ALSA: hda: digital pc-beep support hd-audio codecs

Added digital pc-beep support using linear tone generation for hd-codecs along
with initial support for several IDT codecs.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index efc682888b31..3a63c445d36b 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -449,6 +449,7 @@ enum {
  */
 
 struct hda_bus;
+struct hda_beep;
 struct hda_codec;
 struct hda_pcm;
 struct hda_pcm_stream;
@@ -634,6 +635,9 @@ struct hda_codec {
         /* codec specific info */
         void *spec;
 
+        /* beep device */
+        struct hda_beep *beep;
+
         /* widget capabilities cache */
         unsigned int num_nodes;
         hda_nid_t start_nid;