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authorDaniel Mack <daniel@caiaq.de>2010-05-26 20:11:36 +0400
committerTakashi Iwai <tiwai@suse.de>2010-05-27 11:48:31 +0400
commit74754f974b36c5a1156be46d0da05ab2c0a0960b (patch)
tree50d154e6d4c27fb18aad81795ec1b7f4970e358e /sound/usb/format.c
parent1efddcc981c95e62c4e305fd462e3e98b6f9c5cd (diff)
downloadlinux-74754f974b36c5a1156be46d0da05ab2c0a0960b.tar.xz
ALSA: usb-audio: parse more format descriptors with structs
Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/format.c')
-rw-r--r--sound/usb/format.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/sound/usb/format.c b/sound/usb/format.c
index b87cf87c4e7b..caaa3ef9e622 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -278,12 +278,11 @@ err:
* parse the format type I and III descriptors
*/
static int parse_audio_format_i(struct snd_usb_audio *chip,
- struct audioformat *fp,
- int format, void *_fmt,
+ struct audioformat *fp, int format,
+ struct uac_format_type_i_continuous_descriptor *fmt,
struct usb_host_interface *iface)
{
struct usb_interface_descriptor *altsd = get_iface_desc(iface);
- struct uac_format_type_i_discrete_descriptor *fmt = _fmt;
int protocol = altsd->bInterfaceProtocol;
int pcm_format, ret;
@@ -320,7 +319,7 @@ static int parse_audio_format_i(struct snd_usb_audio *chip,
switch (protocol) {
case UAC_VERSION_1:
fp->channels = fmt->bNrChannels;
- ret = parse_audio_format_rates_v1(chip, fp, _fmt, 7);
+ 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 */
@@ -392,12 +391,12 @@ 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,
- int format, unsigned char *fmt, int stream,
- struct usb_host_interface *iface)
+ int format, struct uac_format_type_i_continuous_descriptor *fmt,
+ int stream, struct usb_host_interface *iface)
{
int err;
- switch (fmt[3]) {
+ switch (fmt->bFormatType) {
case UAC_FORMAT_TYPE_I:
case UAC_FORMAT_TYPE_III:
err = parse_audio_format_i(chip, fp, format, fmt, iface);
@@ -407,10 +406,11 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *f
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[3]);
+ chip->dev->devnum, fp->iface, fp->altsetting,
+ fmt->bFormatType);
return -1;
}
- fp->fmt_type = fmt[3];
+ fp->fmt_type = fmt->bFormatType;
if (err < 0)
return err;
#if 1
@@ -421,7 +421,7 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip, struct audioformat *f
if (chip->usb_id == USB_ID(0x041e, 0x3000) ||
chip->usb_id == USB_ID(0x041e, 0x3020) ||
chip->usb_id == USB_ID(0x041e, 0x3061)) {
- if (fmt[3] == UAC_FORMAT_TYPE_I &&
+ if (fmt->bFormatType == UAC_FORMAT_TYPE_I &&
fp->rates != SNDRV_PCM_RATE_48000 &&
fp->rates != SNDRV_PCM_RATE_96000)
return -1;