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Add KEY_MICMUTE and enable it on Lenovo X220

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I suspect that this works on T410.

Signed-off-by: Andy Lutomirski <luto@mit.edu>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Andy Lutomirski 2011-05-24 15:16:43 -04:00 committed by Matthew Garrett
parent 38803141bf
commit 33009557bd
2 changed files with 12 additions and 1 deletions
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11
drivers/platform/x86/thinkpad_acpi.c
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@ -3185,9 +3185,18 @@ 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,
},
};

2
include/linux/input.h
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@ -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