[ALSA] hda-intel - Add hwdep interface

Added a hwdep interface for each codec (enabled per kconfig).
This interface can be used for reading/writing HD-audio verbs
and other purposes as future extensions.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index a05db2f214bd..e7843ffeeb2f 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -31,6 +31,7 @@
 #include <sound/tlv.h>
 #include <sound/initval.h>
 #include "hda_local.h"
+#include <sound/hda_hwdep.h>
 
 
 /*
@@ -594,6 +595,9 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
                 init_unsol_queue(bus);
 
         snd_hda_codec_proc_new(codec);
+#ifdef CONFIG_SND_HDA_HWDEP
+        snd_hda_create_hwdep(codec);
+#endif
 
         sprintf(component, "HDA:%08x", codec->vendor_id);
         snd_component_add(codec->bus->card, component);