ALSA: hda - Allow driver to add vendor-specific verbs for regmap

Codecs may have own vendor-specific verbs, and we need to allow each
driver to give such verbs for cached accesses.  Here a verb can be put
into a single array and looked through it at readable and writeable
callbacks.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 3 insertions, 1 deletions

diff --git a/include/sound/hda_regmap.h b/include/sound/hda_regmap.h
index 95651d26437d..a6a4f3ddb469 100644
--- a/include/sound/hda_regmap.h
+++ b/include/sound/hda_regmap.h
@@ -11,7 +11,8 @@
 
 int snd_hdac_regmap_init(struct hdac_device *codec);
 void snd_hdac_regmap_exit(struct hdac_device *codec);
-
+int snd_hdac_regmap_add_vendor_verb(struct hdac_device *codec,
+                                    unsigned int verb);
 int snd_hdac_regmap_read_raw(struct hdac_device *codec, unsigned int reg,
                              unsigned int *val);
 int snd_hdac_regmap_write_raw(struct hdac_device *codec, unsigned int reg,
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index ce7d8d1f59c6..702032598bea 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -75,6 +75,7 @@ struct hdac_device {
 
         /* regmap */
         struct regmap *regmap;
+        struct snd_array vendor_verbs;
         bool lazy_cache:1;      /* don't wake up for writes */
         bool caps_overwriting:1; /* caps overwrite being in process */
 };