On 8/1/24 03:17, Wesley Cheng wrote: > 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, 5 insertions(+) > > diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c > index d8f1bb4ec497..9a3fb3cb32b2 100644 > --- a/sound/soc/qcom/qdsp6/q6usb.c > +++ b/sound/soc/qcom/qdsp6/q6usb.c > @@ -52,6 +52,7 @@ static int q6usb_hw_params(struct snd_pcm_substream *substream, > struct q6usb_port_data *data = dev_get_drvdata(dai->dev); > struct snd_soc_pcm_runtime *rtd = substream->private_data; > struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); > + int direction = substream->stream; > struct q6afe_port *q6usb_afe; > struct snd_soc_usb_device *sdev; > int ret; > @@ -63,6 +64,10 @@ static int q6usb_hw_params(struct snd_pcm_substream *substream, > mutex_lock(&data->mutex); > sdev = list_last_entry(&data->devices, struct snd_soc_usb_device, list); > > + ret = snd_soc_usb_find_supported_format(sdev->chip_idx, params, direction); > + if (ret < 0) > + goto out; > + > q6usb_afe = q6afe_port_get_from_id(cpu_dai->dev, USB_RX); > if (IS_ERR(q6usb_afe)) > goto out; This patch and the previous patch 33 should be added before patch 17, see comments there.
