ALSA: hda - Remember connection lists
The connection lists are static and we can reuse the previous results
instead of querying via verb at each time. This will reduce the I/O
in the runtime especially for some codec auto-parsers.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index e46d542..7d57a66 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -825,6 +825,8 @@
struct hda_cache_rec amp_cache; /* cache for amp access */
struct hda_cache_rec cmd_cache; /* cache for other commands */
+ struct snd_array conn_lists; /* connection-list array */
+
struct mutex spdif_mutex;
struct mutex control_mutex;
unsigned int spdif_status; /* IEC958 status bits */