info(); addr = substream->dma_buffer.addr; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (priv->substream_play) + return -EBUSY; priv->substream_play = substream; kirkwood_dma_conf_mbus_windows(priv->io, KIRKWOOD_PLAYBACK_WIN, addr, dram); } else { + if (priv->substream_rec) + return -EBUSY; priv->substream_rec = substream; kirkwood_dma_conf_mbus_windows(priv->io, KIRKWOOD_RECORD_WIN, addr, dram); |