diff options
Diffstat (limited to 'sound/usb/format.c')
| -rw-r--r-- | sound/usb/format.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/sound/usb/format.c b/sound/usb/format.c index 30364aba79cc..69148212aa70 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -49,7 +49,8 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, 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; @@ -64,9 +65,6 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, format <<= 1; break; } - - default: - return -EINVAL; } pcm_formats = 0; @@ -264,13 +262,12 @@ 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", @@ -385,13 +382,17 @@ static int parse_audio_format_i(struct snd_usb_audio *chip, * 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; } @@ -435,6 +436,10 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip, 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); @@ -450,7 +455,7 @@ 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; } } |