diff options
| -rw-r--r-- | sound/usb/mixer.c | 3 | ||||
| -rw-r--r-- | sound/usb/mixer.h | 1 | ||||
| -rw-r--r-- | sound/usb/mixer_scarlett_gen2.c | 7 |
3 files changed, 10 insertions, 1 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 4ea4875abdf8..30b3e128e28d 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -3606,6 +3606,9 @@ static int restore_mixer_value(struct usb_mixer_elem_list *list) struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); int c, err, idx; + if (cval->val_type == USB_MIXER_BESPOKEN) + return 0; + if (cval->cmask) { idx = 0; for (c = 0; c < MAX_CHANNELS; c++) { diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index e5a01f17bf3c..ea41e7a1f7bf 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -55,6 +55,7 @@ enum { USB_MIXER_U16, USB_MIXER_S32, USB_MIXER_U32, + USB_MIXER_BESPOKEN, /* non-standard type */ }; typedef void (*usb_mixer_elem_dump_func_t)(struct snd_info_buffer *buffer, diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index dde008ea21d7..c4689c401d6e 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -1136,10 +1136,15 @@ static int scarlett2_add_new_ctl(struct usb_mixer_interface *mixer, if (!elem) return -ENOMEM; + /* We set USB_MIXER_BESPOKEN type, so that the core USB mixer code + * ignores them for resume and other operations. + * Also, the head.id field is set to 0, as we don't use this field. + */ elem->head.mixer = mixer; elem->control = index; - elem->head.id = index; + elem->head.id = 0; elem->channels = channels; + elem->val_type = USB_MIXER_BESPOKEN; kctl = snd_ctl_new1(ncontrol, elem); if (!kctl) { |