> static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
> + {
> + .playback = {
> + .stream_name = "USB Playback",
> + .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |
> + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |
> + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
> + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |
> + SNDRV_PCM_RATE_192000,
> + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
> + SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE |
> + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |
> + SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE,
> + .channels_min = 1,
> + .channels_max = 2,
> + .rate_min = 8000,
> + .rate_max = 192000,
> + },
> + .id = USB_RX,
> + .name = "USB_RX",
> + },
Wait, is this saying you will have exactly one PCM device/FE DAI
connected to the USB BE DAI exposed in patch 11?
> + SND_SOC_DAPM_MIXER("USB Mixer", SND_SOC_NOPM, 0, 0,
> + usb_mixer_controls,
> + ARRAY_SIZE(usb_mixer_controls)),
> +
And then what is the role of the USB mixer if you only have one input?
I must be missing something.
