2 files changed, 76 insertions, 0 deletions

diff --git a/include/sound/core.h b/include/sound/core.h
index 558b96284bd2..1a4ff0bdcf6a 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -63,6 +63,7 @@ typedef int __bitwise snd_device_type_t;
 #define SNDRV_DEV_INFO          ((__force snd_device_type_t) 0x1006)
 #define SNDRV_DEV_BUS           ((__force snd_device_type_t) 0x1007)
 #define SNDRV_DEV_CODEC         ((__force snd_device_type_t) 0x1008)
+#define SNDRV_DEV_JACK          ((__force snd_device_type_t) 0x1009)
 #define SNDRV_DEV_LOWLEVEL      ((__force snd_device_type_t) 0x2000)
 
 typedef int __bitwise snd_device_state_t;
diff --git a/include/sound/jack.h b/include/sound/jack.h
new file mode 100644
index 000000000000..b1b2b8b59adb
--- /dev/null
+++ b/include/sound/jack.h
@@ -0,0 +1,75 @@
+#ifndef __SOUND_JACK_H
+#define __SOUND_JACK_H
+
+/*
+ *  Jack abstraction layer
+ *
+ *  Copyright 2008 Wolfson Microelectronics plc
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#include <sound/core.h>
+
+struct input_dev;
+
+/**
+ * Jack types which can be reported.  These values are used as a
+ * bitmask.
+ */
+enum snd_jack_types {
+        SND_JACK_HEADPHONE      = 0x0001,
+        SND_JACK_MICROPHONE     = 0x0002,
+        SND_JACK_HEADSET        = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
+};
+
+struct snd_jack {
+        struct input_dev *input_dev;
+        int registered;
+        int type;
+        const char *id;
+        char name[100];
+};
+
+#ifdef CONFIG_SND_JACK
+
+int snd_jack_new(struct snd_card *card, const char *id, int type,
+                 struct snd_jack **jack);
+void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
+
+void snd_jack_report(struct snd_jack *jack, int status);
+
+#else
+
+static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
+                               struct snd_jack **jack)
+{
+        return 0;
+}
+
+static inline void snd_jack_set_parent(struct snd_jack *jack,
+                                       struct device *parent)
+{
+}
+
+static inline void snd_jack_report(struct snd_jack *jack, int status)
+{
+}
+
+#endif
+
+#endif