diff options
| author | Chris Wulff <crwulff@gmail.com> | 2020-03-14 12:54:48 -0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-03-14 18:24:19 +0100 |
| commit | 0aef31b75272a9894f7205c2c888c7dbc248ce94 (patch) | |
| tree | 55f5f79785e9216f9ac8b632753d8441ca6da9ee /sound/usb | |
| parent | 0a7efa14e61ae2132fd718887deb28479b33386b (diff) | |
| download | linux-0aef31b75272a9894f7205c2c888c7dbc248ce94.tar.bz2 | |
ALSA: usb-audio: Fix mixer controls' USB interface for Kingston HyperX Amp (0951:16d8)
Use the USB interface of the mixer that the control
was created on instead of the default control interface.
This fixes the Kingston HyperX AMP (0951:16d8) which has
controls on two interfaces.
Signed-off-by: Chris Wulff <crwulff@gmail.com>
Link: https://lore.kernel.org/r/20200314165449.4086-2-crwulff@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/mixer.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index d5c7283f6e9f..721d12130d0c 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -292,6 +292,11 @@ static int uac2_ctl_value_size(int val_type) * retrieve a mixer value */ +static inline int mixer_ctrl_intf(struct usb_mixer_interface *mixer) +{ + return get_iface_desc(mixer->hostif)->bInterfaceNumber; +} + static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret) { @@ -306,7 +311,7 @@ static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, return -EIO; while (timeout-- > 0) { - idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); + idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, validx, idx, buf, val_len); @@ -354,7 +359,7 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, if (ret) goto error; - idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); + idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, validx, idx, buf, size); @@ -479,7 +484,7 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, return -EIO; while (timeout-- > 0) { - idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); + idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), request, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, @@ -1209,7 +1214,7 @@ static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { usb_audio_err(cval->head.mixer->chip, "%d:%d: cannot get min/max values for control %d (id %d)\n", - cval->head.id, snd_usb_ctrl_intf(cval->head.mixer->chip), + cval->head.id, mixer_ctrl_intf(cval->head.mixer), cval->control, cval->head.id); return -EINVAL; } @@ -1428,7 +1433,7 @@ static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, if (ret) goto error; - idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); + idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); if (cval->head.mixer->protocol == UAC_VERSION_2) { struct uac2_connectors_ctl_blk uac2_conn; @@ -3219,7 +3224,7 @@ static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, list_for_each_entry(mixer, &chip->mixer_list, list) { snd_iprintf(buffer, "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", - chip->usb_id, snd_usb_ctrl_intf(chip), + chip->usb_id, mixer_ctrl_intf(mixer), mixer->ignore_ctl_error); snd_iprintf(buffer, "Card: %s\n", chip->card->longname); for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { |