diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/mixer.c | 20 | ||||
| -rw-r--r-- | sound/usb/mixer.h | 1 |
2 files changed, 9 insertions, 12 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index ee9aa087d8b5..c04d7c71ac88 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1939,15 +1939,13 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) struct mixer_build state; int err; const struct usbmix_ctl_map *map; - struct usb_host_interface *hostif; void *p; - hostif = mixer->chip->ctrl_intf; memset(&state, 0, sizeof(state)); state.chip = mixer->chip; state.mixer = mixer; - state.buffer = hostif->extra; - state.buflen = hostif->extralen; + state.buffer = mixer->hostif->extra; + state.buflen = mixer->hostif->extralen; /* check the mapping table */ for (map = usbmix_ctl_maps; map->id; map++) { @@ -1960,7 +1958,8 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) } p = NULL; - while ((p = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, p, UAC_OUTPUT_TERMINAL)) != NULL) { + while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, mixer->hostif->extralen, + p, UAC_OUTPUT_TERMINAL)) != NULL) { if (mixer->protocol == UAC_VERSION_1) { struct uac1_output_terminal_descriptor *desc = p; @@ -2167,17 +2166,15 @@ int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) /* create the handler for the optional status interrupt endpoint */ static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) { - struct usb_host_interface *hostif; struct usb_endpoint_descriptor *ep; void *transfer_buffer; int buffer_length; unsigned int epnum; - hostif = mixer->chip->ctrl_intf; /* we need one interrupt input endpoint */ - if (get_iface_desc(hostif)->bNumEndpoints < 1) + if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) return 0; - ep = get_endpoint(hostif, 0); + ep = get_endpoint(mixer->hostif, 0); if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) return 0; @@ -2207,7 +2204,6 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, }; struct usb_mixer_interface *mixer; struct snd_info_entry *entry; - struct usb_host_interface *host_iface; int err; strcpy(chip->card->mixername, "USB Mixer"); @@ -2224,8 +2220,8 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, return -ENOMEM; } - host_iface = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; - switch (get_iface_desc(host_iface)->bInterfaceProtocol) { + mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; + switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { case UAC_VERSION_1: default: mixer->protocol = UAC_VERSION_1; diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index ae1a14dcfe82..81b2d8a32fb0 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -3,6 +3,7 @@ struct usb_mixer_interface { struct snd_usb_audio *chip; + struct usb_host_interface *hostif; struct list_head list; unsigned int ignore_ctl_error; struct urb *urb; |