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Diffstat (limited to 'sound/usb/mixer.c')
-rw-r--r--sound/usb/mixer.c99
1 files changed, 20 insertions, 79 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index cde3b9126a24..be4db47cb2d9 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -2300,6 +2300,26 @@ requeue:
}
}
+/* stop any bus activity of a mixer */
+void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer)
+{
+ usb_kill_urb(mixer->urb);
+ usb_kill_urb(mixer->rc_urb);
+}
+
+int snd_usb_mixer_activate(struct usb_mixer_interface *mixer)
+{
+ int err;
+
+ if (mixer->urb) {
+ err = usb_submit_urb(mixer->urb, GFP_NOIO);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
/* create the handler for the optional status interrupt endpoint */
static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer)
{
@@ -2398,82 +2418,3 @@ void snd_usb_mixer_disconnect(struct list_head *p)
usb_kill_urb(mixer->urb);
usb_kill_urb(mixer->rc_urb);
}
-
-#ifdef CONFIG_PM
-/* stop any bus activity of a mixer */
-static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer)
-{
- usb_kill_urb(mixer->urb);
- usb_kill_urb(mixer->rc_urb);
-}
-
-static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer)
-{
- int err;
-
- if (mixer->urb) {
- err = usb_submit_urb(mixer->urb, GFP_NOIO);
- if (err < 0)
- return err;
- }
-
- return 0;
-}
-
-int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer)
-{
- snd_usb_mixer_inactivate(mixer);
- return 0;
-}
-
-static int restore_mixer_value(struct usb_mixer_elem_info *cval)
-{
- int c, err, idx;
-
- if (cval->cmask) {
- idx = 0;
- for (c = 0; c < MAX_CHANNELS; c++) {
- if (!(cval->cmask & (1 << c)))
- continue;
- if (cval->cached & (1 << c)) {
- err = set_cur_mix_value(cval, c + 1, idx,
- cval->cache_val[idx]);
- if (err < 0)
- return err;
- }
- idx++;
- }
- } else {
- /* master */
- if (cval->cached) {
- err = set_cur_mix_value(cval, 0, 0, *cval->cache_val);
- if (err < 0)
- return err;
- }
- }
-
- return 0;
-}
-
-int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume)
-{
- struct usb_mixer_elem_info *cval;
- int id, err;
-
- /* FIXME: any mixer quirks? */
-
- if (reset_resume) {
- /* restore cached mixer values */
- for (id = 0; id < MAX_ID_ELEMS; id++) {
- for (cval = mixer->id_elems[id]; cval;
- cval = cval->next_id_elem) {
- err = restore_mixer_value(cval);
- if (err < 0)
- return err;
- }
- }
- }
-
- return snd_usb_mixer_activate(mixer);
-}
-#endif