Commit cb6ecf6f authored by Henrik Rydberg's avatar Henrik Rydberg Committed by Dmitry Torokhov
Browse files

Input: add the ABS_MT_PRESSURE event 



For pressure-based multi-touch devices, a direct way to send sensor
intensity data per finger is needed. This patch adds the ABS_MT_PRESSURE
event to the MT protocol.

Requested-by: default avatarYoonyoung Shim <jy0922.shim@samsung.com>
Requested-by: default avatarMika Kuoppala <mika.kuoppala@nokia.com>
Requested-by: default avatarPeter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: default avatarHenrik Rydberg <rydberg@euromail.se>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 93fb84b5

drivers/input/input.c

+1 −0
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ static unsigned int input_abs_bypass_init_data[] __initdata = { 
	ABS_MT_TOOL_TYPE,

	ABS_MT_BLOB_ID,

	ABS_MT_TRACKING_ID,

	ABS_MT_PRESSURE,

	0

};

static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];

include/linux/input.h

+1 −0
Original line number Diff line number Diff line
@@ -660,6 +660,7 @@ struct input_absinfo { 
#define ABS_MT_TOOL_TYPE	0x37	/* Type of touching device */

#define ABS_MT_BLOB_ID		0x38	/* Group a set of packets as a blob */

#define ABS_MT_TRACKING_ID	0x39	/* Unique ID of initiated contact */

#define ABS_MT_PRESSURE		0x3a	/* Pressure on contact area */



#define ABS_MAX			0x3f

#define ABS_CNT			(ABS_MAX+1)

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