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Input: add driver for slidebar on Lenovo IdeaPad laptops

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This driver adds support for slidebars found on some Lenovo IdeaPad
laptops (the slidebars work with SlideNav/Desktop Navigator under
Windows).

Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=16004

Registers 'IdeaPad Slidebar' input device and
/sys/devices/platform/ideapad_slidebar/slidebar_mode
for switching slidebar's modes.

Now works on:
IdeaPad Y550, Y550P.

May work on (testing and adding new models is needed):
Ideapad Y560, Y460, Y450, Y650,
and, probably, some others.

Signed-off-by: Andrey Moiseev <o2g.org.ru@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Andrey Moiseev
2013-08-25 22:51:15 -07:00
committed by Dmitry Torokhov
parent 50f3c16375
commit 1ea4c16120
6 changed files with 400 additions and 24 deletions
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24
include/linux/i8042.h
View File

@@ -31,6 +31,30 @@
#define I8042_CMD_MUX_PFX 0x0090
#define I8042_CMD_MUX_SEND 0x1090
/*
* Status register bits.
*/
#define I8042_STR_PARITY 0x80
#define I8042_STR_TIMEOUT 0x40
#define I8042_STR_AUXDATA 0x20
#define I8042_STR_KEYLOCK 0x10
#define I8042_STR_CMDDAT 0x08
#define I8042_STR_MUXERR 0x04
#define I8042_STR_IBF 0x02
#define I8042_STR_OBF 0x01
/*
* Control register bits.
*/
#define I8042_CTR_KBDINT 0x01
#define I8042_CTR_AUXINT 0x02
#define I8042_CTR_IGNKEYLOCK 0x08
#define I8042_CTR_KBDDIS 0x10
#define I8042_CTR_AUXDIS 0x20
#define I8042_CTR_XLATE 0x40
struct serio;
#if defined(CONFIG_SERIO_I8042) || defined(CONFIG_SERIO_I8042_MODULE)