ipq806x is only ever tested for playback so return error in dma allocation
if the stream direction is capture.
Signed-off-by: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>
---
sound/soc/qcom/lpass-ipq806x.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/qcom/lpass-ipq806x.c b/sound/soc/qcom/lpass-ipq806x.c
index 119048c..8bdcdcb 100644
--- a/sound/soc/qcom/lpass-ipq806x.c
+++ b/sound/soc/qcom/lpass-ipq806x.c
@@ -65,7 +65,10 @@ static struct snd_soc_dai_driver
ipq806x_lpass_cpu_dai_driver = {
static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir)
{
- return IPQ806X_LPAIF_RDMA_CHAN_MI2S;
+ if (dir == SNDRV_PCM_STREAM_PLAYBACK)
+ return IPQ806X_LPAIF_RDMA_CHAN_MI2S;
+ else /* Capture not supported */
+ return -EINVAL;
}
static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan)
--
1.9.1
