Check for if the PCM format is supported during the hw_params callback. If
the profile is not supported then the userspace ALSA entity will receive an
error, and can take further action.
Signed-off-by: Wesley Cheng <quic_wcheng@xxxxxxxxxxx>
---
sound/soc/qcom/qdsp6/q6usb.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c
index dd664ad41668..329a7d4a3c01 100644
--- a/sound/soc/qcom/qdsp6/q6usb.c
+++ b/sound/soc/qcom/qdsp6/q6usb.c
@@ -44,7 +44,10 @@ static int q6usb_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- return 0;
+ struct q6usb_port_data *data = dev_get_drvdata(dai->dev);
+ int direction = substream->stream;
+
+ return snd_soc_usb_find_format(data->active_idx, params, direction);
}
static const struct snd_soc_dai_ops q6usb_ops = {
