Message ID | 20231220224544.18031-23-quic_wcheng@quicinc.com |
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State | New |
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Series |
Introduce QC USB SND audio offloading support
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Commit Message
Wesley Cheng
Dec. 20, 2023, 10:45 p.m. UTC
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@quicinc.com>
---
sound/soc/qcom/qdsp6/q6usb.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c index bb37f2c58cf4..a3893ec96fe6 100644 --- a/sound/soc/qcom/qdsp6/q6usb.c +++ b/sound/soc/qcom/qdsp6/q6usb.c @@ -46,7 +46,11 @@ 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_usb_chip_idx, params, + direction); } static const struct snd_soc_dai_ops q6usb_ops = {