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authorAndy Lutomirski <luto@MIT.EDU>2011-05-24 15:16:43 -0400
committerMatthew Garrett <mjg@redhat.com>2011-08-05 14:45:41 -0400
commit33009557bd9397c446a59e4cc91059a8e84c046b (patch)
treeb553cf2d802bda2170ae8da013a1dbe3a79e2d36
parent38803141bf6ccf8f20d05c6f48e6e12c3650ce9a (diff)
downloadlinux-linaro-stable-33009557bd9397c446a59e4cc91059a8e84c046b.tar.gz
Add KEY_MICMUTE and enable it on Lenovo X220
I suspect that this works on T410. Signed-off-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: Matthew Garrett <mjg@redhat.com>
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c11
-rw-r--r--include/linux/input.h2
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 26c5b117df22..7bd829f247eb 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -3186,8 +3186,17 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */
/* (assignments unknown, please report if found) */
+ KEY_UNKNOWN, KEY_UNKNOWN,
+
+ /*
+ * The mic mute button only sends 0x1a. It does not
+ * automatically mute the mic or change the mute light.
+ */
+ KEY_MICMUTE, /* 0x1a: Mic mute (since ?400 or so) */
+
+ /* (assignments unknown, please report if found) */
KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
+ KEY_UNKNOWN,
},
};
diff --git a/include/linux/input.h b/include/linux/input.h
index 068784e17972..a637e7814334 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -438,6 +438,8 @@ struct input_keymap_entry {
#define KEY_WIMAX 246
#define KEY_RFKILL 247 /* Key that controls all radios */
+#define KEY_MICMUTE 248 /* Mute / unmute the microphone */
+
/* Code 255 is reserved for special needs of AT keyboard driver */
#define BTN_MISC 0x100