Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (51 commits)
  Input: appletouch - give up maintainership
  Input: dm355evm_kbd - switch to using sparse keymap library
  Input: wistron_btns - switch to using sparse keymap library
  Input: add generic support for sparse keymaps
  Input: fix memory leak in force feedback core
  Input: wistron - remove identification strings from DMI table
  Input: psmouse - remove identification strings from DMI tables
  Input: atkbd - remove identification strings from DMI table
  Input: i8042 - remove identification strings from DMI tables
  DMI: allow omitting ident strings in DMI tables
  Input: psmouse - do not carry DMI data around
  Input: matrix-keypad - switch to using dev_pm_ops
  Input: keyboard - fix lack of locking when traversing handler->h_list
  Input: gpio_keys - scan gpio state at probe and resume time
  Input: keyboard - add locking around event handling
  Input: usbtouchscreen - add support for ET&T TC5UH touchscreen controller
  Input: xpad - add two new Xbox 360 devices
  Input: polled device - do not start polling if interval is zero
  Input: polled device - schedule first poll immediately
  Input: add S3C24XX touchscreen driver
  ...

63 files changed, 3110 insertions, 1167 deletions

diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index 94a20fe8fed..f9a6e2c75f1 100644
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -293,10 +293,23 @@ X!Idrivers/video/console/fonts.c
 
   <chapter id="input_subsystem">
      <title>Input Subsystem</title>
+     <sect1><title>Input core</title>
 !Iinclude/linux/input.h
 !Edrivers/input/input.c
 !Edrivers/input/ff-core.c
 !Edrivers/input/ff-memless.c
+     </sect1>
+     <sect1><title>Polled input devices</title>
+!Iinclude/linux/input-polldev.h
+!Edrivers/input/input-polldev.c
+     </sect1>
+     <sect1><title>Matrix keyboars/keypads</title>
+!Iinclude/linux/input/matrix_keypad.h
+     </sect1>
+     <sect1><title>Sparse keymap support</title>
+!Iinclude/linux/input/sparse-keymap.h
+!Edrivers/input/sparse-keymap.c
+     </sect1>
   </chapter>
 
   <chapter id="spi">
diff --git a/MAINTAINERS b/MAINTAINERS
index f7b0ced8111..107a5a5a017 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -486,13 +486,6 @@ S:	Maintained
 F:	drivers/net/appletalk/
 F:	net/appletalk/
 
-APPLETOUCH TOUCHPAD DRIVER
-M:	Johannes Berg <johannes@sipsolutions.net>
-L:	linux-input@vger.kernel.org
-S:	Maintained
-F:	Documentation/input/appletouch.txt
-F:	drivers/input/mouse/appletouch.c
-
 ARC FRAMEBUFFER DRIVER
 M:	Jaya Kumar <jayalk@intworks.biz>
 S:	Maintained
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index a57af3e99c7..809114d5a5a 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -866,6 +866,57 @@ static void __init at91_add_device_rtc(void) {}
 
 
 /* --------------------------------------------------------------------
+ *  Touchscreen
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE)
+static u64 tsadcc_dmamask = DMA_BIT_MASK(32);
+static struct at91_tsadcc_data tsadcc_data;
+
+static struct resource tsadcc_resources[] = {
+	[0] = {
+		.start	= AT91SAM9G45_BASE_TSC,
+		.end	= AT91SAM9G45_BASE_TSC + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9G45_ID_TSC,
+		.end	= AT91SAM9G45_ID_TSC,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device at91sam9g45_tsadcc_device = {
+	.name		= "atmel_tsadcc",
+	.id		= -1,
+	.dev		= {
+				.dma_mask		= &tsadcc_dmamask,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
+				.platform_data		= &tsadcc_data,
+	},
+	.resource	= tsadcc_resources,
+	.num_resources	= ARRAY_SIZE(tsadcc_resources),
+};
+
+void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data)
+{
+	if (!data)
+		return;
+
+	at91_set_gpio_input(AT91_PIN_PD20, 0);	/* AD0_XR */
+	at91_set_gpio_input(AT91_PIN_PD21, 0);	/* AD1_XL */
+	at91_set_gpio_input(AT91_PIN_PD22, 0);	/* AD2_YT */
+	at91_set_gpio_input(AT91_PIN_PD23, 0);	/* AD3_TB */
+
+	tsadcc_data = *data;
+	platform_device_register(&at91sam9g45_tsadcc_device);
+}
+#else
+void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
  *  RTT
  * -------------------------------------------------------------------- */
 
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index d345f5453db..53aaa94df75 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -622,6 +622,7 @@ static void __init at91_add_device_tc(void) { }
 
 #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE)
 static u64 tsadcc_dmamask = DMA_BIT_MASK(32);
+static struct at91_tsadcc_data tsadcc_data;
 
 static struct resource tsadcc_resources[] = {
 	[0] = {
@@ -642,22 +643,27 @@ static struct platform_device at91sam9rl_tsadcc_device = {
 	.dev		= {
 				.dma_mask		= &tsadcc_dmamask,
 				.coherent_dma_mask	= DMA_BIT_MASK(32),
+				.platform_data		= &tsadcc_data,
 	},
 	.resource	= tsadcc_resources,
 	.num_resources	= ARRAY_SIZE(tsadcc_resources),
 };
 
-void __init at91_add_device_tsadcc(void)
+void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data)
 {
+	if (!data)
+		return;
+
 	at91_set_A_periph(AT91_PIN_PA17, 0);	/* AD0_XR */
 	at91_set_A_periph(AT91_PIN_PA18, 0);	/* AD1_XL */
 	at91_set_A_periph(AT91_PIN_PA19, 0);	/* AD2_YT */
 	at91_set_A_periph(AT91_PIN_PA20, 0);	/* AD3_TB */
 
+	tsadcc_data = *data;
 	platform_device_register(&at91sam9rl_tsadcc_device);
 }
 #else
-void __init at91_add_device_tsadcc(void) {}
+void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {}
 #endif
 
 
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index 1cf4d868107..98f9f4bc939 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -229,6 +229,16 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data;
 
 
 /*
+ * Touchscreen
+ */
+static struct at91_tsadcc_data ek_tsadcc_data = {
+	.adc_clock		= 300000,
+	.pendet_debounce	= 0x0d,
+	.ts_sample_hold_time	= 0x0a,
+};
+
+
+/*
  * GPIO Buttons
  */
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
@@ -379,6 +389,8 @@ static void __init ek_board_init(void)
 	at91_add_device_i2c(0, NULL, 0);
 	/* LCD Controller */
 	at91_add_device_lcdc(&ek_lcdc_data);
+	/* Touch Screen */
+	at91_add_device_tsadcc(&ek_tsadcc_data);
 	/* Push Buttons */
 	ek_add_device_buttons();
 	/* AC97 */
diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c
index bd28e989e54..7ac20f3a206 100644
--- a/arch/arm/mach-at91/board-sam9rlek.c
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -243,6 +243,16 @@ static struct gpio_led ek_leds[] = {
 
 
 /*
+ * Touchscreen
+ */
+static struct at91_tsadcc_data ek_tsadcc_data = {
+	.adc_clock		= 1000000,
+	.pendet_debounce	= 0x0f,
+	.ts_sample_hold_time	= 0x03,
+};
+
+
+/*
  * GPIO Buttons
  */
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
@@ -310,7 +320,7 @@ static void __init ek_board_init(void)
 	/* AC97 */
 	at91_add_device_ac97(&ek_ac97_data);
 	/* Touch Screen Controller */
-	at91_add_device_tsadcc();
+	at91_add_device_tsadcc(&ek_tsadcc_data);
 	/* LEDs */
 	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 	/* Push Buttons */
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index 2295d80dd89..bb6f6a7ba5e 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -187,7 +187,12 @@ extern void __init at91_add_device_ac97(struct ac97c_platform_data *data);
 extern void __init at91_add_device_isi(void);
 
  /* Touchscreen Controller */
-extern void __init at91_add_device_tsadcc(void);
+struct at91_tsadcc_data {
+	unsigned int    adc_clock;
+	u8		pendet_debounce;
+	u8		ts_sample_hold_time;
+};
+extern void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data);
 
 /* CAN */
 struct at91_can_data {
diff --git a/arch/arm/mach-davinci/include/mach/keyscan.h b/arch/arm/mach-davinci/include/mach/keyscan.h
new file mode 100644
index 00000000000..b4e21a2976d
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/keyscan.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2009 Texas Instruments, Inc
+ *
+ * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef DAVINCI_KEYSCAN_H
+#define DAVINCI_KEYSCAN_H
+
+#include <linux/io.h>
+
+enum davinci_matrix_types {
+	DAVINCI_KEYSCAN_MATRIX_4X4,
+	DAVINCI_KEYSCAN_MATRIX_5X3,
+};
+
+struct davinci_ks_platform_data {
+	unsigned short	*keymap;
+	u32		keymapsize;
+	u8		rep:1;
+	u8		strobe;
+	u8		interval;
+	u8		matrix_type;
+};
+
+#endif
+
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 950837cf9e9..5619007e7e0 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -46,8 +46,6 @@
 
 extern void ctrl_alt_del(void);
 
-#define to_handle_h(n) container_of(n, struct input_handle, h_node)
-
 /*
  * Exported functions/variables
  */
@@ -132,6 +130,7 @@ int shift_state = 0;
  */
 
 static struct input_handler kbd_handler;
+static DEFINE_SPINLOCK(kbd_event_lock);
 static unsigned long key_down[BITS_TO_LONGS(KEY_CNT)];	/* keyboard key bitmap */
 static unsigned char shift_down[NR_SHIFT];		/* shift state counters.. */
 static int dead_key_next;
@@ -190,78 +189,85 @@ EXPORT_SYMBOL_GPL(unregister_keyboard_notifier);
  *  etc.). So this means that scancodes for the extra function keys won't
  *  be valid for the first event device, but will be for the second.
  */
+
+struct getset_keycode_data {
+	unsigned int scancode;
+	unsigned int keycode;
+	int error;
+};
+
+static int getkeycode_helper(struct input_handle *handle, void *data)
+{
+	struct getset_keycode_data *d = data;
+
+	d->error = input_get_keycode(handle->dev, d->scancode, &d->keycode);
+
+	return d->error == 0; /* stop as soon as we successfully get one */
+}
+
 int getkeycode(unsigned int scancode)
 {
-	struct input_handle *handle;
-	int keycode;
-	int error = -ENODEV;
+	struct getset_keycode_data d = { scancode, 0, -ENODEV };
 
-	list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
-		error = input_get_keycode(handle->dev, scancode, &keycode);
-		if (!error)
-			return keycode;
-	}
+	input_handler_for_each_handle(&kbd_handler, &d, getkeycode_helper);
 
-	return error;
+	return d.error ?: d.keycode;
+}
+
+static int setkeycode_helper(struct input_handle *handle, void *data)
+{
+	struct getset_keycode_data *d = data;
+
+	d->error = input_set_keycode(handle->dev, d->scancode, d->keycode);
+
+	return d->error == 0; /* stop as soon as we successfully set one */
 }
 
 int setkeycode(unsigned int scancode, unsigned int keycode)
 {
-	struct input_handle *handle;
-	int error = -ENODEV;
+	struct getset_keycode_data d = { scancode, keycode, -ENODEV };
 
-	list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
-		error = input_set_keycode(handle->dev, scancode, keycode);
-		if (!error)
-			break;
-	}
+	input_handler_for_each_handle(&kbd_handler, &d, setkeycode_helper);
 
-	return error;
+	return d.error;
 }
 
 /*
  * Making beeps and bells.
  */
-static void kd_nosound(unsigned long ignored)
+
+static int kd_sound_helper(struct input_handle *handle, void *data)
 {
-	struct input_handle *handle;
+	unsigned int *hz = data;
+	struct input_dev *dev = handle->dev;
 
-	list_for_each_entry(handle, &kbd_handler.h_list, h_node) {
-		if (test_bit(EV_SND, handle->dev->evbit)) {
-			if (test_bit(SND_TONE, handle->dev->sndbit))
-				input_inject_event(handle, EV_SND, SND_TONE, 0);
-			if (test_bit(SND_BELL, handle->dev->sndbit))
-				input_inject_event(handle, EV_SND, SND_BELL, 0);
-		}
+	if (test_bit(EV_SND, dev->evbit)) {
+		if (test_bit(SND_TONE, dev->sndbit))
+			input_inject_event(handle, EV_SND, SND_TONE, *hz);
+		if (test_bit(SND_BELL, handle->dev->sndbit))
+			input_inject_event(handle, EV_SND, SND_BELL, *hz ? 1 : 0);
 	}
+
+	return 0;
+}
+
+static void kd_nosound(unsigned long ignored)
+{
+	static unsigned int zero;
+
+	input_handler_for_each_handle(&kbd_handler, &zero, kd_sound_helper);
 }
 
 static DEFINE_TIMER(kd_mksound_timer, kd_nosound, 0, 0);
 
 void kd_mksound(unsigned int hz, unsigned int ticks)
 {
-	struct list_head *node;
+	del_timer_sync(&kd_mksound_timer);
 
-	del_timer(&kd_mksound_timer);
+	input_handler_for_each_handle(&kbd_handler, &hz, kd_sound_helper);
 
-	if (hz) {
-		list_for_each_prev(node, &kbd_handler.h_list) {
-			struct input_handle *handle = to_handle_h(node);
-			if (test_bit(EV_SND, handle->dev->evbit)) {
-				if (test_bit(SND_TONE, handle->dev->sndbit)) {
-					input_inject_event(handle, EV_SND, SND_TONE, hz);
-					break;
-				}
-				if (test_bit(SND_BELL, handle->dev->sndbit)) {
-					input_inject_event(handle, EV_SND, SND_BELL, 1);
-					break;
-				}
-			}
-		}
-		if (ticks)
-			mod_timer(&kd_mksound_timer, jiffies + ticks);
-	} else
-		kd_nosound(0);
+	if (hz && ticks)
+		mod_timer(&kd_mksound_timer, jiffies + ticks);
 }
 EXPORT_SYMBOL(kd_mksound);
 
@@ -269,27 +275,34 @@ EXPORT_SYMBOL(kd_mksound);
  * Setting the keyboard rate.
  */
 
-int kbd_rate(struct kbd_repeat *rep)
+static int kbd_rate_helper(struct input_handle *handle, void *data)
 {
-	struct list_head *node;
-	unsigned int d = 0;
-	unsigned int p = 0;
-
-	list_for_each(node, &kbd_handler.h_list) {
-		struct input_handle *handle = to_handle_h(node);
-		struct input_dev *dev = handle->dev;
-
-		if (test_bit(EV_REP, dev->evbit)) {
-			if (rep->delay > 0)
-				input_inject_event(handle, EV_REP, REP_DELAY, rep->delay);
-			if (rep->period > 0)
-				input_inject_event(handle, EV_REP, REP_PERIOD, rep->period);
-			d = dev->rep[REP_DELAY];
-			p = dev->rep[REP_PERIOD];
-		}
+	struct input_dev *dev = handle->dev;
+	struct kbd_repeat *rep = data;
+
+	if (test_bit(EV_REP, dev->evbit)) {
+
+		if (rep[0].delay > 0)
+			input_inject_event(handle,
+					   EV_REP, REP_DELAY, rep[0].delay);
+		if (rep[0].period > 0)
+			input_inject_event(handle,
+					   EV_REP, REP_PERIOD, rep[0].period);
+
+		rep[1].delay = dev->rep[REP_DELAY];
+		rep[1].period = dev->rep[REP_PERIOD];
 	}
-	rep->delay  = d;
-	rep->period = p;
+
+	return 0;
+}
+
+int kbd_rate(struct kbd_repeat *rep)
+{
+	struct kbd_repeat data[2] = { *rep };
+
+	input_handler_for_each_handle(&kbd_handler, data, kbd_rate_helper);
+	*rep = data[1];	/* Copy currently used settings */
+
 	return 0;
 }
 
@@ -997,36 +1010,36 @@ static inline unsigned char getleds(void)
 	return leds;
 }
 
+static int kbd_update_leds_helper(struct input_handle *handle, void *data)
+{
+	unsigned char leds = *(unsigned char *)data;
+
+	if (test_bit(EV_LED, handle->dev->evbit)) {
+		input_inject_event(handle, EV_LED, LED_SCROLLL, !!(leds & 0x01));
+		input_inject_event(handle, EV_LED, LED_NUML,    !!(leds & 0x02));
+		input_inject_event(handle, EV_LED, LED_CAPSL,   !!(leds & 0x04));
+		input_inject_event(handle, EV_SYN, SYN_REPORT, 0);
+	}
+
+	return 0;
+}
+
 /*
- * This routine is the bottom half of the keyboard interrupt
- * routine, and runs with all interrupts enabled. It does
- * console changing, led setting and copy_to_cooked, which can
- * take a reasonably long time.
- *
- * Aside from timing (which isn't really that important for
- * keyboard interrupts as they happen often), using the software
- * interrupt routines for this thing allows us to easily mask
- * this when we don't want any of the above to happen.
- * This allows for easy and efficient race-condition prevention
- * for kbd_start => input_inject_event(dev, EV_LED, ...) => ...
+ * This is the tasklet that updates LED state on all keyboards
+ * attached to the box. The reason we use tasklet is that we
+ * need to handle the scenario when keyboard handler is not
+ * registered yet but we already getting updates form VT to
+ * update led state.
  */
-
 static void kbd_bh(unsigned long dummy)
 {
-	struct list_head *node;
 	unsigned char leds = getleds();
 
 	if (leds != ledstate) {
-		list_for_each(node, &kbd_handler.h_list) {
-			struct input_handle *handle = to_handle_h(node);
-			input_inject_event(handle, EV_LED, LED_SCROLLL, !!(leds & 0x01));
-			input_inject_event(handle, EV_LED, LED_NUML,    !!(leds & 0x02));
-			input_inject_event(handle, EV_LED, LED_CAPSL,   !!(leds & 0x04));
-			input_inject_event(handle, EV_SYN, SYN_REPORT, 0);
-		}
+		input_handler_for_each_handle(&kbd_handler, &leds,
+					      kbd_update_leds_helper);
+		ledstate = leds;
 	}
-
-	ledstate = leds;
 }
 
 DECLARE_TASKLET_DISABLED(keyboard_tasklet, kbd_bh, 0);
@@ -1136,7 +1149,7 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode, unsigned char u
 static void kbd_rawcode(unsigned char data)
 {
 	struct vc_data *vc = vc_cons[fg_console].d;
-	kbd = kbd_table + fg_console;
+	kbd = kbd_table + vc->vc_num;
 	if (kbd->kbdmode == VC_RAW)
 		put_queue(vc, data);
 }
@@ -1157,7 +1170,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
 		tty->driver_data = vc;
 	}
 
-	kbd = kbd_table + fg_console;
+	kbd = kbd_table + vc->vc_num;
 
 	if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTAL