From: Arnd Bergmann Date: Thu, 30 Apr 2026 16:42:47 +0000 (+0200) Subject: Input: pcap_keys - remove unused driver X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1622fc51fd27388c46a251af8372b4a3fa3a7c77;p=thirdparty%2Flinux.git Input: pcap_keys - remove unused driver Support for the ezx series of phones was removed in 2022, this driver is just dead code. Signed-off-by: Arnd Bergmann Link: https://patch.msgid.link/20260430164326.2766500-1-arnd@kernel.org Signed-off-by: Dmitry Torokhov --- diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 94a753fcb64fa..1f6c57dba0308 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -745,16 +745,6 @@ config INPUT_WM831X_ON To compile this driver as a module, choose M here: the module will be called wm831x_on. -config INPUT_PCAP - tristate "Motorola EZX PCAP misc input events" - depends on EZX_PCAP - help - Say Y here if you want to use Power key and Headphone button - on Motorola EZX phones. - - To compile this driver as a module, choose M here: the - module will be called pcap_keys. - config INPUT_ADXL34X tristate "Analog Devices ADXL34x Three-Axis Digital Accelerometer" default n diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 415fc4e2918be..2281d6803fce9 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -60,7 +60,6 @@ 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_PALMAS_PWRBUTTON) += palmas-pwrbutton.o -obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o obj-$(CONFIG_INPUT_PCF8574) += pcf8574_keypad.o obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o obj-$(CONFIG_INPUT_PF1550_ONKEY) += pf1550-onkey.o diff --git a/drivers/input/misc/pcap_keys.c b/drivers/input/misc/pcap_keys.c deleted file mode 100644 index b19899b50d0ba..0000000000000 --- a/drivers/input/misc/pcap_keys.c +++ /dev/null @@ -1,125 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Input driver for PCAP events: - * * Power key - * * Headphone button - * - * Copyright (c) 2008,2009 Ilya Petrov - */ - -#include -#include -#include -#include -#include -#include - -struct pcap_keys { - struct pcap_chip *pcap; - struct input_dev *input; -}; - -/* PCAP2 interrupts us on keypress */ -static irqreturn_t pcap_keys_handler(int irq, void *_pcap_keys) -{ - struct pcap_keys *pcap_keys = _pcap_keys; - int pirq = irq_to_pcap(pcap_keys->pcap, irq); - u32 pstat; - - ezx_pcap_read(pcap_keys->pcap, PCAP_REG_PSTAT, &pstat); - pstat &= 1 << pirq; - - switch (pirq) { - case PCAP_IRQ_ONOFF: - input_report_key(pcap_keys->input, KEY_POWER, !pstat); - break; - case PCAP_IRQ_MIC: - input_report_key(pcap_keys->input, KEY_HP, !pstat); - break; - } - - input_sync(pcap_keys->input); - - return IRQ_HANDLED; -} - -static int pcap_keys_probe(struct platform_device *pdev) -{ - int err = -ENOMEM; - struct pcap_keys *pcap_keys; - struct input_dev *input_dev; - - pcap_keys = kmalloc_obj(*pcap_keys); - if (!pcap_keys) - return err; - - pcap_keys->pcap = dev_get_drvdata(pdev->dev.parent); - - input_dev = input_allocate_device(); - if (!input_dev) - goto fail; - - pcap_keys->input = input_dev; - - platform_set_drvdata(pdev, pcap_keys); - input_dev->name = pdev->name; - input_dev->phys = "pcap-keys/input0"; - input_dev->id.bustype = BUS_HOST; - input_dev->dev.parent = &pdev->dev; - - __set_bit(EV_KEY, input_dev->evbit); - __set_bit(KEY_POWER, input_dev->keybit); - __set_bit(KEY_HP, input_dev->keybit); - - err = input_register_device(input_dev); - if (err) - goto fail_allocate; - - err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), - pcap_keys_handler, 0, "Power key", pcap_keys); - if (err) - goto fail_register; - - err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC), - pcap_keys_handler, 0, "Headphone button", pcap_keys); - if (err) - goto fail_pwrkey; - - return 0; - -fail_pwrkey: - free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys); -fail_register: - input_unregister_device(input_dev); - goto fail; -fail_allocate: - input_free_device(input_dev); -fail: - kfree(pcap_keys); - return err; -} - -static void pcap_keys_remove(struct platform_device *pdev) -{ - struct pcap_keys *pcap_keys = platform_get_drvdata(pdev); - - free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys); - free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC), pcap_keys); - - input_unregister_device(pcap_keys->input); - kfree(pcap_keys); -} - -static struct platform_driver pcap_keys_device_driver = { - .probe = pcap_keys_probe, - .remove = pcap_keys_remove, - .driver = { - .name = "pcap-keys", - } -}; -module_platform_driver(pcap_keys_device_driver); - -MODULE_DESCRIPTION("Motorola PCAP2 input events driver"); -MODULE_AUTHOR("Ilya Petrov "); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pcap_keys");