diff options
Diffstat (limited to 'sound/usb/format.c')
| -rw-r--r-- | sound/usb/format.c | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/sound/usb/format.c b/sound/usb/format.c index 99299ff..3525231 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -43,13 +43,12 @@ */ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, struct audioformat *fp, - unsigned int format, void *_fmt, - int protocol) + unsigned int format, void *_fmt) { int sample_width, sample_bytes; u64 pcm_formats = 0; - switch (protocol) { + switch (fp->protocol) { case UAC_VERSION_1: default: { struct uac_format_type_i_discrete_descriptor *fmt = _fmt; @@ -360,11 +359,8 @@ err: */ static int parse_audio_format_i(struct snd_usb_audio *chip, struct audioformat *fp, unsigned int format, - struct uac_format_type_i_continuous_descriptor *fmt, - struct usb_host_interface *iface) + struct uac_format_type_i_continuous_descriptor *fmt) { - struct usb_interface_descriptor *altsd = get_iface_desc(iface); - int protocol = altsd->bInterfaceProtocol; snd_pcm_format_t pcm_format; int ret; @@ -387,8 +383,7 @@ static int parse_audio_format_i(struct snd_usb_audio *chip, } fp->formats = pcm_format_to_bits(pcm_format); } else { - fp->formats = parse_audio_format_i_type(chip, fp, format, - fmt, protocol); + fp->formats = parse_audio_format_i_type(chip, fp, format, fmt); if (!fp->formats) return -EINVAL; } @@ -398,11 +393,8 @@ static int parse_audio_format_i(struct snd_usb_audio *chip, * proprietary class specific descriptor. * audio class v2 uses class specific EP0 range requests for that. */ - switch (protocol) { + switch (fp->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); @@ -427,12 +419,9 @@ static int parse_audio_format_i(struct snd_usb_audio *chip, */ static int parse_audio_format_ii(struct snd_usb_audio *chip, struct audioformat *fp, - int format, void *_fmt, - struct usb_host_interface *iface) + int format, void *_fmt) { int brate, framesize, ret; - struct usb_interface_descriptor *altsd = get_iface_desc(iface); - int protocol = altsd->bInterfaceProtocol; switch (format) { case UAC_FORMAT_TYPE_II_AC3: @@ -452,11 +441,8 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip, fp->channels = 1; - switch (protocol) { + switch (fp->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); @@ -483,17 +469,17 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip, 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, struct usb_host_interface *iface) + 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, iface); + err = parse_audio_format_i(chip, fp, format, fmt); break; case UAC_FORMAT_TYPE_II: - err = parse_audio_format_ii(chip, fp, format, fmt, iface); + err = parse_audio_format_ii(chip, fp, format, fmt); break; default: snd_printd(KERN_INFO "%d:%u:%d : format type %d is not supported yet\n", |