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:
  Input: remove scan_keyb driver
  Input: i8042 - fix AUX IRQ delivery check
  Input: wistron - add support for Fujitsu-Siemens Amilo D88x0
  Input: inport - use correct config option for ATIXL
  Input: HIL - handle erros from input_register_device()
  Input: tsdev - schedule removal
  Input: add Atlas button driver
  Input: ads7846 - be more compatible with the hwmon framework
  Input: ads7846 - detect pen up from GPIO state
  Input: ads7846 - select correct SPI mode
  Input: ads7846 - switch to using hrtimer
  Input: ads7846 - optionally leave Vref on during differential measurements
  Input: ads7846 - pluggable filtering logic
  Input: gpio-keys - keyboard driver for GPIO buttons
  Input: hid-ff - add support for Logitech Momo racing wheel
  Input: i8042 - really suppress ACK/NAK during panic blink
  Input: pc110pad - return proper error

14 files changed, 843 insertions, 253 deletions

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 049f2f544e7..1b81a72e19d 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -135,12 +135,12 @@ config KEYBOARD_STOWAWAY
 config KEYBOARD_CORGI
 	tristate "Corgi keyboard"
 	depends on PXA_SHARPSL
-	default y	
+	default y
 	help
-	  Say Y here to enable the keyboard on the Sharp Zaurus SL-C7xx 
+	  Say Y here to enable the keyboard on the Sharp Zaurus SL-C7xx
 	  series of PDAs.
 
-	  To compile this driver as a module, choose M here: the 
+	  To compile this driver as a module, choose M here: the
 	  module will be called corgikbd.
 
 config KEYBOARD_SPITZ
@@ -214,4 +214,17 @@ config KEYBOARD_AAED2000
 	  To compile this driver as a module, choose M here: the
 	  module will be called aaed2000_kbd.
 
+config KEYBOARD_GPIO
+        tristate "Buttons on CPU GPIOs (PXA)"
+        depends on ARCH_PXA
+	help
+	  This driver implements support for buttons connected
+	  directly to GPIO pins of PXA CPUs.
+
+	  Say Y here if your device has buttons connected
+	  directly to GPIO pins of the CPU.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called gpio-keys.
+
 endif
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 56879790734..586a0fe53be 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_KEYBOARD_CORGI)		+= corgikbd.o
 obj-$(CONFIG_KEYBOARD_SPITZ)		+= spitzkbd.o
 obj-$(CONFIG_KEYBOARD_HIL)		+= hil_kbd.o
 obj-$(CONFIG_KEYBOARD_HIL_OLD)		+= hilkbd.o
-obj-$(CONFIG_KEYBOARD_OMAP)             += omap-keypad.o
-obj-$(CONFIG_KEYBOARD_AAED2000)         += aaed2000_kbd.o
+obj-$(CONFIG_KEYBOARD_OMAP)		+= omap-keypad.o
+obj-$(CONFIG_KEYBOARD_AAED2000)		+= aaed2000_kbd.o
+obj-$(CONFIG_KEYBOARD_GPIO)		+= gpio_keys.o
 
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
new file mode 100644
index 00000000000..3a8f1b427a7
--- /dev/null
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -0,0 +1,147 @@
+/*
+ * Driver for keys on GPIO lines capable of generating interrupts.
+ *
+ * Copyright 2005 Phil Blundell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/version.h>
+
+#include <linux/init.h>
+#include <linux/fs.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/sched.h>
+#include <linux/pm.h>
+#include <linux/sysctl.h>
+#include <linux/proc_fs.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/irq.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+
+#include <asm/hardware/gpio_keys.h>
+
+static irqreturn_t gpio_keys_isr(int irq, void *dev_id)
+{
+	int i;
+	struct platform_device *pdev = dev_id;
+	struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
+	struct input_dev *input = platform_get_drvdata(pdev);
+
+	for (i = 0; i < pdata->nbuttons; i++) {
+		int gpio = pdata->buttons[i].gpio;
+		if (irq == IRQ_GPIO(gpio)) {
+			int state = ((GPLR(gpio) & GPIO_bit(gpio)) ? 1 : 0) ^ (pdata->buttons[i].active_low);
+
+			input_report_key(input, pdata->buttons[i].keycode, state);
+			input_sync(input);
+		}
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int __devinit gpio_keys_probe(struct platform_device *pdev)
+{
+	struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
+	struct input_dev *input;
+	int i, error;
+
+	input = input_allocate_device();
+	if (!input)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, input);
+
+	input->evbit[0] = BIT(EV_KEY);
+
+	input->name = pdev->name;
+	input->phys = "gpio-keys/input0";
+	input->cdev.dev = &pdev->dev;
+	input->private = pdata;
+
+	input->id.bustype = BUS_HOST;
+	input->id.vendor = 0x0001;
+	input->id.product = 0x0001;
+	input->id.version = 0x0100;
+
+	for (i = 0; i < pdata->nbuttons; i++) {
+		int code = pdata->buttons[i].keycode;
+		int irq = IRQ_GPIO(pdata->buttons[i].gpio);
+
+		set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
+		error = request_irq(irq, gpio_keys_isr, SA_SAMPLE_RANDOM,
+				     pdata->buttons[i].desc ? pdata->buttons[i].desc : "gpio_keys",
+				     pdev);
+		if (error) {
+			printk(KERN_ERR "gpio-keys: unable to claim irq %d; error %d\n", irq, ret);
+			goto fail;
+		}
+		set_bit(code, input->keybit);
+	}
+
+	error = input_register_device(input);
+	if (error) {
+		printk(KERN_ERR "Unable to register gpio-keys input device\n");
+		goto fail;
+	}
+
+	return 0;
+
+ fail:
+	for (i = i - 1; i >= 0; i--)
+		free_irq(IRQ_GPIO(pdata->buttons[i].gpio), pdev);
+
+	input_free_device(input);
+
+	return error;
+}
+
+static int __devexit gpio_keys_remove(struct platform_device *pdev)
+{
+	struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
+	struct input_dev *input = platform_get_drvdata(pdev);
+	int i;
+
+	for (i = 0; i < pdata->nbuttons; i++) {
+		int irq = IRQ_GPIO(pdata->buttons[i].gpio);
+		free_irq(irq, pdev);
+	}
+
+	input_unregister_device(input);
+
+	return 0;
+}
+
+struct platform_driver gpio_keys_device_driver = {
+	.probe		= gpio_keys_probe,
+	.remove		= __devexit_p(gpio_keys_remove),
+	.driver		= {
+		.name	= "gpio-keys",
+	}
+};
+
+static int __init gpio_keys_init(void)
+{
+	return platform_driver_register(&gpio_keys_device_driver);
+}
+
+static void __exit gpio_keys_exit(void)
+{
+	platform_driver_unregister(&gpio_keys_device_driver);
+}
+
+module_init(gpio_keys_init);
+module_exit(gpio_keys_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Phil Blundell <pb@handhelds.org>");
+MODULE_DESCRIPTION("Keyboard driver for CPU GPIOs");
diff --git a/drivers/input/keyboard/hilkbd.c b/drivers/input/keyboard/hilkbd.c
index 35461eab2fa..255a6ec75a4 100644
--- a/drivers/input/keyboard/hilkbd.c
+++ b/drivers/input/keyboard/hilkbd.c
@@ -6,10 +6,10 @@
  *  Copyright (C) 1999-2006 Helge Deller <deller@gmx.de>
  *
  *  Very basic HP Human Interface Loop (HIL) driver.
- *  This driver handles the keyboard on HP300 (m68k) and on some 
+ *  This driver handles the keyboard on HP300 (m68k) and on some
  *  HP700 (parisc) series machines.
  *
- * 
+ *
  * This file is subject to the terms and conditions of the GNU General Public
  * License version 2.  See the file COPYING in the main directory of this
  * archive for more details.
@@ -64,9 +64,9 @@ MODULE_LICENSE("GPL v2");
 #endif
 
 
- 
+
 /* HIL helper functions */
- 
+
 #define hil_busy()              (hil_readb(HILBASE + HIL_CMD) & HIL_BUSY)
 #define hil_data_available()    (hil_readb(HILBASE + HIL_CMD) & HIL_DATA_RDY)
 #define hil_status()            (hil_readb(HILBASE + HIL_CMD))
@@ -75,7 +75,7 @@ MODULE_LICENSE("GPL v2");
 #define hil_write_data(x)       do { hil_writeb((x), HILBASE + HIL_DATA); } while (0)
 
 /* HIL constants */
- 
+
 #define	HIL_BUSY		0x02
 #define	HIL_DATA_RDY		0x01
 
@@ -86,10 +86,10 @@ MODULE_LICENSE("GPL v2");
 #define	HIL_INTON		0x5C		/* Turn on interrupts. */
 #define	HIL_INTOFF		0x5D		/* Turn off interrupts. */
 
-#define	HIL_READKBDSADR	 	0xF9
-#define	HIL_WRITEKBDSADR 	0xE9
+#define	HIL_READKBDSADR		0xF9
+#define	HIL_WRITEKBDSADR	0xE9
 
-static unsigned int hphilkeyb_keycode[HIL_KEYCODES_SET1_TBLSIZE] = 
+static unsigned int hphilkeyb_keycode[HIL_KEYCODES_SET1_TBLSIZE] =
 	{ HIL_KEYCODES_SET1 };
 
 /* HIL structure */
@@ -97,11 +97,11 @@ static struct {
 	struct input_dev *dev;
 
 	unsigned int curdev;
-	
+
 	unsigned char s;
 	unsigned char c;
 	int valid;
-	
+
 	unsigned char data[16];
 	unsigned int ptr;
 	spinlock_t lock;
@@ -115,7 +115,7 @@ static void poll_finished(void)
 	int down;
 	int key;
 	unsigned char scode;
-	
+
 	switch (hil_dev.data[0]) {
 	case 0x40:
 		down = (hil_dev.data[1] & 1) == 0;
@@ -127,6 +127,7 @@ static void poll_finished(void)
 	hil_dev.curdev = 0;
 }
 
+
 static inline void handle_status(unsigned char s, unsigned char c)
 {
 	if (c & 0x8) {
@@ -143,6 +144,7 @@ static inline void handle_status(unsigned char s, unsigned char c)
 	}
 }
 
+
 static inline void handle_data(unsigned char s, unsigned char c)
 {
 	if (hil_dev.curdev) {
@@ -152,13 +154,11 @@ static inline void handle_data(unsigned char s, unsigned char c)
 }
 
 
-/* 
- * Handle HIL interrupts.
- */
+/* handle HIL interrupts */
 static irqreturn_t hil_interrupt(int irq, void *handle)
 {
 	unsigned char s, c;
-	
+
 	s = hil_status();
 	c = hil_read_data();
 
@@ -179,10 +179,8 @@ static irqreturn_t hil_interrupt(int irq, void *handle)
 	return IRQ_HANDLED;
 }
 
-/*
- * Send a command to the HIL
- */
 
+/* send a command to the HIL */
 static void hil_do(unsigned char cmd, unsigned char *data, unsigned int len)
 {
 	unsigned long flags;
@@ -200,16 +198,14 @@ static void hil_do(unsigned char cmd, unsigned char *data, unsigned int len)
 }
 
 
-/*
- * Initialise HIL. 
- */
-
+/* initialise HIL */
 static int __init
 hil_keyb_init(void)
 {
 	unsigned char c;
 	unsigned int i, kbid;
 	wait_queue_head_t hil_wait;
+	int err;
 
 	if (hil_dev.dev) {
 		return -ENODEV; /* already initialized */
@@ -219,15 +215,25 @@ hil_keyb_init(void)
 	if (!hil_dev.dev)
 		return -ENOMEM;
 	hil_dev.dev->private = &hil_dev;
-	
+
 #if defined(CONFIG_HP300)
-	if (!hwreg_present((void *)(HILBASE + HIL_DATA)))
-		return -ENODEV;
-	
-	request_region(HILBASE+HIL_DATA, 2, "hil");
+	if (!hwreg_present((void *)(HILBASE + HIL_DATA))) {
+		printk(KERN_ERR "HIL: hardware register was not found\n");
+		err = -ENODEV;
+		goto err1;
+	}
+	if (!request_region(HILBASE + HIL_DATA, 2, "hil")) {
+		printk(KERN_ERR "HIL: IOPORT region already used\n");
+		err = -EIO;
+		goto err1;
+	}
 #endif
-	
-	request_irq(HIL_IRQ, hil_interrupt, 0, "hil", hil_dev.dev_id);
+
+	err = request_irq(HIL_IRQ, hil_interrupt, 0, "hil", hil_dev.dev_id);
+	if (err) {
+		printk(KERN_ERR "HIL: Can't get IRQ\n");
+		goto err2;
+	}
 
 	/* Turn on interrupts */
 	hil_do(HIL_INTON, NULL, 0);
@@ -239,47 +245,63 @@ hil_keyb_init(void)
 	init_waitqueue_head(&hil_wait);
 	wait_event_interruptible_timeout(hil_wait, hil_dev.valid, 3*HZ);
 	if (!hil_dev.valid) {
-		printk(KERN_WARNING "HIL: timed out, assuming no keyboard present.\n");
+		printk(KERN_WARNING "HIL: timed out, assuming no keyboard present\n");
 	}
 
-	c = hil_dev.c; 
+	c = hil_dev.c;
 	hil_dev.valid = 0;
 	if (c == 0) {
 		kbid = -1;
-		printk(KERN_WARNING "HIL: no keyboard present.\n");
+		printk(KERN_WARNING "HIL: no keyboard present\n");
 	} else {
 		kbid = ffz(~c);
-		/* printk(KERN_INFO "HIL: keyboard found at id %d\n", kbid); */
+		printk(KERN_INFO "HIL: keyboard found at id %d\n", kbid);
 	}
 
 	/* set it to raw mode */
 	c = 0;
 	hil_do(HIL_WRITEKBDSADR, &c, 1);
-	
+
 	for (i = 0; i < HIL_KEYCODES_SET1_TBLSIZE; i++)
 		if (hphilkeyb_keycode[i] != KEY_RESERVED)
 			set_bit(hphilkeyb_keycode[i], hil_dev.dev->keybit);
 
-	hil_dev.dev->evbit[0]    = BIT(EV_KEY) | BIT(EV_REP);
-	hil_dev.dev->ledbit[0]   = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
-	hil_dev.dev->keycodemax  = HIL_KEYCODES_SET1_TBLSIZE;
-	hil_dev.dev->keycodesize = sizeof(hphilkeyb_keycode[0]);
-	hil_dev.dev->keycode     = hphilkeyb_keycode;
-	hil_dev.dev->name 	= "HIL keyboard";
-	hil_dev.dev->phys 	= "hpkbd/input0";
+	hil_dev.dev->evbit[0]	= BIT(EV_KEY) | BIT(EV_REP);
+	hil_dev.dev->ledbit[0]	= BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
+	hil_dev.dev->keycodemax	= HIL_KEYCODES_SET1_TBLSIZE;
+	hil_dev.dev->keycodesize= sizeof(hphilkeyb_keycode[0]);
+	hil_dev.dev->keycode	= hphilkeyb_keycode;
+	hil_dev.dev->name	= "HIL keyboard";
+	hil_dev.dev->phys	= "hpkbd/input0";
 
 	hil_dev.dev->id.bustype	= BUS_HIL;
 	hil_dev.dev->id.vendor	= PCI_VENDOR_ID_HP;
 	hil_dev.dev->id.product	= 0x0001;
 	hil_dev.dev->id.version	= 0x0010;
 
-	input_register_device(hil_dev.dev);
+	err = input_register_device(hil_dev.dev);
+	if (err) {
+		printk(KERN_ERR "HIL: Can't register device\n");
+		goto err3;
+	}
 	printk(KERN_INFO "input: %s, ID %d at 0x%08lx (irq %d) found and attached\n",
-		hil_dev.dev->name, kbid, HILBASE, HIL_IRQ);
+	       hil_dev.dev->name, kbid, HILBASE, HIL_IRQ);
 
 	return 0;
+
+err3:
+	hil_do(HIL_INTOFF, NULL, 0);
+	disable_irq(HIL_IRQ);
+	free_irq(HIL_IRQ, hil_dev.dev_id);
+err2:
+	release_region(HILBASE + HIL_DATA, 2);
+err1:
+	input_free_device(hil_dev.dev);
+	hil_dev.dev = NULL;
+	return err;
 }
 
+
 #if defined(CONFIG_PARISC)
 static int __init
 hil_init_chip(struct parisc_device *dev)
@@ -292,7 +314,7 @@ hil_init_chip(struct parisc_device *dev)
 	hil_base = dev->hpa.start;
 	hil_irq  = dev->irq;
 	hil_dev.dev_id = dev;
-	
+
 	printk(KERN_INFO "Found HIL bus at 0x%08lx, IRQ %d\n", hil_base, hil_irq);
 
 	return hil_keyb_init();
@@ -313,9 +335,6 @@ static struct parisc_driver hil_driver = {
 #endif /* CONFIG_PARISC */
 
 
-
-
-
 static int __init hil_init(void)
 {
 #if defined(CONFIG_PARISC)
@@ -349,4 +368,3 @@ static void __exit hil_exit(void)
 
 module_init(hil_init);
 module_exit(hil_exit);
-
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index ba0e88c64e1..41b42587f5e 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -50,6 +50,16 @@ config INPUT_WISTRON_BTNS
 	  To compile this driver as a module, choose M here: the module will
 	  be called wistron_btns.
 
+config INPUT_ATLAS_BTNS
+	tristate "x86 Atlas button interface"
+	depends on X86 && ACPI
+	help
+	  Say Y here for support of Atlas wallmount touchscreen buttons.
+	  The events will show up as scancodes F1 through F9 via evdev.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called atlas_btns.
+
 config INPUT_IXP4XX_BEEPER
 	tristate "IXP4XX Beeper support"
 	depends on ARCH_IXP4XX
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 415c4917898..e0a8d58c9e9 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -9,5 +9,6 @@ obj-$(CONFIG_INPUT_PCSPKR)		+= pcspkr.o
 obj-$(CONFIG_INPUT_M68K_BEEP)		+= m68kspkr.o
 obj-$(CONFIG_INPUT_UINPUT)		+= uinput.o
 obj-$(CONFIG_INPUT_WISTRON_BTNS)	+= wistron_btns.o
+obj-$(CONFIG_INPUT_ATLAS_BTNS)		+= atlas_btns.o
 obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o
 obj-$(CONFIG_INPUT_IXP4XX_BEEPER)	+= ixp4xx-beeper.o
diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
new file mode 100644
index 00000000000..0acc3a12360
--- /dev/null
+++ b/drivers/input/misc/atlas_btns.c
@@ -0,0 +1,170 @@
+/*
+ *  atlas_btns.c - Atlas Wallmount Touchscreen ACPI Extras
+ *
+ *  Copyright (C) 2006 Jaya Kumar
+ *  Based on Toshiba ACPI by John Belmonte and ASUS ACPI
+ *  This work was sponsored by CIS(M) Sdn Bhd.
+ *
+ *  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
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/types.h>
+#include <asm/uaccess.h>
+#include <acpi/acpi_drivers.h>
+
+#define ACPI_ATLAS_NAME			"Atlas ACPI"
+#define ACPI_ATLAS_CLASS		"Atlas"
+#define ACPI_ATLAS_BUTTON_HID		"ASIM0000"
+
+static struct input_dev *input_dev;
+
+/* button handling code */
+static acpi_status acpi_atlas_button_setup(acpi_handle region_handle,
+		    u32 function, void *handler_context, void **return_context)
+{
+	*return_context =
+		(function != ACPI_REGION_DEACTIVATE) ? handler_context : NULL;
+
+	return AE_OK;
+}
+
+static acpi_status acpi_atlas_button_handler(u32 function,
+		      acpi_physical_address address,
+		      u32 bit_width, acpi_integer *value,
+		      void *handler_context, void *region_context)
+{
+	acpi_status status;
+	int keycode;
+
+	if (function == ACPI_WRITE) {
+		keycode = KEY_F1 + (address & 0x0F);
+		input_report_key(input_dev, keycode, !(address & 0x10));
+		input_sync(input_dev);
+		status = 0;
+	} else {
+		printk(KERN_WARNING "atlas: shrugged on unexpected function"
+			":function=%x,address=%lx,value=%x\n",
+			function, (unsigned long)address, (u32)*value);
+		status = -EINVAL;
+	}
+
+	return status;
+}
+
+static int atlas_acpi_button_add(struct acpi_device *device)
+{
+	acpi_status status;
+	int err;
+
+	input_dev = input_allocate_device();
+	if (!input_dev) {
+		printk(KERN_ERR "atlas: unable to allocate input device\n");
+		return -ENOMEM;
+	}
+
+	input_dev->name = "Atlas ACPI button driver";
+	input_dev->phys = "ASIM0000/atlas/input0";
+	input_dev->id.bustype = BUS_HOST;
+	input_dev->evbit[LONG(EV_KEY)] = BIT(EV_KEY);
+
+	set_bit(KEY_F1, input_dev->keybit);
+	set_bit(KEY_F2, input_dev->keybit);
+	set_bit(KEY_F3, input_dev->keybit);
+	set_bit(KEY_F4, input_dev->keybit);
+	set_bit(KEY_F5, input_dev->keybit);
+	set_bit(KEY_F6, input_dev->keybit);
+	set_bit(KEY_F7, input_dev->keybit);
+	set_bit(KEY_F8, input_dev->keybit);
+	set_bit(KEY_F9, input_dev->keybit);
+
+	err = input_register_device(input_dev);
+	if (err) {
+		printk(KERN_ERR "atlas: couldn't register input device\n");
+		input_free_device(input_dev);
+		return err;
+	}
+
+	/* hookup button handler */
+	status = acpi_install_address_space_handler(device->handle,
+				0x81, &acpi_atlas_button_handler,
+				&acpi_atlas_button_setup, device);
+	if (ACPI_FAILURE(status)) {
+		printk(KERN_ERR "Atlas: Error installing addr spc handler\n");
+		input_unregister_device(input_dev);
+		status = -EINVAL;
+	}
+
+	return status;
+}
+
+static int atlas_acpi_button_remove(struct acpi_device *device, int type)
+{
+	acpi_status status;
+
+	status = acpi_remove_address_space_handler(device->handle,
+				0x81, &acpi_atlas_button_handler);
+	if (ACPI_FAILURE(status)) {
+		printk(KERN_ERR "Atlas: Error removing addr spc handler\n");
+		status = -EINVAL;
+	}
+
+	input_unregister_device(input_dev);
+
+	return status;
+}
+
+static struct acpi_driver atlas_acpi_driver = {
+	.name	= ACPI_ATLAS_NAME,
+	.class	= ACPI_ATLAS_CLASS,
+	.ids	= ACPI_ATLAS_BUTTON_HID,
+	.ops	= {
+		.add	= atlas_acpi_button_add,
+		.remove	= atlas_acpi_button_remove,
+	},
+};
+
+static int __init atlas_acpi_init(void)
+{
+	int result;
+
+	if (acpi_disabled)
+		return -ENODEV;
+
+	result = acpi_bus_register_driver(&atlas_acpi_driver);
+	if (result < 0) {
+		printk(KERN_ERR "Atlas ACPI: Unable to register driver\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static void __exit atlas_acpi_exit(void)
+{
+	acpi_bus_unregister_driver(&atlas_acpi_driver);
+}
+
+module_init(atlas_acpi_init);
+module_exit(atlas_acpi_exit);
+
+MODULE_AUTHOR("Jaya Kumar");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Atlas button driver");
+
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 7b9d1c1da41..e1183aeb8ed 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -335,6 +335,17 @@ static struct key_entry keymap_aopen_1559as[] = {
 	{ KE_END,  0 },
 };
 
+static struct key_entry keymap_fs_amilo_d88x0[] = {
+	{ KE_KEY, 0x01, KEY_HELP },
+	{ KE_KEY, 0x08, KEY_MUTE },
+	{ KE_KEY, 0x31, KEY_MAIL },
+	{ KE_KEY, 0x36, KEY_WWW },
+	{ KE_KEY, 0x11, KEY_PROG1 },
+	{ KE_KEY, 0x12, KEY_PROG2 },
+	{ KE_KEY, 0x13, KEY_PROG3 },
+	{ KE_END, 0 }
+};
+
 /*
  * If your machine is not here (which is currently rather likely), please send
  * a list of buttons and their key codes (reported when loading this module
@@ -413,6 +424,15 @@ static struct dmi_system_id dmi_ids[] __initdata = {
 		},
 		.driver_data = keymap_wistron_ms2111
 	},
+	{
+		.callback = dmi_matched,
+		.ident = "Fujitsu Siemens Amilo D88x0",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
+		},
+		.driver_data = keymap_fs_amilo_d88x0
+	},
 	{ NULL, }
 };
 
diff --git a/drivers/input/mouse/inport.c b/drivers/input/mouse/inport.c
index 13dd96785e3..701ebd5473c 100644
--- a/drivers/input/mouse/inport.c
+++ b/drivers/input/mouse/inport.c
@@ -61,7 +61,7 @@ MODULE_LICENSE("GPL");
 #define INPORT_REG_MODE		0x07
 #define INPORT_RESET		0x80
 
-#ifdef CONFIG_INPUT_ATIXL
+#ifdef CONFIG_MOUSE_ATIXL
 #define INPORT_NAME		"ATI XL Mouse"
 #define INPORT_VENDOR		0x0002
 #define INPORT_SPEED_30HZ	0x01
diff --git a/drivers/input/mouse/pc110pad.c b/drivers/input/mouse/pc110pad.c
index f155c1fea04..05d992e514f 100644
--- a/drivers/input/mouse/pc110pad.c
+++ b/drivers/input/mouse/pc110pad.c
@@ -113,7 +113,7 @@ static int __init pc110pad_init(void)
 	dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
 	if (dev) {
 		pci_dev_put(dev);
-		return -ENOENT;
+		return -ENODEV;
 	}
 
 	if (!request_region(pc110pad_io, 4, "pc110pad")) {
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index debe9445488..c3fdfc1f342 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -371,7 +371,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
 	if (unlikely(i8042_suppress_kbd_ack))
 		if (port_no == I8042_KBD_PORT_NO &&
 		    (data == 0xfa || data == 0xfe)) {
-			i8042_suppress_kbd_ack = 0;
+			i8042_suppress_kbd_ack--;
 			goto out;
 		}
 
@@ -543,6 +543,7 @@ static int __devinit i8042_check_aux(void)
 {
 	int retval = -1;
 	int irq_registered = 0;
+	int aux_loop_broken = 0;
 	unsigned long flags;
 	unsigned char param;
 
@@ -572,6 +573,8 @@ static int __devinit i8042_check_aux(void)
 		if (i8042_command(&param, I8042_CMD_AUX_TEST) ||
 		    (param && param != 0xfa && param != 0xff))
 			return -1;
+
+		aux_loop_broken = 1;
 	}
 
 /*
@@ -595,7 +598,7 @@ static int __devinit i8042_check_aux(void)
  * used it for a PCI card or somethig else.
  */
 
-	if (i8042_noloop) {
+	if (i8042_noloop || aux_loop_broken) {
 /*
  * Without LOOP command we can't test AUX IRQ delivery. Assume the port
  * is working and hope we are right.
@@ -838,13 +841,14 @@ static long i8042_panic_blink(long count)
 	led ^= 0x01 | 0x04;
 	while (i8042_read_status() & I8042_STR_IBF)
 		DELAY;
-	i8042_suppress_kbd_ack = 1;
+	dbg("%02x -> i8042 (panic blink)", 0xed);
+	i8042_suppress_kbd_ack = 2;
 	i8042_write_data(0xed); /* set leds */
 	DELAY;
 	while (i8042_read_status() & I8042_STR_IBF)
 		DELAY;
 	DELAY;
-	i8042_suppress_kbd_ack = 1;
+	dbg("%02x -> i8042 (panic blink)", led);
 	i8042_write_data(led);
 	DELAY;
 	last_blink = count;
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 6b46c9bf1d2..971618059a6 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -12,13 +12,18 @@ menuconfig INPUT_TOUCHSCREEN
 if INPUT_TOUCHSCREEN
 
 config TOUCHSCREEN_ADS7846
-	tristate "ADS 7846 based touchscreens"
+	tristate "ADS 7846/7843 based touchscreens"
 	depends on SPI_MASTER
+	depends on HWMON = n || HWMON
 	help
 	  Say Y here if you have a touchscreen interface using the
-	  ADS7846 controller, and your board-specific initialization
+	  ADS7846 or ADS7843 controller, and your board-specific setup
 	  code includes that in its table of SPI devices.
 
+	  If HWMON is selected, and the driver is told the reference voltage
+	  on your board, you will also get hwmon interfaces for the voltage
+	  (and on ads7846, temperature) sensors of this chip.
+
 	  If unsure, say N (but it's safe to say "Y").
 
 	  To compile this driver as a module, choose M here: the
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index c6164b6f476..cd251efda41 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -17,8 +17,9 @@
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  */
-#include <linux/device.h>
+#include <linux/hwmon.h>
 #include <linux/init.h>
+#include <linux/err.h>
 #include <linux/delay.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
@@ -54,7 +55,8 @@
  * files.
  */
 
-#define	TS_POLL_PERIOD	msecs_to_jiffies(10)
+#define TS_POLL_DELAY	(1 * 1000000)	/* ns delay before the first sample */
+#define TS_POLL_PERIOD	(5 * 1000000)	/* ns delay between samples */
 
 /* this driver doesn't aim at the peak continuous sample rate */
 #define	SAMPLE_BITS	(8 /*cmd*/ + 16 /*sample*/ + 2 /* before, after */)
@@ -63,12 +65,12 @@ struct ts_event {
 	/* For portability, we can't read 12 bit values using SPI (which
 	 * would make the controller deliver them as native byteorder u16
 	 * with msbs zeroed).  Instead, we read them as two 8-bit values,
-	 * which need byteswapping then range adjustment.
+	 * *** WHICH NEED BYTESWAPPING *** and range adjustment.
 	 */
-	__be16 x;
-	__be16 y;
-	__be16 z1, z2;
-	int    ignore;
+	u16	x;
+	u16	y;
+	u16	z1, z2;
+	int	ignore;
 };
 
 struct ads7846 {
@@ -76,7 +78,12 @@ struct ads7846 {
 	char			phys[32];
 
 	struct spi_device	*spi;
+
+#if defined(CONFIG_HWMON) || defined(CONFIG_HWMON_MODULE)
 	struct attribute_group	*attr_group;
+	struct class_device	*hwmon;
+#endif
+
 	u16			model;
 	u16			vref_delay_usecs;
 	u16			x_plate_ohms;
@@ -99,13 +106,16 @@ struct ads7846 {
 	u16			debounce_rep;
 
 	spinlock_t		lock;
-	struct timer_list	timer;		/* P: lock */
+	struct hrtimer		timer;
 	unsigned		pendown:1;	/* P: lock */
 	unsigned		pending:1;	/* P: lock */
 // FIXME remove "irq_disabled"
 	unsigned		irq_disabled:1;	/* P: lock */
 	unsigned		disabled:1;
 
+	int			(*filter)(void *data, int data_idx, int *val);
+	void			*filter_data;
+	void			(*filter_cleanup)(void *data);
 	int			(*get_pendown_state)(void);
 };
 
@@ -142,15 +152,16 @@ struct ads7846 {
 #define	MAX_12BIT	((1<<12)-1)
 
 /* leave ADC powered up (disables penirq) between differential samples */
-#define	READ_12BIT_DFR(x) (ADS_START | ADS_A2A1A0_d_ ## x \
-	| ADS_12_BIT | ADS_DFR)
+#define	READ_12BIT_DFR(x, adc, vref) (ADS_START | ADS_A2A1A0_d_ ## x \
+	| ADS_12_BIT | ADS_DFR | \
+	(adc ? ADS_PD10_ADC_ON : 0) | (vref ? ADS_PD10_REF_ON : 0))
 
-#define	READ_Y	(READ_12BIT_DFR(y)  | ADS_PD10_ADC_ON)
-#define	READ_Z1	(READ_12BIT_DFR(z1) | ADS_PD10_ADC_ON)
-#define	READ_Z2	(READ_12BIT_DFR(z2) | ADS_PD10_ADC_ON)
+#define	READ_Y(vref)	(READ_12BIT_DFR(y,  1, vref))
+#define	READ_Z1(vref)	(READ_12BIT_DFR(z1, 1, vref))
+#define	READ_Z2(vref)	(READ_12BIT_DFR(z2, 1, vref))
 
-#define	READ_X	(READ_12BIT_DFR(x)  | ADS_PD10_ADC_ON)
-#define	PWRDOWN	(READ_12BIT_DFR(y)  | ADS_PD10_PDOWN)	/* LAST */
+#define	READ_X(vref)	(READ_12BIT_DFR(x,  1, vref))
+#define	PWRDOWN		(READ_12BIT_DFR(y,  0, 0))	/* LAST */
 
 /* single-ended samples need to first power up reference voltage;
  * we leave both ADC and VREF powered
@@ -158,14 +169,19 @@ struct ads7846 {
 #define	READ_12BIT_SER(x) (ADS_START | ADS_A2A1A0_ ## x \
 	| ADS_12_BIT | ADS_SER)
 
-#define	REF_ON	(READ_12BIT_DFR(x) | ADS_PD10_ALL_ON)
-#define	REF_OFF	(READ_12BIT_DFR(y) | ADS_PD10_PDOWN)
+#define	REF_ON	(READ_12BIT_DFR(x, 1, 1))
+#define	REF_OFF	(READ_12BIT_DFR(y, 0, 0))
 
 /*--------------------------------------------------------------------------*/
 
 /*
  * Non-touchscreen sensors only use single-ended conversions.
+ * The range is GND..vREF. The ads7843 and ads7835 must use external vREF;
+ * ads7846 lets that pin be unconnected, to use internal vREF.
  */
+static unsigned vREF_mV;
+module_param(vREF_mV, uint, 0);
+MODULE_PARM_DESC(vREF_mV, "external vREF voltage, in milliVolts");
 
 struct ser_req {
 	u8			ref_on;
@@ -193,50 +209,55 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
 	struct ser_req		*req = kzalloc(sizeof *req, GFP_KERNEL);
 	int			status;
 	int			sample;
-	int			i;
+	int			use_internal;
 
 	if (!req)
 		return -ENOMEM;
 
 	spi_message_init(&req->msg);
 
-	/* activate reference, so it has time to settle; */
-	req->ref_on = REF_ON;
-	req->xfer[0].tx_buf = &req->ref_on;
-	req->xfer[0].len = 1;
-	req->xfer[1].rx