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Diffstat (limited to 'sound/usb/format.c')
-rw-r--r--sound/usb/format.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/sound/usb/format.c b/sound/usb/format.c
index 30364aba79cc..3a1375459c06 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -264,13 +264,12 @@ static int parse_uac2_sample_rate_range(struct audioformat *fp, int nr_triplets,
* 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",
@@ -391,8 +390,12 @@ static int parse_audio_format_i(struct snd_usb_audio *chip,
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;
+ default:
+ snd_printk(KERN_ERR "%d:%u:%d : invalid protocol version %d\n",
+ chip->dev->devnum, fp->iface, fp->altsetting, protocol);
+ return -EINVAL;
}
if (fp->channels < 1) {
@@ -450,9 +453,13 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
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;
}
+ default:
+ snd_printk(KERN_ERR "%d:%u:%d : invalid protocol version %d\n",
+ chip->dev->devnum, fp->iface, fp->altsetting, protocol);
+ return -EINVAL;
}
return ret;