* Aaro Koskinen <aaro.koskinen@xxxxxx> [121031 11:07]: > Add Retu power button driver. Added Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> to cc so he knows to pick this after no more comments. You may need to resend. Regards, Tony > Cc: linux-input@xxxxxxxxxxxxxxx > Acked-by: Felipe Balbi <balbi@xxxxxx> > Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx> > --- > drivers/input/misc/Kconfig | 10 +++ > drivers/input/misc/Makefile | 1 + > drivers/input/misc/retu-pwrbutton.c | 118 +++++++++++++++++++++++++++++++++++ > 3 files changed, 129 insertions(+), 0 deletions(-) > create mode 100644 drivers/input/misc/retu-pwrbutton.c > > diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig > index 7c0f1ec..e5be189 100644 > --- a/drivers/input/misc/Kconfig > +++ b/drivers/input/misc/Kconfig > @@ -367,6 +367,16 @@ config INPUT_CM109 > To compile this driver as a module, choose M here: the module will be > called cm109. > > +config INPUT_RETU_PWRBUTTON > + tristate "Retu Power button Driver" > + depends on MFD_RETU > + help > + Say Y here if you want to enable power key reporting via the > + Retu chips found in Nokia Internet Tablets (770, N800, N810). > + > + To compile this driver as a module, choose M here. The module will > + be called retu-pwrbutton. > + > config INPUT_TWL4030_PWRBUTTON > tristate "TWL4030 Power button Driver" > depends on TWL4030_CORE > diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile > index 83fe6f5..4fbee0d 100644 > --- a/drivers/input/misc/Makefile > +++ b/drivers/input/misc/Makefile > @@ -45,6 +45,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY) += pmic8xxx-pwrkey.o > obj-$(CONFIG_INPUT_POWERMATE) += powermate.o > obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o > obj-$(CONFIG_INPUT_RB532_BUTTON) += rb532_button.o > +obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o > obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER) += rotary_encoder.o > obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o > obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o > diff --git a/drivers/input/misc/retu-pwrbutton.c b/drivers/input/misc/retu-pwrbutton.c > new file mode 100644 > index 0000000..51e94a7 > --- /dev/null > +++ b/drivers/input/misc/retu-pwrbutton.c > @@ -0,0 +1,118 @@ > +/* > + * Retu power button driver. > + * > + * Copyright (C) 2004-2010 Nokia Corporation > + * > + * Original code written by Ari Saastamoinen, Juha Yrjölä and Felipe Balbi. > + * Rewritten by Aaro Koskinen. > + * > + * 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 > + * archive for more details. > + * > + * 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. > + */ > + > +#include <linux/irq.h> > +#include <linux/init.h> > +#include <linux/slab.h> > +#include <linux/errno.h> > +#include <linux/input.h> > +#include <linux/kernel.h> > +#include <linux/module.h> > +#include <linux/mfd/retu.h> > +#include <linux/interrupt.h> > +#include <linux/platform_device.h> > + > +#define RETU_STATUS_PWRONX (1 << 5) > + > +struct retu_pwrbutton { > + struct input_dev *idev; > + struct retu_dev *rdev; > + struct device *dev; > + bool pressed; > + int irq; > +}; > + > +static irqreturn_t retu_pwrbutton_irq(int irq, void *_pwr) > +{ > + struct retu_pwrbutton *pwr = _pwr; > + bool state; > + > + state = !(retu_read(pwr->rdev, RETU_REG_STATUS) & RETU_STATUS_PWRONX); > + > + if (pwr->pressed != state) { > + input_report_key(pwr->idev, KEY_POWER, state); > + input_sync(pwr->idev); > + pwr->pressed = state; > + } > + > + return IRQ_HANDLED; > +} > + > +static int __devinit retu_pwrbutton_probe(struct platform_device *pdev) > +{ > + struct retu_dev *rdev = dev_get_drvdata(pdev->dev.parent); > + struct retu_pwrbutton *pwr; > + int ret; > + > + pwr = devm_kzalloc(&pdev->dev, sizeof(*pwr), GFP_KERNEL); > + if (!pwr) > + return -ENOMEM; > + > + pwr->rdev = rdev; > + pwr->dev = &pdev->dev; > + pwr->irq = platform_get_irq(pdev, 0); > + platform_set_drvdata(pdev, pwr); > + > + ret = devm_request_threaded_irq(&pdev->dev, pwr->irq, NULL, > + retu_pwrbutton_irq, 0, "retu-pwrbutton", > + pwr); > + if (ret < 0) > + return ret; > + > + pwr->idev = input_allocate_device(); > + if (!pwr->idev) > + return -ENOMEM; > + > + pwr->idev->evbit[0] = BIT_MASK(EV_KEY); > + pwr->idev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER); > + pwr->idev->name = "retu-pwrbutton"; > + > + ret = input_register_device(pwr->idev); > + if (ret < 0) { > + input_free_device(pwr->idev); > + return ret; > + } > + > + return 0; > +} > + > +static int __devexit retu_pwrbutton_remove(struct platform_device *pdev) > +{ > + struct retu_pwrbutton *pwr = platform_get_drvdata(pdev); > + > + input_unregister_device(pwr->idev); > + input_free_device(pwr->idev); > + > + return 0; > +} > + > +static struct platform_driver retu_pwrbutton_driver = { > + .probe = retu_pwrbutton_probe, > + .remove = __devexit_p(retu_pwrbutton_remove), > + .driver = { > + .name = "retu-pwrbutton", > + }, > +}; > +module_platform_driver(retu_pwrbutton_driver); > + > +MODULE_ALIAS("platform:retu-pwrbutton"); > +MODULE_DESCRIPTION("Retu Power Button"); > +MODULE_AUTHOR("Ari Saastamoinen"); > +MODULE_AUTHOR("Felipe Balbi"); > +MODULE_AUTHOR("Aaro Koskinen <aaro.koskinen@xxxxxx>"); > +MODULE_LICENSE("GPL"); > -- > 1.7.2.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html