u64 pcm_formats;
switch (protocol) {
- case UAC_VERSION_1: {
+ case UAC_VERSION_1:
+ default: {
struct uac_format_type_i_discrete_descriptor *fmt = _fmt;
sample_width = fmt->bBitResolution;
sample_bytes = fmt->bSubframeSize;
format <<= 1;
break;
}
-
- default:
- return -EINVAL;
}
pcm_formats = 0;
* on the audioformat table (audio class v2).
*/
static int parse_audio_format_rates_v2(struct snd_usb_audio *chip,
- struct audioformat *fp,
- struct usb_host_interface *iface)
+ struct audioformat *fp)
{
struct usb_device *dev = chip->dev;
unsigned char tmp[2], *data;
int nr_triplets, data_size, ret = 0;
- int clock = snd_usb_clock_find_source(chip, chip->ctrl_intf, fp->clock);
+ int clock = snd_usb_clock_find_source(chip, fp->clock);
if (clock < 0) {
snd_printk(KERN_ERR "%s(): unable to find clock source (clock %d)\n",
* audio class v2 uses class specific EP0 range requests for that.
*/
switch (protocol) {
+ default:
+ snd_printdd(KERN_WARNING "%d:%u:%d : invalid protocol version %d, assuming v1\n",
+ chip->dev->devnum, fp->iface, fp->altsetting, protocol);
+ /* fall through */
case UAC_VERSION_1:
fp->channels = fmt->bNrChannels;
ret = parse_audio_format_rates_v1(chip, fp, (unsigned char *) fmt, 7);
break;
case UAC_VERSION_2:
/* fp->channels is already set in this case */
- ret = parse_audio_format_rates_v2(chip, fp, iface);
+ ret = parse_audio_format_rates_v2(chip, fp);
break;
}
fp->channels = 1;
switch (protocol) {
+ default:
+ snd_printdd(KERN_WARNING "%d:%u:%d : invalid protocol version %d, assuming v1\n",
+ chip->dev->devnum, fp->iface, fp->altsetting, protocol);
+ /* fall through */
case UAC_VERSION_1: {
struct uac_format_type_ii_discrete_descriptor *fmt = _fmt;
brate = le16_to_cpu(fmt->wMaxBitRate);
framesize = le16_to_cpu(fmt->wSamplesPerFrame);
snd_printd(KERN_INFO "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);
fp->frame_size = framesize;
- ret = parse_audio_format_rates_v2(chip, fp, iface);
+ ret = parse_audio_format_rates_v2(chip, fp);
break;
}
}