[alsa-devel] [PATCH 065/112] ALSA: hda - Increase the max depth of widget connections

[Takashi Iwai]

Old codecs like AD1986A tend to have long paths as they were just made
to be the way like AC97.  The current max depth 5 can be too short for
such devices.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/pci/hda/hda_codec.c   | 2 +-
 sound/pci/hda/hda_generic.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 9eb73b0..380c9ed 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -591,7 +591,7 @@ int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
 			return i;
 	if (!recursive)
 		return -1;
-	if (recursive > 5) {
+	if (recursive > 10) {
 		snd_printd("hda_codec: too deep connection for 0x%x\n", nid);
 		return -1;
 	}
diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h
index 417ab65..89ad877 100644
--- a/sound/pci/hda/hda_generic.h
+++ b/sound/pci/hda/hda_generic.h
@@ -37,7 +37,7 @@ struct hda_multi_io {
  * vol_ctl and mute_ctl contains the NIDs for the assigned mixers
  */
 
-#define MAX_NID_PATH_DEPTH	5
+#define MAX_NID_PATH_DEPTH	10
 
 enum {
 	NID_PATH_VOL_CTL,
-- 
1.8.0.1