9 files changed, 284 insertions, 6 deletions

diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index c0ec7d42c3be..8c4b50fd9a79 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -26,10 +26,14 @@ static void copy_abs(struct input_dev *dev, unsigned int dst, unsigned int src)
  * input_mt_init_slots() - initialize MT input slots
  * @dev: input device supporting MT events and finger tracking
  * @num_slots: number of slots used by the device
+ * @flags: mt tasks to handle in core
  *
  * This function allocates all necessary memory for MT slot handling
  * in the input device, prepares the ABS_MT_SLOT and
  * ABS_MT_TRACKING_ID events for use and sets up appropriate buffers.
+ * Depending on the flags set, it also performs pointer emulation and
+ * frame synchronization.
+ *
  * May be called repeatedly. Returns -EINVAL if attempting to
  * reinitialize with a different number of slots.
  */
@@ -247,7 +251,7 @@ void input_mt_sync_frame(struct input_dev *dev)
 
         if (mt->flags & INPUT_MT_DROP_UNUSED) {
                 for (s = mt->slots; s != mt->slots + mt->num_slots; s++) {
-                        if (s->frame == mt->frame)
+                        if (input_mt_is_used(mt, s))
                                 continue;
                         input_mt_slot(dev, s - mt->slots);
                         input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1);
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index de0874054e9f..febead4bf8a5 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -409,7 +409,7 @@ config KEYBOARD_NEWTON
 
 config KEYBOARD_NOMADIK
         tristate "ST-Ericsson Nomadik SKE keyboard"
-        depends on PLAT_NOMADIK
+        depends on (ARCH_NOMADIK || ARCH_U8500)
         select INPUT_MATRIXKMAP
         help
           Say Y here if you want to use a keypad provided on the SKE controller
@@ -544,6 +544,7 @@ config KEYBOARD_OMAP
 
 config KEYBOARD_OMAP4
         tristate "TI OMAP4+ keypad support"
+        depends on ARCH_OMAP2PLUS
         select INPUT_MATRIXKMAP
         help
           Say Y here if you want to use the OMAP4+ keypad.
diff --git a/drivers/input/matrix-keymap.c b/drivers/input/matrix-keymap.c
index 443ad64b7f2a..d88d9be1d1b7 100644
--- a/drivers/input/matrix-keymap.c
+++ b/drivers/input/matrix-keymap.c
@@ -23,6 +23,7 @@
 #include <linux/input.h>
 #include <linux/of.h>
 #include <linux/export.h>
+#include <linux/module.h>
 #include <linux/input/matrix_keypad.h>
 
 static bool matrix_keypad_map_key(struct input_dev *input_dev,
@@ -161,3 +162,5 @@ int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data,
         return 0;
 }
 EXPORT_SYMBOL(matrix_keypad_build_keymap);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 7c0f1ecfdd7a..104a7c3153c0 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -72,6 +72,16 @@ config INPUT_AD714X_SPI
           To compile this driver as a module, choose M here: the
           module will be called ad714x-spi.
 
+config INPUT_ARIZONA_HAPTICS
+        tristate "Arizona haptics support"
+        depends on MFD_ARIZONA && SND_SOC
+        select INPUT_FF_MEMLESS
+        help
+          Say Y to enable support for the haptics module in Arizona CODECs.
+
+          To compile this driver as a module, choose M here: the
+          module will be called arizona-haptics.
+
 config INPUT_BMA150
         tristate "BMA150/SMB380 acceleration sensor support"
         depends on I2C
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 83fe6f5b77d1..5ea769eda999 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_INPUT_ADXL34X)		+= adxl34x.o
 obj-$(CONFIG_INPUT_ADXL34X_I2C)         += adxl34x-i2c.o
 obj-$(CONFIG_INPUT_ADXL34X_SPI)         += adxl34x-spi.o
 obj-$(CONFIG_INPUT_APANEL)              += apanel.o
+obj-$(CONFIG_INPUT_ARIZONA_HAPTICS)     += arizona-haptics.o
 obj-$(CONFIG_INPUT_ATI_REMOTE2)         += ati_remote2.o
 obj-$(CONFIG_INPUT_ATLAS_BTNS)          += atlas_btns.o
 obj-$(CONFIG_INPUT_BFIN_ROTARY)         += bfin_rotary.o
diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c
new file mode 100644
index 000000000000..7a04f54ef961
--- /dev/null
+++ b/drivers/input/misc/arizona-haptics.c
@@ -0,0 +1,255 @@
+/*
+ * Arizona haptics driver
+ *
+ * Copyright 2012 Wolfson Microelectronics plc
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * 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/platform_device.h>
+#include <linux/input.h>
+#include <linux/slab.h>
+
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <linux/mfd/arizona/core.h>
+#include <linux/mfd/arizona/pdata.h>
+#include <linux/mfd/arizona/registers.h>
+
+struct arizona_haptics {
+        struct arizona *arizona;
+        struct input_dev *input_dev;
+        struct work_struct work;
+
+        struct mutex mutex;
+        u8 intensity;
+};
+
+static void arizona_haptics_work(struct work_struct *work)
+{
+        struct arizona_haptics *haptics = container_of(work,
+                                                       struct arizona_haptics,
+                                                       work);
+        struct arizona *arizona = haptics->arizona;
+        struct mutex *dapm_mutex = &arizona->dapm->card->dapm_mutex;
+        int ret;
+
+        if (!haptics->arizona->dapm) {
+                dev_err(arizona->dev, "No DAPM context\n");
+                return;
+        }
+
+        if (haptics->intensity) {
+                ret = regmap_update_bits(arizona->regmap,
+                                         ARIZONA_HAPTICS_PHASE_2_INTENSITY,
+                                         ARIZONA_PHASE2_INTENSITY_MASK,
+                                         haptics->intensity);
+                if (ret != 0) {
+                        dev_err(arizona->dev, "Failed to set intensity: %d\n",
+                                ret);
+                        return;
+                }
+
+                /* This enable sequence will be a noop if already enabled */
+                ret = regmap_update_bits(arizona->regmap,
+                                         ARIZONA_HAPTICS_CONTROL_1,
+                                         ARIZONA_HAP_CTRL_MASK,
+                                         1 << ARIZONA_HAP_CTRL_SHIFT);
+                if (ret != 0) {
+                        dev_err(arizona->dev, "Failed to start haptics: %d\n",
+                                ret);
+                        return;
+                }
+
+                mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+
+                ret = snd_soc_dapm_enable_pin(arizona->dapm, "HAPTICS");
+                if (ret != 0) {
+                        dev_err(arizona->dev, "Failed to start HAPTICS: %d\n",
+                                ret);
+                        mutex_unlock(dapm_mutex);
+                        return;
+                }
+
+                ret = snd_soc_dapm_sync(arizona->dapm);
+                if (ret != 0) {
+                        dev_err(arizona->dev, "Failed to sync DAPM: %d\n",
+                                ret);
+                        mutex_unlock(dapm_mutex);
+                        return;
+                }
+
+                mutex_unlock(dapm_mutex);
+
+        } else {
+                /* This disable sequence will be a noop if already enabled */
+                mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+
+                ret = snd_soc_dapm_disable_pin(arizona->dapm, "HAPTICS");
+                if (ret != 0) {
+                        dev_err(arizona->dev, "Failed to disable HAPTICS: %d\n",
+                                ret);
+                        mutex_unlock(dapm_mutex);
+                        return;
+                }
+
+                ret = snd_soc_dapm_sync(arizona->dapm);
+                if (ret != 0) {
+                        dev_err(arizona->dev, "Failed to sync DAPM: %d\n",
+                                ret);
+                        mutex_unlock(dapm_mutex);
+                        return;
+                }
+
+                mutex_unlock(dapm_mutex);
+
+                ret = regmap_update_bits(arizona->regmap,
+                                         ARIZONA_HAPTICS_CONTROL_1,
+                                         ARIZONA_HAP_CTRL_MASK,
+                                         1 << ARIZONA_HAP_CTRL_SHIFT);
+                if (ret != 0) {
+                        dev_err(arizona->dev, "Failed to stop haptics: %d\n",
+                                ret);
+                        return;
+                }
+        }
+}
+
+static int arizona_haptics_play(struct input_dev *input, void *data,
+                                struct ff_effect *effect)
+{
+        struct arizona_haptics *haptics = input_get_drvdata(input);
+        struct arizona *arizona = haptics->arizona;
+
+        if (!arizona->dapm) {
+                dev_err(arizona->dev, "No DAPM context\n");
+                return -EBUSY;
+        }
+
+        if (effect->u.rumble.strong_magnitude) {
+                /* Scale the magnitude into the range the device supports */
+                if (arizona->pdata.hap_act) {
+                        haptics->intensity =
+                                effect->u.rumble.strong_magnitude >> 9;
+                        if (effect->direction < 0x8000)
+                                haptics->intensity += 0x7f;
+                } else {
+                        haptics->intensity =
+                                effect->u.rumble.strong_magnitude >> 8;
+                }
+        } else {
+                haptics->intensity = 0;
+        }
+
+        schedule_work(&haptics->work);
+
+        return 0;
+}
+
+static void arizona_haptics_close(struct input_dev *input)
+{
+        struct arizona_haptics *haptics = input_get_drvdata(input);
+        struct mutex *dapm_mutex = &haptics->arizona->dapm->card->dapm_mutex;
+
+        cancel_work_sync(&haptics->work);
+
+        mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+
+        if (haptics->arizona->dapm)
+                snd_soc_dapm_disable_pin(haptics->arizona->dapm, "HAPTICS");
+
+        mutex_unlock(dapm_mutex);
+}
+
+static int arizona_haptics_probe(struct platform_device *pdev)
+{
+        struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
+        struct arizona_haptics *haptics;
+        int ret;
+
+        haptics = devm_kzalloc(&pdev->dev, sizeof(*haptics), GFP_KERNEL);
+        if (!haptics)
+                return -ENOMEM;
+
+        haptics->arizona = arizona;
+
+        ret = regmap_update_bits(arizona->regmap, ARIZONA_HAPTICS_CONTROL_1,
+                                 ARIZONA_HAP_ACT, arizona->pdata.hap_act);
+        if (ret != 0) {
+                dev_err(arizona->dev, "Failed to set haptics actuator: %d\n",
+                        ret);
+                return ret;
+        }
+
+        INIT_WORK(&haptics->work, arizona_haptics_work);
+
+        haptics->input_dev = input_allocate_device();
+        if (haptics->input_dev == NULL) {
+                dev_err(arizona->dev, "Failed to allocate input device\n");
+                return -ENOMEM;
+        }
+
+        input_set_drvdata(haptics->input_dev, haptics);
+
+        haptics->input_dev->name = "arizona:haptics";
+        haptics->input_dev->dev.parent = pdev->dev.parent;
+        haptics->input_dev->close = arizona_haptics_close;
+        __set_bit(FF_RUMBLE, haptics->input_dev->ffbit);
+
+        ret = input_ff_create_memless(haptics->input_dev, NULL,
+                                      arizona_haptics_play);
+        if (ret < 0) {
+                dev_err(arizona->dev, "input_ff_create_memless() failed: %d\n",
+                        ret);
+                goto err_ialloc;
+        }
+
+        ret = input_register_device(haptics->input_dev);
+        if (ret < 0) {
+                dev_err(arizona->dev, "couldn't register input device: %d\n",
+                        ret);
+                goto err_iff;
+        }
+
+        platform_set_drvdata(pdev, haptics);
+
+        return 0;
+
+err_iff:
+        if (haptics->input_dev)
+                input_ff_destroy(haptics->input_dev);
+err_ialloc:
+        input_free_device(haptics->input_dev);
+
+        return ret;
+}
+
+static int arizona_haptics_remove(struct platform_device *pdev)
+{
+        struct arizona_haptics *haptics = platform_get_drvdata(pdev);
+
+        input_unregister_device(haptics->input_dev);
+
+        return 0;
+}
+
+static struct platform_driver arizona_haptics_driver = {
+        .probe          = arizona_haptics_probe,
+        .remove         = arizona_haptics_remove,
+        .driver         = {
+                .name   = "arizona-haptics",
+                .owner  = THIS_MODULE,
+        },
+};
+module_platform_driver(arizona_haptics_driver);
+
+MODULE_ALIAS("platform:arizona-haptics");
+MODULE_DESCRIPTION("Arizona haptics driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 8f02e3d0e712..4c842c320c2e 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -12,8 +12,8 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #define MOUSEDEV_MINOR_BASE     32
-#define MOUSEDEV_MINORS         32
-#define MOUSEDEV_MIX            31
+#define MOUSEDEV_MINORS         31
+#define MOUSEDEV_MIX            63
 
 #include <linux/sched.h>
 #include <linux/slab.h>
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index f02028ec3db6..78e5d9ab0ba7 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -955,7 +955,8 @@ static int ads7846_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(ads7846_pm, ads7846_suspend, ads7846_resume);
 
-static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads7846 *ts)
+static int __devinit ads7846_setup_pendown(struct spi_device *spi,
+                                           struct ads7846 *ts)
 {
         struct ads7846_platform_data *pdata = spi->dev.platform_data;
         int err;
@@ -981,6 +982,9 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784
 
                 ts->gpio_pendown = pdata->gpio_pendown;
 
+                if (pdata->gpio_pendown_debounce)
+                        gpio_set_debounce(pdata->gpio_pendown,
+                                          pdata->gpio_pendown_debounce);
         } else {
                 dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
                 return -EINVAL;
diff --git a/drivers/input/touchscreen/atmel_tsadcc.c b/drivers/input/touchscreen/atmel_tsadcc.c
index 201b2d2ec1b3..ea392ee138ed 100644
--- a/drivers/input/touchscreen/atmel_tsadcc.c
+++ b/drivers/input/touchscreen/atmel_tsadcc.c
@@ -22,7 +22,7 @@
 #include <linux/clk.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
-#include <mach/board.h>
+#include <linux/platform_data/atmel.h>
 #include <mach/cpu.h>
 
 /* Register definitions based on AT91SAM9RL64 preliminary draft datasheet */