1 files changed, 10 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_beep.h b/sound/pci/hda/hda_beep.h
index 0c3de787c717..f1de1bac042c 100644
--- a/sound/pci/hda/hda_beep.h
+++ b/sound/pci/hda/hda_beep.h
@@ -24,19 +24,29 @@
 
 #include "hda_codec.h"
 
+#define HDA_BEEP_MODE_OFF       0
+#define HDA_BEEP_MODE_ON        1
+#define HDA_BEEP_MODE_SWREG     2
+
 /* beep information */
 struct hda_beep {
         struct input_dev *dev;
         struct hda_codec *codec;
+        unsigned int mode;
         char phys[32];
         int tone;
         hda_nid_t nid;
         unsigned int enabled:1;
+        unsigned int request_enable:1;
         unsigned int linear_tone:1;     /* linear tone for IDT/STAC codec */
+        struct work_struct register_work; /* registration work */
+        struct delayed_work unregister_work; /* unregistration work */
         struct work_struct beep_work; /* scheduled task for beep event */
+        struct mutex mutex;
 };
 
 #ifdef CONFIG_SND_HDA_INPUT_BEEP
+int snd_hda_enable_beep_device(struct hda_codec *codec, int enable);
 int snd_hda_attach_beep_device(struct hda_codec *codec, int nid);
 void snd_hda_detach_beep_device(struct hda_codec *codec);
 #else