ALSA: hda - proc - add support for dynamic controls to mixer<->NID mapping

This patch adds support for dynamically created controls to proc codec file
(Control: lines).

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 6 insertions, 1 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 1ed1d88e1834..d71e651046eb 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1523,6 +1523,11 @@ int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
         int err;
         struct hda_nid_item *item;
 
+        if (kctl->id.subdevice & (1<<31)) {
+                if (nid == 0)
+                        nid = kctl->id.subdevice & 0xffff;
+                kctl->id.subdevice = 0;
+        }
         err = snd_ctl_add(codec->bus->card, kctl);
         if (err < 0)
                 return err;
@@ -3160,7 +3165,7 @@ EXPORT_SYMBOL_HDA(snd_hda_check_board_codec_sid_config);
  */
 int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
 {
-        int err;
+        int err;
 
         for (; knew->name; knew++) {
                 struct snd_kcontrol *kctl;