--- /dev/null
+* PWM beeper device tree bindings
+
+Registers a PWM device as beeper.
+
+Required properties:
+- compatible: should be "pwm-beeper"
+- pwms: phandle to the physical PWM device
--- /dev/null
+* MELFAS MMS114 touchscreen controller
+
+Required properties:
+- compatible: must be "melfas,mms114"
+- reg: I2C address of the chip
+- interrupts: interrupt to which the chip is connected
+- x-size: horizontal resolution of touchscreen
+- y-size: vertical resolution of touchscreen
+
+Optional properties:
+- contact-threshold:
+- moving-threshold:
+- x-invert: invert X axis
+- y-invert: invert Y axis
+
+Example:
+
+ i2c@00000000 {
+ /* ... */
+
+ touchscreen@48 {
+ compatible = "melfas,mms114";
+ reg = <0x48>;
+ interrupts = <39 0>;
+ x-size = <720>;
+ y-size = <1280>;
+ contact-threshold = <10>;
+ moving-threshold = <10>;
+ x-invert;
+ y-invert;
+ };
+
+ /* ... */
+ };
if (!mt)
return;
- oldest = 0;
+ oldest = NULL;
oldid = mt->trkid;
count = 0;
static void __input_release_device(struct input_handle *handle)
{
struct input_dev *dev = handle->dev;
+ struct input_handle *grabber;
- if (dev->grab == handle) {
+ grabber = rcu_dereference_protected(dev->grab,
+ lockdep_is_held(&dev->mutex));
+ if (grabber == handle) {
rcu_assign_pointer(dev->grab, NULL);
/* Make sure input_pass_event() notices that grab is gone */
synchronize_rcu();
{
uint8_t data[2] = { aregaddr, avalue };
struct i2c_msg msg = {
- client->addr, I2C_M_IGNORE_NAK, 2, (uint8_t *)data
+ .addr = client->addr,
+ .flags = I2C_M_IGNORE_NAK,
+ .len = 2,
+ .buf = (uint8_t *)data
};
int error;
{
uint8_t data[2] = { aregaddr };
struct i2c_msg msg_set[2] = {
- { client->addr, I2C_M_REV_DIR_ADDR, 1, (uint8_t *)data },
- { client->addr, I2C_M_RD | I2C_M_NOSTART, 1, (uint8_t *)data }
+ {
+ .addr = client->addr,
+ .flags = I2C_M_REV_DIR_ADDR,
+ .len = 1,
+ .buf = (uint8_t *)data
+ },
+ {
+ .addr = client->addr,
+ .flags = I2C_M_RD | I2C_M_NOSTART,
+ .len = 1,
+ .buf = (uint8_t *)data
+ }
};
int error;
config KEYBOARD_QT2160
tristate "Atmel AT42QT2160 Touch Sensor Chip"
- depends on I2C && EXPERIMENTAL
+ depends on I2C
help
If you say yes here you get support for Atmel AT42QT2160 Touch
Sensor chip as a keyboard input.
static int __devinit qt2160_write(struct i2c_client *client, u8 reg, u8 data)
{
- int error;
-
- error = i2c_smbus_write_byte(client, reg);
- if (error) {
- dev_err(&client->dev,
- "couldn't send request. Returned %d\n", error);
- return error;
- }
+ int ret;
- error = i2c_smbus_write_byte(client, data);
- if (error) {
+ ret = i2c_smbus_write_byte_data(client, reg, data);
+ if (ret < 0)
dev_err(&client->dev,
- "couldn't write data. Returned %d\n", error);
- return error;
- }
+ "couldn't write data. Returned %d\n", ret);
- return error;
+ return ret;
}
called ati_remote2.
config INPUT_KEYSPAN_REMOTE
- tristate "Keyspan DMR USB remote control (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ tristate "Keyspan DMR USB remote control"
depends on USB_ARCH_HAS_HCD
select USB
help
config INPUT_YEALINK
tristate "Yealink usb-p1k voip phone"
- depends on EXPERIMENTAL
depends on USB_ARCH_HAS_HCD
select USB
help
config INPUT_CM109
tristate "C-Media CM109 USB I/O Controller"
- depends on EXPERIMENTAL
depends on USB_ARCH_HAS_HCD
select USB
help
config INPUT_PCF8574
tristate "PCF8574 Keypad input device"
- depends on I2C && EXPERIMENTAL
+ depends on I2C
help
Say Y here if you want to support a keypad connected via I2C
with a PCF8574.
config INPUT_PWM_BEEPER
tristate "PWM beeper support"
- depends on HAVE_PWM
+ depends on HAVE_PWM || PWM
help
Say Y here to get support for PWM based beeper devices.
To compile this driver as a module, choose M here: the
module will be called da9052_onkey.
+config INPUT_DA9055_ONKEY
+ tristate "Dialog Semiconductor DA9055 ONKEY"
+ depends on MFD_DA9055
+ help
+ Support the ONKEY of DA9055 PMICs as an input device
+ reporting power button status.
+
+ To compile this driver as a module, choose M here: the module
+ will be called da9055_onkey.
+
config INPUT_DM355EVM
tristate "TI DaVinci DM355 EVM Keypad and IR Remote"
depends on MFD_DM355EVM_MSP
obj-$(CONFIG_INPUT_CMA3000_I2C) += cma3000_d0x_i2c.o
obj-$(CONFIG_INPUT_COBALT_BTNS) += cobalt_btns.o
obj-$(CONFIG_INPUT_DA9052_ONKEY) += da9052_onkey.o
+obj-$(CONFIG_INPUT_DA9055_ONKEY) += da9055_onkey.o
obj-$(CONFIG_INPUT_DM355EVM) += dm355evm_keys.o
obj-$(CONFIG_INPUT_GP2A) += gp2ap002a00f.o
obj-$(CONFIG_INPUT_GPIO_TILT_POLLED) += gpio_tilt_polled.o
--- /dev/null
+/*
+ * ON pin driver for Dialog DA9055 PMICs
+ *
+ * Copyright(c) 2012 Dialog Semiconductor Ltd.
+ *
+ * Author: David Dajun Chen <dchen@diasemi.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.
+ */
+
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <linux/mfd/da9055/core.h>
+#include <linux/mfd/da9055/reg.h>
+
+struct da9055_onkey {
+ struct da9055 *da9055;
+ struct input_dev *input;
+ struct delayed_work work;
+};
+
+static void da9055_onkey_query(struct da9055_onkey *onkey)
+{
+ int key_stat;
+
+ key_stat = da9055_reg_read(onkey->da9055, DA9055_REG_STATUS_A);
+ if (key_stat < 0) {
+ dev_err(onkey->da9055->dev,
+ "Failed to read onkey event %d\n", key_stat);
+ } else {
+ key_stat &= DA9055_NOKEY_STS;
+ /*
+ * Onkey status bit is cleared when onkey button is relased.
+ */
+ if (!key_stat) {
+ input_report_key(onkey->input, KEY_POWER, 0);
+ input_sync(onkey->input);
+ }
+ }
+
+ /*
+ * Interrupt is generated only when the ONKEY pin is asserted.
+ * Hence the deassertion of the pin is simulated through work queue.
+ */
+ if (key_stat)
+ schedule_delayed_work(&onkey->work, msecs_to_jiffies(10));
+
+}
+
+static void da9055_onkey_work(struct work_struct *work)
+{
+ struct da9055_onkey *onkey = container_of(work, struct da9055_onkey,
+ work.work);
+
+ da9055_onkey_query(onkey);
+}
+
+static irqreturn_t da9055_onkey_irq(int irq, void *data)
+{
+ struct da9055_onkey *onkey = data;
+
+ input_report_key(onkey->input, KEY_POWER, 1);
+ input_sync(onkey->input);
+
+ da9055_onkey_query(onkey);
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit da9055_onkey_probe(struct platform_device *pdev)
+{
+ struct da9055 *da9055 = dev_get_drvdata(pdev->dev.parent);
+ struct da9055_onkey *onkey;
+ struct input_dev *input_dev;
+ int irq, err;
+
+ irq = platform_get_irq_byname(pdev, "ONKEY");
+ if (irq < 0) {
+ dev_err(&pdev->dev,
+ "Failed to get an IRQ for input device, %d\n", irq);
+ return -EINVAL;
+ }
+
+ onkey = devm_kzalloc(&pdev->dev, sizeof(*onkey), GFP_KERNEL);
+ if (!onkey) {
+ dev_err(&pdev->dev, "Failed to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ input_dev = input_allocate_device();
+ if (!input_dev) {
+ dev_err(&pdev->dev, "Failed to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ onkey->input = input_dev;
+ onkey->da9055 = da9055;
+ input_dev->name = "da9055-onkey";
+ input_dev->phys = "da9055-onkey/input0";
+ input_dev->dev.parent = &pdev->dev;
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY);
+ __set_bit(KEY_POWER, input_dev->keybit);
+
+ INIT_DELAYED_WORK(&onkey->work, da9055_onkey_work);
+
+ irq = regmap_irq_get_virq(da9055->irq_data, irq);
+ err = request_threaded_irq(irq, NULL, da9055_onkey_irq,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ "ONKEY", onkey);
+ if (err < 0) {
+ dev_err(&pdev->dev,
+ "Failed to register ONKEY IRQ %d, error = %d\n",
+ irq, err);
+ goto err_free_input;
+ }
+
+ err = input_register_device(input_dev);
+ if (err) {
+ dev_err(&pdev->dev, "Unable to register input device, %d\n",
+ err);
+ goto err_free_irq;
+ }
+
+ platform_set_drvdata(pdev, onkey);
+
+ return 0;
+
+err_free_irq:
+ free_irq(irq, onkey);
+ cancel_delayed_work_sync(&onkey->work);
+err_free_input:
+ input_free_device(input_dev);
+
+ return err;
+}
+
+static int __devexit da9055_onkey_remove(struct platform_device *pdev)
+{
+ struct da9055_onkey *onkey = platform_get_drvdata(pdev);
+ int irq = platform_get_irq_byname(pdev, "ONKEY");
+
+ irq = regmap_irq_get_virq(onkey->da9055->irq_data, irq);
+ free_irq(irq, onkey);
+ cancel_delayed_work_sync(&onkey->work);
+ input_unregister_device(onkey->input);
+
+ return 0;
+}
+
+static struct platform_driver da9055_onkey_driver = {
+ .probe = da9055_onkey_probe,
+ .remove = __devexit_p(da9055_onkey_remove),
+ .driver = {
+ .name = "da9055-onkey",
+ .owner = THIS_MODULE,
+ },
+};
+
+module_platform_driver(da9055_onkey_driver);
+
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
+MODULE_DESCRIPTION("Onkey driver for DA9055");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:da9055-onkey");
if (!beeper)
return -ENOMEM;
- beeper->pwm = pwm_request(pwm_id, "pwm beeper");
+ beeper->pwm = pwm_get(&pdev->dev, NULL);
+ if (IS_ERR(beeper->pwm)) {
+ dev_dbg(&pdev->dev, "unable to request PWM, trying legacy API\n");
+ beeper->pwm = pwm_request(pwm_id, "pwm beeper");
+ }
if (IS_ERR(beeper->pwm)) {
error = PTR_ERR(beeper->pwm);
#define PWM_BEEPER_PM_OPS NULL
#endif
+#ifdef CONFIG_OF
+static const struct of_device_id pwm_beeper_match[] = {
+ { .compatible = "pwm-beeper", },
+ { },
+};
+#endif
+
static struct platform_driver pwm_beeper_driver = {
.probe = pwm_beeper_probe,
.remove = __devexit_p(pwm_beeper_remove),
.name = "pwm-beeper",
.owner = THIS_MODULE,
.pm = PWM_BEEPER_PM_OPS,
+ .of_match_table = of_match_ptr(pwm_beeper_match),
},
};
module_platform_driver(pwm_beeper_driver);
int irq = wm831x_irq(wm831x, platform_get_irq(pdev, 0));
int ret;
- wm831x_on = kzalloc(sizeof(struct wm831x_on), GFP_KERNEL);
+ wm831x_on = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_on),
+ GFP_KERNEL);
if (!wm831x_on) {
dev_err(&pdev->dev, "Can't allocate data\n");
return -ENOMEM;
err_input_dev:
input_free_device(wm831x_on->dev);
err:
- kfree(wm831x_on);
return ret;
}
free_irq(irq, wm831x_on);
cancel_delayed_work_sync(&wm831x_on->work);
input_unregister_device(wm831x_on->dev);
- kfree(wm831x_on);
return 0;
}
psmouse->packet[5]) & 0x80) ||
(!alps_is_valid_first_byte(priv->i, psmouse->packet[6]))) {
psmouse_dbg(psmouse,
- "refusing packet %x %x %x %x (suspected interleaved ps/2)\n",
- psmouse->packet[3], psmouse->packet[4],
- psmouse->packet[5], psmouse->packet[6]);
+ "refusing packet %4ph (suspected interleaved ps/2)\n",
+ psmouse->packet + 3);
return PSMOUSE_BAD_DATA;
}
psmouse->packet[4] |
psmouse->packet[5]) & 0x80) {
psmouse_dbg(psmouse,
- "refusing packet %x %x %x (suspected interleaved ps/2)\n",
- psmouse->packet[3], psmouse->packet[4],
- psmouse->packet[5]);
+ "refusing packet %3ph (suspected interleaved ps/2)\n",
+ psmouse->packet + 3);
} else {
alps_process_packet(psmouse);
}
To compile this driver as a module, choose M here: the
module will be called ps2mult.
+config SERIO_ARC_PS2
+ tristate "ARC PS/2 support"
+ help
+ Say Y here if you have an ARC FPGA platform with a PS/2
+ controller in it.
+
+ To compile this driver as a module, choose M here; the module
+ will be called arc_ps2.
+
endif
obj-$(CONFIG_SERIO_AMS_DELTA) += ams_delta_serio.o
obj-$(CONFIG_SERIO_XILINX_XPS_PS2) += xilinx_ps2.o
obj-$(CONFIG_SERIO_ALTERA_PS2) += altera_ps2.o
+obj-$(CONFIG_SERIO_ARC_PS2) += arc_ps2.o
--- /dev/null
+/*
+ * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.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.
+ *
+ * Driver is originally developed by Pavel Sokolov <psokolov@synopsys.com>
+ */
+
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/serio.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#define ARC_PS2_PORTS 2
+
+#define ARC_ARC_PS2_ID 0x0001f609
+
+#define STAT_TIMEOUT 128
+
+#define PS2_STAT_RX_FRM_ERR (1)
+#define PS2_STAT_RX_BUF_OVER (1 << 1)
+#define PS2_STAT_RX_INT_EN (1 << 2)
+#define PS2_STAT_RX_VAL (1 << 3)
+#define PS2_STAT_TX_ISNOT_FUL (1 << 4)
+#define PS2_STAT_TX_INT_EN (1 << 5)
+
+struct arc_ps2_port {
+ void __iomem *data_addr;
+ void __iomem *status_addr;
+ struct serio *io;
+};
+
+struct arc_ps2_data {
+ struct arc_ps2_port port[ARC_PS2_PORTS];
+ void __iomem *addr;
+ unsigned int frame_error;
+ unsigned int buf_overflow;
+ unsigned int total_int;
+};
+
+static void arc_ps2_check_rx(struct arc_ps2_data *arc_ps2,
+ struct arc_ps2_port *port)
+{
+ unsigned int timeout = 1000;
+ unsigned int flag, status;
+ unsigned char data;
+
+ do {
+ status = ioread32(port->status_addr);
+ if (!(status & PS2_STAT_RX_VAL))
+ return;
+
+ data = ioread32(port->data_addr) & 0xff;
+
+ flag = 0;
+ arc_ps2->total_int++;
+ if (status & PS2_STAT_RX_FRM_ERR) {
+ arc_ps2->frame_error++;
+ flag |= SERIO_PARITY;
+ } else if (status & PS2_STAT_RX_BUF_OVER) {
+ arc_ps2->buf_overflow++;
+ flag |= SERIO_FRAME;
+ }
+
+ serio_interrupt(port->io, data, flag);
+ } while (--timeout);
+
+ dev_err(&port->io->dev, "PS/2 hardware stuck\n");
+}
+
+static irqreturn_t arc_ps2_interrupt(int irq, void *dev)
+{
+ struct arc_ps2_data *arc_ps2 = dev;
+ int i;
+
+ for (i = 0; i < ARC_PS2_PORTS; i++)
+ arc_ps2_check_rx(arc_ps2, &arc_ps2->port[i]);
+
+ return IRQ_HANDLED;
+}
+
+static int arc_ps2_write(struct serio *io, unsigned char val)
+{
+ unsigned status;
+ struct arc_ps2_port *port = io->port_data;
+ int timeout = STAT_TIMEOUT;
+
+ do {
+ status = ioread32(port->status_addr);
+ cpu_relax();
+
+ if (status & PS2_STAT_TX_ISNOT_FUL) {
+ iowrite32(val & 0xff, port->data_addr);
+ return 0;
+ }
+
+ } while (--timeout);
+
+ dev_err(&io->dev, "write timeout\n");
+ return -ETIMEDOUT;
+}
+
+static int arc_ps2_open(struct serio *io)
+{
+ struct arc_ps2_port *port = io->port_data;
+
+ iowrite32(PS2_STAT_RX_INT_EN, port->status_addr);
+
+ return 0;
+}
+
+static void arc_ps2_close(struct serio *io)
+{
+ struct arc_ps2_port *port = io->port_data;
+
+ iowrite32(ioread32(port->status_addr) & ~PS2_STAT_RX_INT_EN,
+ port->status_addr);
+}
+
+static void __iomem * __devinit arc_ps2_calc_addr(struct arc_ps2_data *arc_ps2,
+ int index, bool status)
+{
+ void __iomem *addr;
+
+ addr = arc_ps2->addr + 4 + 4 * index;
+ if (status)
+ addr += ARC_PS2_PORTS * 4;
+
+ return addr;
+}
+
+static void __devinit arc_ps2_inhibit_ports(struct arc_ps2_data *arc_ps2)
+{
+ void __iomem *addr;
+ u32 val;
+ int i;
+
+ for (i = 0; i < ARC_PS2_PORTS; i++) {
+ addr = arc_ps2_calc_addr(arc_ps2, i, true);
+ val = ioread32(addr);
+ val &= ~(PS2_STAT_RX_INT_EN | PS2_STAT_TX_INT_EN);
+ iowrite32(val, addr);
+ }
+}
+
+static int __devinit arc_ps2_create_port(struct platform_device *pdev,
+ struct arc_ps2_data *arc_ps2,
+ int index)
+{
+ struct arc_ps2_port *port = &arc_ps2->port[index];
+ struct serio *io;
+
+ io = kzalloc(sizeof(struct serio), GFP_KERNEL);
+ if (!io)
+ return -ENOMEM;
+
+ io->id.type = SERIO_8042;
+ io->write = arc_ps2_write;
+ io->open = arc_ps2_open;
+ io->close = arc_ps2_close;
+ snprintf(io->name, sizeof(io->name), "ARC PS/2 port%d", index);
+ snprintf(io->phys, sizeof(io->phys), "arc/serio%d", index);
+ io->port_data = port;
+
+ port->io = io;
+
+ port->data_addr = arc_ps2_calc_addr(arc_ps2, index, false);
+ port->status_addr = arc_ps2_calc_addr(arc_ps2, index, true);
+
+ dev_dbg(&pdev->dev, "port%d is allocated (data = 0x%p, status = 0x%p)\n",
+ index, port->data_addr, port->status_addr);
+
+ serio_register_port(port->io);
+ return 0;
+}
+
+static int __devinit arc_ps2_probe(struct platform_device *pdev)
+{
+ struct arc_ps2_data *arc_ps2;
+ struct resource *res;
+ int irq;
+ int error, id, i;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "no IO memory defined\n");
+ return -EINVAL;
+ }
+
+ irq = platform_get_irq_byname(pdev, "arc_ps2_irq");
+ if (irq < 0) {
+ dev_err(&pdev->dev, "no IRQ defined\n");
+ return -EINVAL;
+ }
+
+ arc_ps2 = devm_kzalloc(&pdev->dev, sizeof(struct arc_ps2_data),
+ GFP_KERNEL);
+ if (!arc_ps2) {
+ dev_err(&pdev->dev, "out of memory\n");
+ return -ENOMEM;
+ }
+
+ arc_ps2->addr = devm_request_and_ioremap(&pdev->dev, res);
+ if (!arc_ps2->addr)
+ return -EBUSY;
+
+ dev_info(&pdev->dev, "irq = %d, address = 0x%p, ports = %i\n",
+ irq, arc_ps2->addr, ARC_PS2_PORTS);
+
+ id = ioread32(arc_ps2->addr);
+ if (id != ARC_ARC_PS2_ID) {
+ dev_err(&pdev->dev, "device id does not match\n");
+ return -ENXIO;
+ }
+
+ arc_ps2_inhibit_ports(arc_ps2);
+
+ error = devm_request_irq(&pdev->dev, irq, arc_ps2_interrupt,
+ 0, "arc_ps2", arc_ps2);
+ if (error) {
+ dev_err(&pdev->dev, "Could not allocate IRQ\n");
+ return error;
+ }
+
+ for (i = 0; i < ARC_PS2_PORTS; i++) {
+ error = arc_ps2_create_port(pdev, arc_ps2, i);
+ if (error) {
+ while (--i >= 0)
+ serio_unregister_port(arc_ps2->port[i].io);
+ return error;
+ }
+ }
+
+ platform_set_drvdata(pdev, arc_ps2);
+
+ return 0;
+}
+
+static int __devexit arc_ps2_remove(struct platform_device *pdev)
+{
+ struct arc_ps2_data *arc_ps2 = platform_get_drvdata(pdev);
+ int i;
+
+ for (i = 0; i < ARC_PS2_PORTS; i++)
+ serio_unregister_port(arc_ps2->port[i].io);
+
+ dev_dbg(&pdev->dev, "interrupt count = %i\n", arc_ps2->total_int);
+ dev_dbg(&pdev->dev, "frame error count = %i\n", arc_ps2->frame_error);
+ dev_dbg(&pdev->dev, "buffer overflow count = %i\n",
+ arc_ps2->buf_overflow);
+
+ return 0;
+}
+
+static struct platform_driver arc_ps2_driver = {
+ .driver = {
+ .name = "arc_ps2",
+ .owner = THIS_MODULE,
+ },
+ .probe = arc_ps2_probe,
+ .remove = __devexit_p(arc_ps2_remove),
+};
+
+module_platform_driver(arc_ps2_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Pavel Sokolov <psokolov@synopsys.com>");
+MODULE_DESCRIPTION("ARC PS/2 Driver");
if (check_legacy_ioport(I8042_DATA_REG))
return -ENODEV;
#endif
-#if !defined(__sh__) && !defined(__alpha__) && !defined(__mips__)
+#if !defined(__sh__) && !defined(__alpha__)
if (!request_region(I8042_DATA_REG, 16, "i8042"))
return -EBUSY;
#endif
int ret;
struct i2c_msg msg[2] = {
/* first write slave position to i2c devices */
- { client->addr, 0, 1, &cmd },
+ {
+ .addr = client->addr,
+ .len = 1,
+ .buf = &cmd
+ },
/* Second read data from position */
- { client->addr, I2C_M_RD, len, data }
+ {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .len = len,
+ .buf = data
+ }
};
ret = i2c_transfer(client->adapter, msg, 2);
DEFINE_SIMPLE_ATTRIBUTE(debugfs_mode_fops, edt_ft5x06_debugfs_mode_get,
edt_ft5x06_debugfs_mode_set, "%llu\n");
-static int edt_ft5x06_debugfs_raw_data_open(struct inode *inode,
- struct file *file)
-{
- file->private_data = inode->i_private;
-
- return 0;
-}
-
static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file,
char __user *buf, size_t count, loff_t *off)
{
static const struct file_operations debugfs_raw_data_fops = {
- .open = edt_ft5x06_debugfs_raw_data_open,
+ .open = simple_open,
.read = edt_ft5x06_debugfs_raw_data_read,
};
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/of.h>
#include <linux/i2c.h>
#include <linux/i2c/mms114.h>
#include <linux/input/mt.h>
mms114_stop(data);
}
+#ifdef CONFIG_OF
+static struct mms114_platform_data * __devinit mms114_parse_dt(struct device *dev)
+{
+ struct mms114_platform_data *pdata;
+ struct device_node *np = dev->of_node;
+
+ if (!np)
+ return NULL;
+
+ pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata) {
+ dev_err(dev, "failed to allocate platform data\n");
+ return NULL;
+ }
+
+ if (of_property_read_u32(np, "x-size", &pdata->x_size)) {
+ dev_err(dev, "failed to get x-size property\n");
+ return NULL;
+ };
+
+ if (of_property_read_u32(np, "y-size", &pdata->y_size)) {
+ dev_err(dev, "failed to get y-size property\n");
+ return NULL;
+ };
+
+ of_property_read_u32(np, "contact-threshold",
+ &pdata->contact_threshold);
+ of_property_read_u32(np, "moving-threshold",
+ &pdata->moving_threshold);
+
+ if (of_find_property(np, "x-invert", NULL))
+ pdata->x_invert = true;
+ if (of_find_property(np, "y-invert", NULL))
+ pdata->y_invert = true;
+
+ return pdata;
+}
+#else
+static inline struct mms114_platform_data *mms114_parse_dt(struct device *dev)
+{
+ return NULL;
+}
+#endif
+
static int __devinit mms114_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
+ const struct mms114_platform_data *pdata;
struct mms114_data *data;
struct input_dev *input_dev;
int error;
- if (!client->dev.platform_data) {
+ pdata = dev_get_platdata(&client->dev);
+ if (!pdata)
+ pdata = mms114_parse_dt(&client->dev);
+
+ if (!pdata) {
dev_err(&client->dev, "Need platform data\n");
return -EINVAL;
}
data->client = client;
data->input_dev = input_dev;
- data->pdata = client->dev.platform_data;
+ data->pdata = pdata;
input_dev->name = "MELPAS MMS114 Touchscreen";
input_dev->id.bustype = BUS_I2C;
};
MODULE_DEVICE_TABLE(i2c, mms114_id);
+#ifdef CONFIG_OF
+static struct of_device_id __devinitdata mms114_dt_match[] = {
+ { .compatible = "melfas,mms114" },
+ { }
+};
+#endif
+
static struct i2c_driver mms114_driver = {
.driver = {
.name = "mms114",
.owner = THIS_MODULE,
.pm = &mms114_pm_ops,
+ .of_match_table = of_match_ptr(mms114_dt_match),
},
.probe = mms114_probe,
.remove = __devexit_p(mms114_remove),
if (core_pdata)
pdata = core_pdata->touch;
- wm831x_ts = kzalloc(sizeof(struct wm831x_ts), GFP_KERNEL);
+ wm831x_ts = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_ts),
+ GFP_KERNEL);
input_dev = input_allocate_device();
if (!wm831x_ts || !input_dev) {
error = -ENOMEM;
free_irq(wm831x_ts->data_irq, wm831x_ts);
err_alloc:
input_free_device(input_dev);
- kfree(wm831x_ts);
return error;
}
free_irq(wm831x_ts->pd_irq, wm831x_ts);
free_irq(wm831x_ts->data_irq, wm831x_ts);
input_unregister_device(wm831x_ts->input_dev);
- kfree(wm831x_ts);
- platform_set_drvdata(pdev, NULL);
return 0;
}