Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (55 commits) regulator: Voltage count for AB3100 mfd: Convert WM8350 to use request_threaded_irq() mfd: Update MAINTAINERS patterns for WM831x mfd: Fix twl4030-power warnings regulator: AB3100 support rtc: AB3100 RTC support mfd: Fix ab3100-otp build failure mfd: OMAP: Board-specifc twl4030 DPS scripts for RX51 board mfd: Print warning for twl4030 out-of-order script loading mfd: Add support for TWL4030/5030 dynamic power switching mfd: AB3100 OTP readout regulator: Add Freescale MC13783 driver mfd: Add Freescale MC13783 driver mfd: AB3100 disable irq nosync mfd: AB3100 alter default setting mfd: AB3100 propagate error mfd: AB3100 accessor function cleanups rtc: Add support for RTCs on Wolfson WM831x devices regulator: get pcap data from the parent device input: PCAP2 misc input driver ...
This commit is contained in:
Linus Torvalds
@@ -279,4 +279,24 @@ config INPUT_BFIN_ROTARY
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To compile this driver as a module, choose M here: the
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module will be called bfin-rotary.
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config INPUT_WM831X_ON
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tristate "WM831X ON pin"
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depends on MFD_WM831X
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help
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Support the ON pin of WM831X PMICs as an input device
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reporting power button status.
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To compile this driver as a module, choose M here: the module
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will be called wm831x_on.
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config INPUT_PCAP
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tristate "Motorola EZX PCAP misc input events"
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depends on EZX_PCAP
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help
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Say Y here if you want to use Power key and Headphone button
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on Motorola EZX phones.
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To compile this driver as a module, choose M here: the
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module will be called pcap_keys.
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endif
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@@ -16,6 +16,7 @@ obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
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obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o
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obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o
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obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
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obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o
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obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o
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obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
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obj-$(CONFIG_INPUT_POWERMATE) += powermate.o
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@@ -26,4 +27,6 @@ obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o
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obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON) += twl4030-pwrbutton.o
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obj-$(CONFIG_INPUT_UINPUT) += uinput.o
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obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o
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obj-$(CONFIG_INPUT_WM831X_ON) += wm831x-on.o
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obj-$(CONFIG_INPUT_YEALINK) += yealink.o
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144
drivers/input/misc/pcap_keys.c
Normal file
144
drivers/input/misc/pcap_keys.c
Normal file
@@ -0,0 +1,144 @@
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/*
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* Input driver for PCAP events:
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* * Power key
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* * Headphone button
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*
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* Copyright (c) 2008,2009 Ilya Petrov <ilya.muromec@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/input.h>
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#include <linux/mfd/ezx-pcap.h>
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struct pcap_keys {
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struct pcap_chip *pcap;
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struct input_dev *input;
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};
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/* PCAP2 interrupts us on keypress */
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static irqreturn_t pcap_keys_handler(int irq, void *_pcap_keys)
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{
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struct pcap_keys *pcap_keys = _pcap_keys;
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int pirq = irq_to_pcap(pcap_keys->pcap, irq);
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u32 pstat;
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ezx_pcap_read(pcap_keys->pcap, PCAP_REG_PSTAT, &pstat);
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pstat &= 1 << pirq;
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switch (pirq) {
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case PCAP_IRQ_ONOFF:
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input_report_key(pcap_keys->input, KEY_POWER, !pstat);
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break;
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case PCAP_IRQ_MIC:
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input_report_key(pcap_keys->input, KEY_HP, !pstat);
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break;
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}
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input_sync(pcap_keys->input);
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return IRQ_HANDLED;
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}
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static int __devinit pcap_keys_probe(struct platform_device *pdev)
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{
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int err = -ENOMEM;
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struct pcap_keys *pcap_keys;
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struct input_dev *input_dev;
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pcap_keys = kmalloc(sizeof(struct pcap_keys), GFP_KERNEL);
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if (!pcap_keys)
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return err;
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pcap_keys->pcap = dev_get_drvdata(pdev->dev.parent);
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input_dev = input_allocate_device();
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if (!input_dev)
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goto fail;
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pcap_keys->input = input_dev;
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platform_set_drvdata(pdev, pcap_keys);
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input_dev->name = pdev->name;
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input_dev->phys = "pcap-keys/input0";
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input_dev->id.bustype = BUS_HOST;
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input_dev->dev.parent = &pdev->dev;
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__set_bit(EV_KEY, input_dev->evbit);
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__set_bit(KEY_POWER, input_dev->keybit);
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__set_bit(KEY_HP, input_dev->keybit);
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err = input_register_device(input_dev);
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if (err)
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goto fail_allocate;
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err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF),
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pcap_keys_handler, 0, "Power key", pcap_keys);
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if (err)
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goto fail_register;
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err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC),
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pcap_keys_handler, 0, "Headphone button", pcap_keys);
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if (err)
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goto fail_pwrkey;
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return 0;
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fail_pwrkey:
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free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys);
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fail_register:
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input_unregister_device(input_dev);
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goto fail;
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fail_allocate:
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input_free_device(input_dev);
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fail:
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kfree(pcap_keys);
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return err;
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}
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static int __devexit pcap_keys_remove(struct platform_device *pdev)
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{
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struct pcap_keys *pcap_keys = platform_get_drvdata(pdev);
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free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys);
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free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC), pcap_keys);
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input_unregister_device(pcap_keys->input);
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kfree(pcap_keys);
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return 0;
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}
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static struct platform_driver pcap_keys_device_driver = {
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.probe = pcap_keys_probe,
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.remove = __devexit_p(pcap_keys_remove),
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.driver = {
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.name = "pcap-keys",
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.owner = THIS_MODULE,
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}
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};
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static int __init pcap_keys_init(void)
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{
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return platform_driver_register(&pcap_keys_device_driver);
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};
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static void __exit pcap_keys_exit(void)
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{
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platform_driver_unregister(&pcap_keys_device_driver);
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};
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module_init(pcap_keys_init);
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module_exit(pcap_keys_exit);
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MODULE_DESCRIPTION("Motorola PCAP2 input events driver");
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MODULE_AUTHOR("Ilya Petrov <ilya.muromec@gmail.com>");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:pcap_keys");
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163
drivers/input/misc/wm831x-on.c
Normal file
163
drivers/input/misc/wm831x-on.c
Normal file
@@ -0,0 +1,163 @@
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/**
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* wm831x-on.c - WM831X ON pin driver
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*
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||||
* Copyright (C) 2009 Wolfson Microelectronics plc
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*
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* This file is subject to the terms and conditions of the GNU General
|
||||
* Public License. See the file "COPYING" in the main directory of this
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* archive for more details.
|
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*
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||||
* This program is distributed in the hope that it will be useful,
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||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||||
* 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
|
||||
*/
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||||
#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/workqueue.h>
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#include <linux/mfd/wm831x/core.h>
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|
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struct wm831x_on {
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struct input_dev *dev;
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struct delayed_work work;
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struct wm831x *wm831x;
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};
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||||
/*
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* The chip gives us an interrupt when the ON pin is asserted but we
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* then need to poll to see when the pin is deasserted.
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*/
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static void wm831x_poll_on(struct work_struct *work)
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{
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struct wm831x_on *wm831x_on = container_of(work, struct wm831x_on,
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work.work);
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struct wm831x *wm831x = wm831x_on->wm831x;
|
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int poll, ret;
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ret = wm831x_reg_read(wm831x, WM831X_ON_PIN_CONTROL);
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if (ret >= 0) {
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poll = !(ret & WM831X_ON_PIN_STS);
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|
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input_report_key(wm831x_on->dev, KEY_POWER, poll);
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input_sync(wm831x_on->dev);
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} else {
|
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dev_err(wm831x->dev, "Failed to read ON status: %d\n", ret);
|
||||
poll = 1;
|
||||
}
|
||||
|
||||
if (poll)
|
||||
schedule_delayed_work(&wm831x_on->work, 100);
|
||||
}
|
||||
|
||||
static irqreturn_t wm831x_on_irq(int irq, void *data)
|
||||
{
|
||||
struct wm831x_on *wm831x_on = data;
|
||||
|
||||
schedule_delayed_work(&wm831x_on->work, 0);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static int __devinit wm831x_on_probe(struct platform_device *pdev)
|
||||
{
|
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struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
|
||||
struct wm831x_on *wm831x_on;
|
||||
int irq = platform_get_irq(pdev, 0);
|
||||
int ret;
|
||||
|
||||
wm831x_on = kzalloc(sizeof(struct wm831x_on), GFP_KERNEL);
|
||||
if (!wm831x_on) {
|
||||
dev_err(&pdev->dev, "Can't allocate data\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
wm831x_on->wm831x = wm831x;
|
||||
INIT_DELAYED_WORK(&wm831x_on->work, wm831x_poll_on);
|
||||
|
||||
wm831x_on->dev = input_allocate_device();
|
||||
if (!wm831x_on->dev) {
|
||||
dev_err(&pdev->dev, "Can't allocate input dev\n");
|
||||
ret = -ENOMEM;
|
||||
goto err;
|
||||
}
|
||||
|
||||
wm831x_on->dev->evbit[0] = BIT_MASK(EV_KEY);
|
||||
wm831x_on->dev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
|
||||
wm831x_on->dev->name = "wm831x_on";
|
||||
wm831x_on->dev->phys = "wm831x_on/input0";
|
||||
wm831x_on->dev->dev.parent = &pdev->dev;
|
||||
|
||||
ret = wm831x_request_irq(wm831x, irq, wm831x_on_irq,
|
||||
IRQF_TRIGGER_RISING, "wm831x_on", wm831x_on);
|
||||
if (ret < 0) {
|
||||
dev_err(&pdev->dev, "Unable to request IRQ: %d\n", ret);
|
||||
goto err_input_dev;
|
||||
}
|
||||
ret = input_register_device(wm831x_on->dev);
|
||||
if (ret) {
|
||||
dev_dbg(&pdev->dev, "Can't register input device: %d\n", ret);
|
||||
goto err_irq;
|
||||
}
|
||||
|
||||
platform_set_drvdata(pdev, wm831x_on);
|
||||
|
||||
return 0;
|
||||
|
||||
err_irq:
|
||||
wm831x_free_irq(wm831x, irq, NULL);
|
||||
err_input_dev:
|
||||
input_free_device(wm831x_on->dev);
|
||||
err:
|
||||
kfree(wm831x_on);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int __devexit wm831x_on_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct wm831x_on *wm831x_on = platform_get_drvdata(pdev);
|
||||
int irq = platform_get_irq(pdev, 0);
|
||||
|
||||
wm831x_free_irq(wm831x_on->wm831x, irq, wm831x_on);
|
||||
cancel_delayed_work_sync(&wm831x_on->work);
|
||||
input_unregister_device(wm831x_on->dev);
|
||||
kfree(wm831x_on);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver wm831x_on_driver = {
|
||||
.probe = wm831x_on_probe,
|
||||
.remove = __devexit_p(wm831x_on_remove),
|
||||
.driver = {
|
||||
.name = "wm831x-on",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init wm831x_on_init(void)
|
||||
{
|
||||
return platform_driver_register(&wm831x_on_driver);
|
||||
}
|
||||
module_init(wm831x_on_init);
|
||||
|
||||
static void __exit wm831x_on_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&wm831x_on_driver);
|
||||
}
|
||||
module_exit(wm831x_on_exit);
|
||||
|
||||
MODULE_ALIAS("platform:wm831x-on");
|
||||
MODULE_DESCRIPTION("WM831x ON pin");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
|
||||
|
||||
@@ -510,4 +510,13 @@ config TOUCHSCREEN_W90X900
|
||||
To compile this driver as a module, choose M here: the
|
||||
module will be called w90p910_ts.
|
||||
|
||||
config TOUCHSCREEN_PCAP
|
||||
tristate "Motorola PCAP touchscreen"
|
||||
depends on EZX_PCAP
|
||||
help
|
||||
Say Y here if you have a Motorola EZX telephone and
|
||||
want to enable support for the built-in touchscreen.
|
||||
|
||||
To compile this driver as a module, choose M here: the
|
||||
module will be called pcap_ts.
|
||||
endif
|
||||
|
||||
@@ -40,3 +40,4 @@ obj-$(CONFIG_TOUCHSCREEN_WM97XX_ATMEL) += atmel-wm97xx.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE) += mainstone-wm97xx.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_W90X900) += w90p910_ts.o
|
||||
obj-$(CONFIG_TOUCHSCREEN_PCAP) += pcap_ts.o
|
||||
|
||||
271
drivers/input/touchscreen/pcap_ts.c
Normal file
271
drivers/input/touchscreen/pcap_ts.c
Normal file
@@ -0,0 +1,271 @@
|
||||
/*
|
||||
* Driver for Motorola PCAP2 touchscreen as found in the EZX phone platform.
|
||||
*
|
||||
* Copyright (C) 2006 Harald Welte <laforge@openezx.org>
|
||||
* Copyright (C) 2009 Daniel Ribeiro <drwyrm@gmail.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/init.h>
|
||||
#include <linux/fs.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/pm.h>
|
||||
#include <linux/timer.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/mfd/ezx-pcap.h>
|
||||
|
||||
struct pcap_ts {
|
||||
struct pcap_chip *pcap;
|
||||
struct input_dev *input;
|
||||
struct delayed_work work;
|
||||
u16 x, y;
|
||||
u16 pressure;
|
||||
u8 read_state;
|
||||
};
|
||||
|
||||
#define SAMPLE_DELAY 20 /* msecs */
|
||||
|
||||
#define X_AXIS_MIN 0
|
||||
#define X_AXIS_MAX 1023
|
||||
#define Y_AXIS_MAX X_AXIS_MAX
|
||||
#define Y_AXIS_MIN X_AXIS_MIN
|
||||
#define PRESSURE_MAX X_AXIS_MAX
|
||||
#define PRESSURE_MIN X_AXIS_MIN
|
||||
|
||||
static void pcap_ts_read_xy(void *data, u16 res[2])
|
||||
{
|
||||
struct pcap_ts *pcap_ts = data;
|
||||
|
||||
switch (pcap_ts->read_state) {
|
||||
case PCAP_ADC_TS_M_PRESSURE:
|
||||
/* pressure reading is unreliable */
|
||||
if (res[0] > PRESSURE_MIN && res[0] < PRESSURE_MAX)
|
||||
pcap_ts->pressure = res[0];
|
||||
pcap_ts->read_state = PCAP_ADC_TS_M_XY;
|
||||
schedule_delayed_work(&pcap_ts->work, 0);
|
||||
break;
|
||||
case PCAP_ADC_TS_M_XY:
|
||||
pcap_ts->y = res[0];
|
||||
pcap_ts->x = res[1];
|
||||
if (pcap_ts->x <= X_AXIS_MIN || pcap_ts->x >= X_AXIS_MAX ||
|
||||
pcap_ts->y <= Y_AXIS_MIN || pcap_ts->y >= Y_AXIS_MAX) {
|
||||
/* pen has been released */
|
||||
input_report_abs(pcap_ts->input, ABS_PRESSURE, 0);
|
||||
input_report_key(pcap_ts->input, BTN_TOUCH, 0);
|
||||
|
||||
pcap_ts->read_state = PCAP_ADC_TS_M_STANDBY;
|
||||
schedule_delayed_work(&pcap_ts->work, 0);
|
||||
} else {
|
||||
/* pen is touching the screen */
|
||||
input_report_abs(pcap_ts->input, ABS_X, pcap_ts->x);
|
||||
input_report_abs(pcap_ts->input, ABS_Y, pcap_ts->y);
|
||||
input_report_key(pcap_ts->input, BTN_TOUCH, 1);
|
||||
input_report_abs(pcap_ts->input, ABS_PRESSURE,
|
||||
pcap_ts->pressure);
|
||||
|
||||
/* switch back to pressure read mode */
|
||||
pcap_ts->read_state = PCAP_ADC_TS_M_PRESSURE;
|
||||
schedule_delayed_work(&pcap_ts->work,
|
||||
msecs_to_jiffies(SAMPLE_DELAY));
|
||||
}
|
||||
input_sync(pcap_ts->input);
|
||||
break;
|
||||
default:
|
||||
dev_warn(&pcap_ts->input->dev,
|
||||
"pcap_ts: Warning, unhandled read_state %d\n",
|
||||
pcap_ts->read_state);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void pcap_ts_work(struct work_struct *work)
|
||||
{
|
||||
struct delayed_work *dw = container_of(work, struct delayed_work, work);
|
||||
struct pcap_ts *pcap_ts = container_of(dw, struct pcap_ts, work);
|
||||
u8 ch[2];
|
||||
|
||||
pcap_set_ts_bits(pcap_ts->pcap,
|
||||
pcap_ts->read_state << PCAP_ADC_TS_M_SHIFT);
|
||||
|
||||
if (pcap_ts->read_state == PCAP_ADC_TS_M_STANDBY)
|
||||
return;
|
||||
|
||||
/* start adc conversion */
|
||||
ch[0] = PCAP_ADC_CH_TS_X1;
|
||||
ch[1] = PCAP_ADC_CH_TS_Y1;
|
||||
pcap_adc_async(pcap_ts->pcap, PCAP_ADC_BANK_1, 0, ch,
|
||||
pcap_ts_read_xy, pcap_ts);
|
||||
}
|
||||
|
||||
static irqreturn_t pcap_ts_event_touch(int pirq, void *data)
|
||||
{
|
||||
struct pcap_ts *pcap_ts = data;
|
||||
|
||||
if (pcap_ts->read_state == PCAP_ADC_TS_M_STANDBY) {
|
||||
pcap_ts->read_state = PCAP_ADC_TS_M_PRESSURE;
|
||||
schedule_delayed_work(&pcap_ts->work, 0);
|
||||
}
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static int pcap_ts_open(struct input_dev *dev)
|
||||
{
|
||||
struct pcap_ts *pcap_ts = input_get_drvdata(dev);
|
||||
|
||||
pcap_ts->read_state = PCAP_ADC_TS_M_STANDBY;
|
||||
schedule_delayed_work(&pcap_ts->work, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void pcap_ts_close(struct input_dev *dev)
|
||||
{
|
||||
struct pcap_ts *pcap_ts = input_get_drvdata(dev);
|
||||
|
||||
cancel_delayed_work_sync(&pcap_ts->work);
|
||||
|
||||
pcap_ts->read_state = PCAP_ADC_TS_M_NONTS;
|
||||
pcap_set_ts_bits(pcap_ts->pcap,
|
||||
pcap_ts->read_state << PCAP_ADC_TS_M_SHIFT);
|
||||
}
|
||||
|
||||
static int __devinit pcap_ts_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct input_dev *input_dev;
|
||||
struct pcap_ts *pcap_ts;
|
||||
int err = -ENOMEM;
|
||||
|
||||
pcap_ts = kzalloc(sizeof(*pcap_ts), GFP_KERNEL);
|
||||
if (!pcap_ts)
|
||||
return err;
|
||||
|
||||
pcap_ts->pcap = dev_get_drvdata(pdev->dev.parent);
|
||||
platform_set_drvdata(pdev, pcap_ts);
|
||||
|
||||
input_dev = input_allocate_device();
|
||||
if (!input_dev)
|
||||
goto fail;
|
||||
|
||||
INIT_DELAYED_WORK(&pcap_ts->work, pcap_ts_work);
|
||||
|
||||
pcap_ts->read_state = PCAP_ADC_TS_M_NONTS;
|
||||
pcap_set_ts_bits(pcap_ts->pcap,
|
||||
pcap_ts->read_state << PCAP_ADC_TS_M_SHIFT);
|
||||
|
||||
pcap_ts->input = input_dev;
|
||||
input_set_drvdata(input_dev, pcap_ts);
|
||||
|
||||
input_dev->name = "pcap-touchscreen";
|
||||
input_dev->phys = "pcap_ts/input0";
|
||||
input_dev->id.bustype = BUS_HOST;
|
||||
input_dev->id.vendor = 0x0001;
|
||||
input_dev->id.product = 0x0002;
|
||||
input_dev->id.version = 0x0100;
|
||||
input_dev->dev.parent = &pdev->dev;
|
||||
input_dev->open = pcap_ts_open;
|
||||
input_dev->close = pcap_ts_close;
|
||||
|
||||
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
|
||||
input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
|
||||
input_set_abs_params(input_dev, ABS_X, X_AXIS_MIN, X_AXIS_MAX, 0, 0);
|
||||
input_set_abs_params(input_dev, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0);
|
||||
input_set_abs_params(input_dev, ABS_PRESSURE, PRESSURE_MIN,
|
||||
PRESSURE_MAX, 0, 0);
|
||||
|
||||
err = input_register_device(pcap_ts->input);
|
||||
if (err)
|
||||
goto fail_allocate;
|
||||
|
||||
err = request_irq(pcap_to_irq(pcap_ts->pcap, PCAP_IRQ_TS),
|
||||
pcap_ts_event_touch, 0, "Touch Screen", pcap_ts);
|
||||
if (err)
|
||||
goto fail_register;
|
||||
|
||||
return 0;
|
||||
|
||||
fail_register:
|
||||
input_unregister_device(input_dev);
|
||||
goto fail;
|
||||
fail_allocate:
|
||||
input_free_device(input_dev);
|
||||
fail:
|
||||
kfree(pcap_ts);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int __devexit pcap_ts_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct pcap_ts *pcap_ts = platform_get_drvdata(pdev);
|
||||
|
||||
free_irq(pcap_to_irq(pcap_ts->pcap, PCAP_IRQ_TS), pcap_ts);
|
||||
cancel_delayed_work_sync(&pcap_ts->work);
|
||||
|
||||
input_unregister_device(pcap_ts->input);
|
||||
|
||||
kfree(pcap_ts);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static int pcap_ts_suspend(struct device *dev)
|
||||
{
|
||||
struct pcap_ts *pcap_ts = dev_get_drvdata(dev);
|
||||
|
||||
pcap_set_ts_bits(pcap_ts->pcap, PCAP_ADC_TS_REF_LOWPWR);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int pcap_ts_resume(struct device *dev)
|
||||
{
|
||||
struct pcap_ts *pcap_ts = dev_get_drvdata(dev);
|
||||
|
||||
pcap_set_ts_bits(pcap_ts->pcap,
|
||||
pcap_ts->read_state << PCAP_ADC_TS_M_SHIFT);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct dev_pm_ops pcap_ts_pm_ops = {
|
||||
.suspend = pcap_ts_suspend,
|
||||
.resume = pcap_ts_resume,
|
||||
};
|
||||
#define PCAP_TS_PM_OPS (&pcap_ts_pm_ops)
|
||||
#else
|
||||
#define PCAP_TS_PM_OPS NULL
|
||||
#endif
|
||||
|
||||
static struct platform_driver pcap_ts_driver = {
|
||||
.probe = pcap_ts_probe,
|
||||
.remove = __devexit_p(pcap_ts_remove),
|
||||
.driver = {
|
||||
.name = "pcap-ts",
|
||||
.owner = THIS_MODULE,
|
||||
.pm = PCAP_TS_PM_OPS,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init pcap_ts_init(void)
|
||||
{
|
||||
return platform_driver_register(&pcap_ts_driver);
|
||||
}
|
||||
|
||||
static void __exit pcap_ts_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&pcap_ts_driver);
|
||||
}
|
||||
|
||||
module_init(pcap_ts_init);
|
||||
module_exit(pcap_ts_exit);
|
||||
|
||||
MODULE_DESCRIPTION("Motorola PCAP2 touchscreen driver");
|
||||
MODULE_AUTHOR("Daniel Ribeiro / Harald Welte");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("platform:pcap_ts");
|
||||
Reference in New Issue
Block a user