int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *fp, unsigned int format, struct uac_format_type_i_continuous_descriptor *fmt, int stream) { int err; switch (fmt->bFormatType) { case UAC_FORMAT_TYPE_I: case UAC_FORMAT_TYPE_III: err = parse_audio_format_i(chip, fp, format, fmt); break; case UAC_FORMAT_TYPE_II: err = parse_audio_format_ii(chip, fp, format, fmt); break; default: usb_audio_info(chip, "%u:%d : format type %d is not supported yet\n", fp->iface, fp->altsetting, fmt->bFormatType); return -ENOTSUPP; } fp->fmt_type = fmt->bFormatType; if (err < 0) return err; #if 1 /* FIXME: temporary hack for extigy/audigy 2 nx/zs */ /* extigy apparently supports sample rates other than 48k * but not in ordinary way. so we enable only 48k atm. */ if (chip->usb_id == USB_ID(0x041e, 0x3000) || chip->usb_id == USB_ID(0x041e, 0x3020) || chip->usb_id == USB_ID(0x041e, 0x3061)) { if (fmt->bFormatType == UAC_FORMAT_TYPE_I && fp->rates != SNDRV_PCM_RATE_48000 && fp->rates != SNDRV_PCM_RATE_96000) return -ENOTSUPP; } #endif return 0; }
int snd_usb_parse_audio_format_v3(struct snd_usb_audio *chip, struct audioformat *fp, struct uac3_as_header_descriptor *as, int stream) { u64 format = le64_to_cpu(as->bmFormats); int err; /* * Type I format bits are D0..D6 * This test works because type IV is not supported */ if (format & 0x7f) fp->fmt_type = UAC_FORMAT_TYPE_I; else fp->fmt_type = UAC_FORMAT_TYPE_III; err = parse_audio_format_i(chip, fp, format, as); if (err < 0) return err; return 0; }
int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *fp, int format, struct uac_format_type_i_continuous_descriptor *fmt, int stream, struct usb_host_interface *iface) { int err; switch (fmt->bFormatType) { case UAC_FORMAT_TYPE_I: case UAC_FORMAT_TYPE_III: err = parse_audio_format_i(chip, fp, format, fmt, iface); break; case UAC_FORMAT_TYPE_II: err = parse_audio_format_ii(chip, fp, format, fmt, iface); break; default: snd_printd(KERN_INFO "%d:%u:%d : format type %d is not supported yet\n", chip->dev->devnum, fp->iface, fp->altsetting, fmt->bFormatType); return -ENOTSUPP; } fp->fmt_type = fmt->bFormatType; if (err < 0) return err; /* extigy apparently supports sample rates other than 48k * but not in ordinary way. so we enable only 48k atm. */ if (chip->usb_id == USB_ID(0x041e, 0x3000) || chip->usb_id == USB_ID(0x041e, 0x3020) || chip->usb_id == USB_ID(0x041e, 0x3061)) { if (fmt->bFormatType == UAC_FORMAT_TYPE_I && fp->rates != SNDRV_PCM_RATE_48000 && fp->rates != SNDRV_PCM_RATE_96000) return -ENOTSUPP; } return 0; }