[PATCH v2] platform/x86: thinkpad_acpi: Add support for calculator hotkey

[Benjamin Berg <bberg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

The P52 has a keyboard which features a calculator key above the numpad.
Add support for this the calculator key (0x1313).

Signed-off-by: Benjamin Berg <bberg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Acked-by: Henrique de Moraes Holschuh <hmh-N3TV7GIv+o9fyO9Q7EP/yw@public.gmane.org>

---
v2:
 * Change comment to indicate that key is found on the P52
---
 drivers/platform/x86/thinkpad_acpi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index cae9b0595692..9e8061f44563 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -1928,7 +1928,7 @@ enum {	/* hot key scan codes (derived from ACPI DSDT) */
 	/* first new observed key (star, favorites) is 0x1311 */
 	TP_ACPI_HOTKEYSCAN_STAR = 69,
 	TP_ACPI_HOTKEYSCAN_CLIPPING_TOOL2,
-	TP_ACPI_HOTKEYSCAN_UNK25,
+	TP_ACPI_HOTKEYSCAN_CALCULATOR,
 	TP_ACPI_HOTKEYSCAN_BLUETOOTH,
 	TP_ACPI_HOTKEYSCAN_KEYBOARD,
 
@@ -3449,7 +3449,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 
 		KEY_FAVORITES,       /* Favorite app, 0x311 */
 		KEY_RESERVED,        /* Clipping tool */
-		KEY_RESERVED,
+		KEY_CALC,            /* Calculator (above numpad, P52) */
 		KEY_BLUETOOTH,       /* Bluetooth */
 		KEY_KEYBOARD         /* Keyboard, 0x315 */
 		},
-- 
2.17.1


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