Input: matrix-keymap - uninline and prepare for device tree support

Change matrix-keymap helper to be out-of-line, like sparse keymap,
allow the helper perform basic keymap validation and return errors,
and prepare for device tree support.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index ea4bbaa..c0e11ecc 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -166,6 +166,7 @@
 config KEYBOARD_EP93XX
 	tristate "EP93xx Matrix Keypad support"
 	depends on ARCH_EP93XX
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here to enable the matrix keypad on the Cirrus EP93XX.
 
@@ -224,6 +225,7 @@
 config KEYBOARD_TCA8418
 	tristate "TCA8418 Keypad Support"
 	depends on I2C
+	select INPUT_MATRIXKMAP
 	help
 	  This driver implements basic keypad functionality
 	  for keys connected through TCA8418 keypad decoder.
@@ -240,6 +242,7 @@
 config KEYBOARD_MATRIX
 	tristate "GPIO driven matrix keypad support"
 	depends on GENERIC_GPIO
+	select INPUT_MATRIXKMAP
 	help
 	  Enable support for GPIO driven matrix keypad.
 
@@ -312,6 +315,7 @@
 config KEYBOARD_LM8333
 	tristate "LM8333 keypad chip"
 	depends on I2C
+	select INPUT_MATRIXKMAP
 	help
 	  If you say yes here you get support for the National Semiconductor
 	  LM8333 keypad controller.
@@ -376,6 +380,7 @@
 config KEYBOARD_IMX
 	tristate "IMX keypad support"
 	depends on ARCH_MXC
+	select INPUT_MATRIXKMAP
 	help
 	  Enable support for IMX keypad port.
 
@@ -394,6 +399,7 @@
 config KEYBOARD_NOMADIK
 	tristate "ST-Ericsson Nomadik SKE keyboard"
 	depends on PLAT_NOMADIK
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use a keypad provided on the SKE controller
 	  used on the Ux500 and Nomadik platforms
@@ -404,7 +410,7 @@
 config KEYBOARD_TEGRA
 	tristate "NVIDIA Tegra internal matrix keyboard controller support"
 	depends on ARCH_TEGRA
-	select INPUT_OF_MATRIX_KEYMAP if USE_OF
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use a matrix keyboard connected directly
 	  to the internal keyboard controller on Tegra SoCs.
@@ -442,6 +448,7 @@
 config KEYBOARD_PMIC8XXX
 	tristate "Qualcomm PMIC8XXX keypad support"
 	depends on MFD_PM8XXX
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to enable the driver for the PMIC8XXX
 	  keypad provided as a reference design from Qualcomm. This is intended
@@ -453,6 +460,7 @@
 config KEYBOARD_SAMSUNG
 	tristate "Samsung keypad support"
 	depends on HAVE_CLK
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use the keypad on your Samsung mobile
 	  device.
@@ -495,6 +503,7 @@
 config KEYBOARD_STMPE
 	tristate "STMPE keypad support"
 	depends on MFD_STMPE
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use the keypad controller on STMPE I/O
 	  expanders.
@@ -515,6 +524,7 @@
 config KEYBOARD_OMAP
 	tristate "TI OMAP keypad support"
 	depends on (ARCH_OMAP1 || ARCH_OMAP2)
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use the OMAP keypad.
 
@@ -523,6 +533,7 @@
 
 config KEYBOARD_OMAP4
 	tristate "TI OMAP4+ keypad support"
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use the OMAP4+ keypad.
 
@@ -532,6 +543,7 @@
 config KEYBOARD_SPEAR
 	tristate "ST SPEAR keyboard support"
 	depends on PLAT_SPEAR
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use the SPEAR keyboard.
 
@@ -541,6 +553,7 @@
 config KEYBOARD_TC3589X
 	tristate "TC3589X Keypad support"
 	depends on MFD_TC3589X
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use the keypad controller on
 	  TC35892/3 I/O expander.
@@ -551,6 +564,7 @@
 config KEYBOARD_TNETV107X
 	tristate "TI TNETV107X keypad support"
 	depends on ARCH_DAVINCI_TNETV107X
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if you want to use the TNETV107X keypad.
 
@@ -560,6 +574,7 @@
 config KEYBOARD_TWL4030
 	tristate "TI TWL4030/TWL5030/TPS659x0 keypad support"
 	depends on TWL4030_CORE
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here if your board use the keypad controller on
 	  TWL4030 family chips.  It's safe to say enable this
@@ -583,6 +598,7 @@
 config KEYBOARD_W90P910
 	tristate "W90P910 Matrix Keypad support"
 	depends on ARCH_W90X900
+	select INPUT_MATRIXKMAP
 	help
 	  Say Y here to enable the matrix keypad on evaluation board
 	  based on W90P910.