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[PATCH] fujitsu-laptop: Support radio toggle button

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Lifebook E734/E744/E754 has a radio toggle button which uses code 0x420.
Map it to KEY_RFKILL.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
---
Tested on a Lifebook E744.

 drivers/platform/x86/fujitsu-laptop.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 1c62caf..ffc84cc 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -114,6 +114,7 @@
 #define KEY2_CODE	0x411
 #define KEY3_CODE	0x412
 #define KEY4_CODE	0x413
+#define KEY5_CODE	0x420
 
 #define MAX_HOTKEY_RINGBUFFER_SIZE 100
 #define RINGBUFFERSIZE 40
@@ -149,7 +150,7 @@ struct fujitsu_t {
 	char phys[32];
 	struct backlight_device *bl_device;
 	struct platform_device *pf_device;
-	int keycode1, keycode2, keycode3, keycode4;
+	int keycode1, keycode2, keycode3, keycode4, keycode5;
 
 	unsigned int max_brightness;
 	unsigned int brightness_changed;
@@ -823,6 +824,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
 	set_bit(fujitsu->keycode2, input->keybit);
 	set_bit(fujitsu->keycode3, input->keybit);
 	set_bit(fujitsu->keycode4, input->keybit);
+	set_bit(fujitsu->keycode5, input->keybit);
 	set_bit(KEY_UNKNOWN, input->keybit);
 
 	error = input_register_device(input);
@@ -962,6 +964,9 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
 			case KEY4_CODE:
 				keycode = fujitsu->keycode4;
 				break;
+			case KEY5_CODE:
+				keycode = fujitsu->keycode5;
+				break;
 			case 0:
 				keycode = 0;
 				break;
@@ -1072,6 +1077,7 @@ static int __init fujitsu_init(void)
 	fujitsu->keycode2 = KEY_PROG2;
 	fujitsu->keycode3 = KEY_PROG3;
 	fujitsu->keycode4 = KEY_PROG4;
+	fujitsu->keycode5 = KEY_RFKILL;
 	dmi_check_system(fujitsu_dmi_table);
 
 	result = acpi_bus_register_driver(&acpi_fujitsu_driver);
-- 
1.7.10.4

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[PATCH] fujitsu-laptop: Support radio toggle button Michał Kępień <kernel@kempniu.pl> - 2016-02-24 14:30 +0100
  Re: [PATCH] fujitsu-laptop: Support radio toggle button Jonathan Woithe <jwoithe@just42.net> - 2016-02-24 23:40 +0100
    Re: [PATCH] fujitsu-laptop: Support radio toggle button Darren Hart <dvhart@infradead.org> - 2016-02-26 20:30 +0100

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