Merge branch 'next' into for-linus

Prepare input updates for 5.8 merge window.

32 files changed, 2702 insertions, 792 deletions

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 0d57e51b8ba1..e494295d1c7b 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -282,7 +282,8 @@ static void evdev_pass_values(struct evdev_client *client,
 	spin_unlock(&client->buffer_lock);
 
 	if (wakeup)
-		wake_up_interruptible(&evdev->wait);
+		wake_up_interruptible_poll(&evdev->wait,
+			EPOLLIN | EPOLLOUT | EPOLLRDNORM | EPOLLWRNORM);
 }
 
 /*
@@ -429,7 +430,7 @@ static void evdev_hangup(struct evdev *evdev)
 		kill_fasync(&client->fasync, SIGIO, POLL_HUP);
 	spin_unlock(&evdev->client_lock);
 
-	wake_up_interruptible(&evdev->wait);
+	wake_up_interruptible_poll(&evdev->wait, EPOLLHUP | EPOLLERR);
 }
 
 static int evdev_release(struct inode *inode, struct file *file)
@@ -945,7 +946,7 @@ static int evdev_revoke(struct evdev *evdev, struct evdev_client *client,
 	client->revoked = true;
 	evdev_ungrab(evdev, client);
 	input_flush_device(&evdev->handle, file);
-	wake_up_interruptible(&evdev->wait);
+	wake_up_interruptible_poll(&evdev->wait, EPOLLHUP | EPOLLERR);
 
 	return 0;
 }
diff --git a/drivers/input/input.c b/drivers/input/input.c
index e2eb9b9b8363..3cfd2c18eebd 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1217,13 +1217,12 @@ static int input_proc_devices_open(struct inode *inode, struct file *file)
 	return seq_open(file, &input_devices_seq_ops);
 }
 
-static const struct file_operations input_devices_fileops = {
-	.owner		= THIS_MODULE,
-	.open		= input_proc_devices_open,
-	.poll		= input_proc_devices_poll,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
+static const struct proc_ops input_devices_proc_ops = {
+	.proc_open	= input_proc_devices_open,
+	.proc_poll	= input_proc_devices_poll,
+	.proc_read	= seq_read,
+	.proc_lseek	= seq_lseek,
+	.proc_release	= seq_release,
 };
 
 static void *input_handlers_seq_start(struct seq_file *seq, loff_t *pos)
@@ -1281,12 +1280,11 @@ static int input_proc_handlers_open(struct inode *inode, struct file *file)
 	return seq_open(file, &input_handlers_seq_ops);
 }
 
-static const struct file_operations input_handlers_fileops = {
-	.owner		= THIS_MODULE,
-	.open		= input_proc_handlers_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
+static const struct proc_ops input_handlers_proc_ops = {
+	.proc_open	= input_proc_handlers_open,
+	.proc_read	= seq_read,
+	.proc_lseek	= seq_lseek,
+	.proc_release	= seq_release,
 };
 
 static int __init input_proc_init(void)
@@ -1298,12 +1296,12 @@ static int __init input_proc_init(void)
 		return -ENOMEM;
 
 	entry = proc_create("devices", 0, proc_bus_input_dir,
-			    &input_devices_fileops);
+			    &input_devices_proc_ops);
 	if (!entry)
 		goto fail1;
 
 	entry = proc_create("handlers", 0, proc_bus_input_dir,
-			    &input_handlers_fileops);
+			    &input_handlers_proc_ops);
 	if (!entry)
 		goto fail2;
 
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 4706ff09f0e8..f6c356e579c5 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -691,7 +691,7 @@ config KEYBOARD_SPEAR
 	  Say Y here if you want to use the SPEAR keyboard.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called spear-keboard.
+	  module will be called spear-keyboard.
 
 config KEYBOARD_TC3589X
 	tristate "TC3589X Keypad support"
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 7e3eae54c192..6ec28265771d 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -24,6 +24,7 @@
 #include <linux/libps2.h>
 #include <linux/mutex.h>
 #include <linux/dmi.h>
+#include <linux/property.h>
 
 #define DRIVER_DESC	"AT and PS/2 keyboard driver"
 
@@ -63,6 +64,11 @@ static bool atkbd_terminal;
 module_param_named(terminal, atkbd_terminal, bool, 0);
 MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2");
 
+#define MAX_FUNCTION_ROW_KEYS	24
+
+#define SCANCODE(keymap)	((keymap >> 16) & 0xFFFF)
+#define KEYCODE(keymap)		(keymap & 0xFFFF)
+
 /*
  * Scancode to keycode tables. These are just the default setting, and
  * are loadable via a userland utility.
@@ -230,6 +236,9 @@ struct atkbd {
 
 	/* Serializes reconnect(), attr->set() and event work */
 	struct mutex mutex;
+
+	u32 function_row_physmap[MAX_FUNCTION_ROW_KEYS];
+	int num_function_row_keys;
 };
 
 /*
@@ -283,6 +292,7 @@ static struct device_attribute atkbd_attr_##_name =				\
 	__ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
 
 ATKBD_DEFINE_RO_ATTR(err_count);
+ATKBD_DEFINE_RO_ATTR(function_row_physmap);
 
 static struct attribute *atkbd_attributes[] = {
 	&atkbd_attr_extra.attr,
@@ -292,11 +302,42 @@ static struct attribute *atkbd_attributes[] = {
 	&atkbd_attr_softrepeat.attr,
 	&atkbd_attr_softraw.attr,
 	&atkbd_attr_err_count.attr,
+	&atkbd_attr_function_row_physmap.attr,
 	NULL
 };
 
+static ssize_t atkbd_show_function_row_physmap(struct atkbd *atkbd, char *buf)
+{
+	ssize_t size = 0;
+	int i;
+
+	if (!atkbd->num_function_row_keys)
+		return 0;
+
+	for (i = 0; i < atkbd->num_function_row_keys; i++)
+		size += scnprintf(buf + size, PAGE_SIZE - size, "%02X ",
+				  atkbd->function_row_physmap[i]);
+	size += scnprintf(buf + size, PAGE_SIZE - size, "\n");
+	return size;
+}
+
+static umode_t atkbd_attr_is_visible(struct kobject *kobj,
+				struct attribute *attr, int i)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct serio *serio = to_serio_port(dev);
+	struct atkbd *atkbd = serio_get_drvdata(serio);
+
+	if (attr == &atkbd_attr_function_row_physmap.attr &&
+	    !atkbd->num_function_row_keys)
+		return 0;
+
+	return attr->mode;
+}
+
 static struct attribute_group atkbd_attribute_group = {
 	.attrs	= atkbd_attributes,
+	.is_visible = atkbd_attr_is_visible,
 };
 
 static const unsigned int xl_table[] = {
@@ -994,6 +1035,39 @@ static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd,
 	return code;
 }
 
+static int atkbd_get_keymap_from_fwnode(struct atkbd *atkbd)
+{
+	struct device *dev = &atkbd->ps2dev.serio->dev;
+	int i, n;
+	u32 *ptr;
+	u16 scancode, keycode;
+
+	/* Parse "linux,keymap" property */
+	n = device_property_count_u32(dev, "linux,keymap");
+	if (n <= 0 || n > ATKBD_KEYMAP_SIZE)
+		return -ENXIO;
+
+	ptr = kcalloc(n, sizeof(u32), GFP_KERNEL);
+	if (!ptr)
+		return -ENOMEM;
+
+	if (device_property_read_u32_array(dev, "linux,keymap", ptr, n)) {
+		dev_err(dev, "problem parsing FW keymap property\n");
+		kfree(ptr);
+		return -EINVAL;
+	}
+
+	memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
+	for (i = 0; i < n; i++) {
+		scancode = SCANCODE(ptr[i]);
+		keycode = KEYCODE(ptr[i]);
+		atkbd->keycode[scancode] = keycode;
+	}
+
+	kfree(ptr);
+	return 0;
+}
+
 /*
  * atkbd_set_keycode_table() initializes keyboard's keycode table
  * according to the selected scancode set
@@ -1001,13 +1075,16 @@ static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd,
 
 static void atkbd_set_keycode_table(struct atkbd *atkbd)
 {
+	struct device *dev = &atkbd->ps2dev.serio->dev;
 	unsigned int scancode;
 	int i, j;
 
 	memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
 	bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
 
-	if (atkbd->translated) {
+	if (!atkbd_get_keymap_from_fwnode(atkbd)) {
+		dev_dbg(dev, "Using FW keymap\n");
+	} else if (atkbd->translated) {
 		for (i = 0; i < 128; i++) {
 			scancode = atkbd_unxlate_table[i];
 			atkbd->keycode[i] = atkbd_set2_keycode[scancode];
@@ -1121,6 +1198,22 @@ static void atkbd_set_device_attrs(struct atkbd *atkbd)
 	}
 }
 
+static void atkbd_parse_fwnode_data(struct serio *serio)
+{
+	struct atkbd *atkbd = serio_get_drvdata(serio);
+	struct device *dev = &serio->dev;
+	int n;
+
+	/* Parse "function-row-physmap" property */
+	n = device_property_count_u32(dev, "function-row-physmap");
+	if (n > 0 && n <= MAX_FUNCTION_ROW_KEYS &&
+	    !device_property_read_u32_array(dev, "function-row-physmap",
+					    atkbd->function_row_physmap, n)) {
+		atkbd->num_function_row_keys = n;
+		dev_dbg(dev, "FW reported %d function-row key locations\n", n);
+	}
+}
+
 /*
  * atkbd_connect() is called when the serio module finds an interface
  * that isn't handled yet by an appropriate device driver. We check if
@@ -1184,6 +1277,8 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
 		atkbd->id = 0xab00;
 	}
 
+	atkbd_parse_fwnode_data(serio);
+
 	atkbd_set_keycode_table(atkbd);
 	atkbd_set_device_attrs(atkbd);
 
diff --git a/drivers/input/keyboard/imx_sc_key.c b/drivers/input/keyboard/imx_sc_key.c
index 9f809aeb785c..d18839f1f4f6 100644
--- a/drivers/input/keyboard/imx_sc_key.c
+++ b/drivers/input/keyboard/imx_sc_key.c
@@ -99,6 +99,15 @@ static void imx_sc_check_for_events(struct work_struct *work)
 				      msecs_to_jiffies(REPEAT_INTERVAL));
 }
 
+static void imx_sc_key_action(void *data)
+{
+	struct imx_key_drv_data *priv = data;
+
+	imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON, false);
+	imx_scu_irq_unregister_notifier(&priv->key_notifier);
+	cancel_delayed_work_sync(&priv->check_work);
+}
+
 static int imx_sc_key_probe(struct platform_device *pdev)
 {
 	struct imx_key_drv_data *priv;
@@ -149,27 +158,16 @@ static int imx_sc_key_probe(struct platform_device *pdev)
 		return error;
 	}
 
+	error = devm_add_action_or_reset(&pdev->dev, imx_sc_key_action, &priv);
+	if (error)
+		return error;
+
 	priv->key_notifier.notifier_call = imx_sc_key_notify;
 	error = imx_scu_irq_register_notifier(&priv->key_notifier);
-	if (error) {
-		imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON,
-					 false);
+	if (error)
 		dev_err(&pdev->dev, "failed to register scu notifier\n");
-		return error;
-	}
-
-	return 0;
-}
-
-static int imx_sc_key_remove(struct platform_device *pdev)
-{
-	struct imx_key_drv_data *priv = platform_get_drvdata(pdev);
-
-	imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON, false);
-	imx_scu_irq_unregister_notifier(&priv->key_notifier);
-	cancel_delayed_work_sync(&priv->check_work);
 
-	return 0;
+	return error;
 }
 
 static const struct of_device_id imx_sc_key_ids[] = {
@@ -184,7 +182,6 @@ static struct platform_driver imx_sc_key_driver = {
 		.of_match_table = imx_sc_key_ids,
 	},
 	.probe = imx_sc_key_probe,
-	.remove = imx_sc_key_remove,
 };
 module_platform_driver(imx_sc_key_driver);
 
diff --git a/drivers/input/keyboard/pxa930_rotary.c b/drivers/input/keyboard/pxa930_rotary.c
index f7414091d94e..2fe9dcfe0a6f 100644
--- a/drivers/input/keyboard/pxa930_rotary.c
+++ b/drivers/input/keyboard/pxa930_rotary.c
@@ -107,7 +107,7 @@ static int pxa930_rotary_probe(struct platform_device *pdev)
 	if (!r)
 		return -ENOMEM;
 
-	r->mmio_base = ioremap_nocache(res->start, resource_size(res));
+	r->mmio_base = ioremap(res->start, resource_size(res));
 	if (r->mmio_base == NULL) {
 		dev_err(&pdev->dev, "failed to remap IO memory\n");
 		err = -ENXIO;
diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c
index 27ad73f43451..c155adebf96e 100644
--- a/drivers/input/keyboard/sh_keysc.c
+++ b/drivers/input/keyboard/sh_keysc.c
@@ -195,7 +195,7 @@ static int sh_keysc_probe(struct platform_device *pdev)
 	memcpy(&priv->pdata, dev_get_platdata(&pdev->dev), sizeof(priv->pdata));
 	pdata = &priv->pdata;
 
-	priv->iomem_base = ioremap_nocache(res->start, resource_size(res));
+	priv->iomem_base = ioremap(res->start, resource_size(res));
 	if (priv->iomem_base == NULL) {
 		dev_err(&pdev->dev, "failed to remap I/O memory\n");
 		error = -ENXIO;
diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c
index 21758767ccf0..9b0f9665dcb0 100644
--- a/drivers/input/keyboard/tca6416-keypad.c
+++ b/drivers/input/keyboard/tca6416-keypad.c
@@ -374,5 +374,5 @@ static void __exit tca6416_keypad_exit(void)
 module_exit(tca6416_keypad_exit);
 
 MODULE_AUTHOR("Sriramakrishnan <srk@ti.com>");
-MODULE_DESCRIPTION("Keypad driver over tca6146 IO expander");
+MODULE_DESCRIPTION("Keypad driver over tca6416 IO expander");
 MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 7e2e658d551c..362e8a01980c 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -117,16 +117,6 @@ config INPUT_E3X0_BUTTON
 	  To compile this driver as a module, choose M here: the
 	  module will be called e3x0_button.
 
-config INPUT_MSM_VIBRATOR
-	tristate "Qualcomm MSM vibrator driver"
-	select INPUT_FF_MEMLESS
-	help
-	  Support for the vibrator that is found on various Qualcomm MSM
-	  SOCs.
-
-	  To compile this driver as a module, choose M here: the module
-	  will be called msm_vibrator.
-
 config INPUT_PCSPKR
 	tristate "PC Speaker support"
 	depends on PCSPKR_PLATFORM
@@ -265,17 +255,6 @@ config INPUT_APANEL
 	 To compile this driver as a module, choose M here: the module will
 	 be called apanel.
 
-config INPUT_GP2A
-	tristate "Sharp GP2AP002A00F I2C Proximity/Opto sensor driver"
-	depends on I2C
-	depends on GPIOLIB || COMPILE_TEST
-	help
-	  Say Y here if you have a Sharp GP2AP002A00F proximity/als combo-chip
-	  hooked to an I2C bus.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called gp2ap002a00f.
-
 config INPUT_GPIO_BEEPER
 	tristate "Generic GPIO Beeper support"
 	depends on GPIOLIB || COMPILE_TEST
@@ -739,6 +718,17 @@ config INPUT_IMS_PCU
 	  To compile this driver as a module, choose M here: the module will be
 	  called ims_pcu.
 
+config INPUT_IQS269A
+	tristate "Azoteq IQS269A capacitive touch controller"
+	depends on I2C
+	select REGMAP_I2C
+	help
+	  Say Y to enable support for the Azoteq IQS269A capacitive
+	  touch controller.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called iqs269a.
+
 config INPUT_CMA3000
 	tristate "VTI CMA3000 Tri-axis accelerometer"
 	help
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 8fd187f314bd..a48e5f2d859d 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -33,13 +33,13 @@ obj-$(CONFIG_INPUT_E3X0_BUTTON)		+= e3x0-button.o
 obj-$(CONFIG_INPUT_DRV260X_HAPTICS)	+= drv260x.o
 obj-$(CONFIG_INPUT_DRV2665_HAPTICS)	+= drv2665.o
 obj-$(CONFIG_INPUT_DRV2667_HAPTICS)	+= drv2667.o
-obj-$(CONFIG_INPUT_GP2A)		+= gp2ap002a00f.o
 obj-$(CONFIG_INPUT_GPIO_BEEPER)		+= gpio-beeper.o
 obj-$(CONFIG_INPUT_GPIO_DECODER)	+= gpio_decoder.o
 obj-$(CONFIG_INPUT_GPIO_VIBRA)		+= gpio-vibra.o
 obj-$(CONFIG_INPUT_HISI_POWERKEY)	+= hisi_powerkey.o
 obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o
 obj-$(CONFIG_INPUT_IMS_PCU)		+= ims-pcu.o
+obj-$(CONFIG_INPUT_IQS269A)		+= iqs269a.o
 obj-$(CONFIG_INPUT_IXP4XX_BEEPER)	+= ixp4xx-beeper.o
 obj-$(CONFIG_INPUT_KEYSPAN_REMOTE)	+= keyspan_remote.o
 obj-$(CONFIG_INPUT_KXTJ9)		+= kxtj9.o
@@ -50,7 +50,6 @@ obj-$(CONFIG_INPUT_MAX8925_ONKEY)	+= max8925_onkey.o
 obj-$(CONFIG_INPUT_MAX8997_HAPTIC)	+= max8997_haptic.o
 obj-$(CONFIG_INPUT_MC13783_PWRBUTTON)	+= mc13783-pwrbutton.o
 obj-$(CONFIG_INPUT_MMA8450)		+= mma8450.o
-obj-$(CONFIG_INPUT_MSM_VIBRATOR)	+= msm-vibrator.o
 obj-$(CONFIG_INPUT_PALMAS_PWRBUTTON)	+= palmas-pwrbutton.o
 obj-$(CONFIG_INPUT_PCAP)		+= pcap_keys.o
 obj-$(CONFIG_INPUT_PCF50633_PMU)	+= pcf50633-input.o
diff --git a/drivers/input/misc/gp2ap002a00f.c b/drivers/input/misc/gp2ap002a00f.c
deleted file mode 100644
index 90abda8eea67..000000000000
--- a/drivers/input/misc/gp2ap002a00f.c
+++ /dev/null
@@ -1,281 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2011 Sony Ericsson Mobile Communications Inc.
- *
- * Author: Courtney Cavin <courtney.cavin@sonyericsson.com>
- * Prepared for up-stream by: Oskar Andero <oskar.andero@sonyericsson.com>
- */
-
-#include <linux/i2c.h>
-#include <linux/irq.h>
-#include <linux/slab.h>
-#include <linux/input.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/gpio.h>
-#include <linux/delay.h>
-#include <linux/input/gp2ap002a00f.h>
-
-struct gp2a_data {
-	struct input_dev *input;
-	const struct gp2a_platform_data *pdata;
-	struct i2c_client *i2c_client;
-};
-
-enum gp2a_addr {
-	GP2A_ADDR_PROX	= 0x0,
-	GP2A_ADDR_GAIN	= 0x1,
-	GP2A_ADDR_HYS	= 0x2,
-	GP2A_ADDR_CYCLE	= 0x3,
-	GP2A_ADDR_OPMOD	= 0x4,
-	GP2A_ADDR_CON	= 0x6
-};
-
-enum gp2a_controls {
-	/* Software Shutdown control: 0 = shutdown, 1 = normal operation */
-	GP2A_CTRL_SSD	= 0x01
-};
-
-static int gp2a_report(struct gp2a_data *dt)
-{
-	int vo = gpio_get_value(dt->pdata->vout_gpio);
-
-	input_report_switch(dt->input, SW_FRONT_PROXIMITY, !vo);
-	input_sync(dt->input);
-
-	return 0;
-}
-
-static irqreturn_t gp2a_irq(int irq, void *handle)
-{
-	struct gp2a_data *dt = handle;
-
-	gp2a_report(dt);
-
-	return IRQ_HANDLED;
-}
-
-static int gp2a_enable(struct gp2a_data *dt)
-{
-	return i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_OPMOD,
-					 GP2A_CTRL_SSD);
-}
-
-static int gp2a_disable(struct gp2a_data *dt)
-{
-	return i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_OPMOD,
-					 0x00);
-}
-
-static int gp2a_device_open(struct input_dev *dev)
-{
-	struct gp2a_data *dt = input_get_drvdata(dev);
-	int error;
-
-	error = gp2a_enable(dt);
-	if (error < 0) {
-		dev_err(&dt->i2c_client->dev,
-			"unable to activate, err %d\n", error);
-		return error;
-	}
-
-	gp2a_report(dt);
-
-	return 0;
-}
-
-static void gp2a_device_close(struct input_dev *dev)
-{
-	struct gp2a_data *dt = input_get_drvdata(dev);
-	int error;
-
-	error = gp2a_disable(dt);
-	if (error < 0)
-		dev_err(&dt->i2c_client->dev,
-			"unable to deactivate, err %d\n", error);
-}
-
-static int gp2a_initialize(struct gp2a_data *dt)
-{
-	int error;
-
-	error = i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_GAIN,
-					  0x08);
-	if (error < 0)
-		return error;
-
-	error = i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_HYS,
-					  0xc2);
-	if (error < 0)
-		return error;
-
-	error = i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_CYCLE,
-					  0x04);
-	if (error < 0)
-		return error;
-
-	error = gp2a_disable(dt);
-
-	return error;
-}
-
-static int gp2a_probe(struct i2c_client *client,
-				const struct i2c_device_id *id)
-{
-	const struct gp2a_platform_data *pdata = dev_get_platdata(&client->dev);
-	struct gp2a_data *dt;
-	int error;
-
-	if (!pdata)
-		return -EINVAL;
-
-	if (pdata->hw_setup) {
-		error = pdata->hw_setup(client);
-		if (error < 0)
-			return error;
-	}
-
-	error = gpio_request_one(pdata->vout_gpio, GPIOF_IN, GP2A_I2C_NAME);
-	if (error)
-		goto err_hw_shutdown;
-
-	dt = kzalloc(sizeof(struct gp2a_data), GFP_KERNEL);
-	if (!dt) {
-		error = -ENOMEM;
-		goto err_free_gpio;
-	}
-
-	dt->pdata = pdata;
-	dt->i2c_client = client;
-
-	error = gp2a_initialize(dt);
-	if (error < 0)
-		goto err_free_mem;
-
-	dt->input = input_allocate_device();
-	if (!dt->input) {
-		error = -ENOMEM;
-		goto err_free_mem;
-	}
-
-	input_set_drvdata(dt->input, dt);
-
-	dt->input->open = gp2a_device_open;
-	dt->input->close = gp2a_device_close;
-	dt->input->name = GP2A_I2C_NAME;
-	dt->input->id.bustype = BUS_I2C;
-	dt->input->dev.parent = &client->dev;
-
-	input_set_capability(dt->input, EV_SW, SW_FRONT_PROXIMITY);
-
-	error = request_threaded_irq(client->irq, NULL, gp2a_irq,
-			IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
-				IRQF_ONESHOT,
-			GP2A_I2C_NAME, dt);
-	if (error) {
-		dev_err(&client->dev, "irq request failed\n");
-		goto err_free_input_dev;
-	}
-
-	error = input_register_device(dt->input);
-	if (error) {
-		dev_err(&client->dev, "device registration failed\n");
-		goto err_free_irq;
-	}
-
-	device_init_wakeup(&client->dev, pdata->wakeup);
-	i2c_set_clientdata(client, dt);
-
-	return 0;
-
-err_free_irq:
-	free_irq(client->irq, dt);
-err_free_input_dev:
-	input_free_device(dt->input);
-err_free_mem:
-	kfree(dt);
-err_free_gpio:
-	gpio_free(pdata->vout_gpio);
-err_hw_shutdown:
-	if (pdata->hw_shutdown)
-		pdata->hw_shutdown(client);
-	return error;
-}
-
-static int gp2a_remove(struct i2c_client *client)
-{
-	struct gp2a_data *dt = i2c_get_clientdata(client);
-	const struct gp2a_platform_data *pdata = dt->pdata;
-
-	free_irq(client->irq, dt);
-
-	input_unregister_device(dt->input);
-	kfree(dt);
-
-	gpio_free(pdata->vout_gpio);
-
-	if (pdata->hw_shutdown)
-		pdata->hw_shutdown(client);
-
-	return 0;
-}
-
-static int __maybe_unused gp2a_suspend(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct gp2a_data *dt = i2c_get_clientdata(client);
-	int retval = 0;
-
-	if (device_may_wakeup(&client->dev)) {
-		enable_irq_wake(client->irq);
-	} else {
-		mutex_lock(&dt->input->mutex);
-		if (dt->input->users)
-			retval = gp2a_disable(dt);
-		mutex_unlock(&dt->input->mutex);
-	}
-
-	return retval;
-}
-
-static int __maybe_unused gp2a_resume(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct gp2a_data *dt = i2c_get_clientdata(client);
-	int retval = 0;
-
-	if (device_may_wakeup(&client->dev)) {
-		disable_irq_wake(client->irq);
-	} else {
-		mutex_lock(&dt->input->mutex);
-		if (dt->input->users)
-			retval = gp2a_enable(dt);
-		mutex_unlock(&dt->input->mutex);
-	}
-
-	return retval;
-}
-
-static SIMPLE_DEV_PM_OPS(gp2a_pm, gp2a_suspend, gp2a_resume);
-
-static const struct i2c_device_id gp2a_i2c_id[] = {
-	{ GP2A_I2C_NAME, 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, gp2a_i2c_id);
-
-static struct i2c_driver gp2a_i2c_driver = {
-	.driver = {
-		.name	= GP2A_I2C_NAME,
-		.pm	= &gp2a_pm,
-	},
-	.probe		= gp2a_probe,
-	.remove		= gp2a_remove,
-	.id_table	= gp2a_i2c_id,
-};
-
-module_i2c_driver(gp2a_i2c_driver);
-
-MODULE_AUTHOR("Courtney Cavin <courtney.cavin@sonyericsson.com>");
-MODULE_DESCRIPTION("Sharp GP2AP002A00F I2C Proximity/Opto sensor driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/input/misc/iqs269a.c b/drivers/input/misc/iqs269a.c
new file mode 100644
index 000000000000..6699eb160a0f
--- /dev/null
+++ b/drivers/input/misc/iqs269a.c
@@ -0,0 +1,1833 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Azoteq IQS269A Capacitive Touch Controller
+ *
+ * Copyright (C) 2020 Jeff LaBundy <jeff@labundy.com>
+ *
+ * This driver registers up to 3 input devices: one representing capacitive or
+ * inductive keys as well as Hall-effect switches, and one for each of the two
+ * axial sliders presented by the device.
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of_device.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#define IQS269_VER_INFO				0x00
+#define IQS269_VER_INFO_PROD_NUM		0x4F
+
+#define IQS269_SYS_FLAGS			0x02
+#define IQS269_SYS_FLAGS_SHOW_RESET		BIT(15)
+#define IQS269_SYS_FLAGS_PWR_MODE_MASK		GENMASK(12, 11)
+#define IQS269_SYS_FLAGS_PWR_MODE_SHIFT		11
+#define IQS269_SYS_FLAGS_IN_ATI			BIT(10)
+
+#define IQS269_CHx_COUNTS			0x08
+
+#define IQS269_SLIDER_X				0x30
+
+#define IQS269_CAL_DATA_A			0x35
+#define IQS269_CAL_DATA_A_HALL_BIN_L_MASK	GENMASK(15, 12)
+#define IQS269_CAL_DATA_A_HALL_BIN_L_SHIFT	12
+#define IQS269_CAL_DATA_A_HALL_BIN_R_MASK	GENMASK(11, 8)
+#define IQS269_CAL_DATA_A_HALL_BIN_R_SHIFT	8
+
+#define IQS269_SYS_SETTINGS			0x80
+#define IQS269_SYS_SETTINGS_CLK_DIV		BIT(15)
+#define IQS269_SYS_