diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-05 13:21:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-05 13:21:57 -0700 |
| commit | 5414ab31b1e8dec34800201cb5211abf3436129e (patch) | |
| tree | 1abb330d904362742b1eb88e62b1e95e60a83f71 | |
| parent | 672a9c106966f8d418478830975288b8096bb058 (diff) | |
| parent | 664b0bae0b87f69bc9deb098f5e0158b9cf18e04 (diff) | |
| download | linux-5414ab31b1e8dec34800201cb5211abf3436129e.tar.gz linux-5414ab31b1e8dec34800201cb5211abf3436129e.tar.bz2 linux-5414ab31b1e8dec34800201cb5211abf3436129e.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- new driver for PhoenixRC Flight Controller Adapter
- new driver for RAVE SP Power button
- fixes for autosuspend-related deadlocks in a few unput USB dirvers
- support for 2nd wheel in ATech PS/2 mouse
- fix for ALPS trackpoint detection on Thinkpad L570 and Latitude 7370
- bunch of cleanups in various in PS/2 protocols
- other assorted changes and fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (35 commits)
Input: i8042 - enable MUX on Sony VAIO VGN-CS series to fix touchpad
Input: stmfts, s6sy761 - update my e-mail
Input: stmfts - use async probe & suspend/resume to avoid 2s delay
Input: ALPS - fix TrackStick detection on Thinkpad L570 and Latitude 7370
Input: xpad - add PDP device id 0x02a4
Input: alps - report pressure of v3 and v7 trackstick
Input: pxrc - new driver for PhoenixRC Flight Controller Adapter
Input: usbtouchscreen - do not rely on input_dev->users
Input: usbtouchscreen - fix deadlock in autosuspend
Input: pegasus_notetaker - do not rely on input_dev->users
Input: pagasus_notetaker - fix deadlock in autosuspend
Input: synaptics_usb - do not rely on input_dev->users
Input: synaptics_usb - fix deadlock in autosuspend
Input: gpio-keys - add support for wakeup event action
Input: appletouch - use true and false for boolean values
Input: silead - add Chuwi Hi8 support
Input: analog - use get_cycles() on PPC
Input: stmpe-keypad - remove VLA usage
Input: i8042 - add Lenovo ThinkPad L460 to i8042 reset list
Input: add RAVE SP Powerbutton driver
...
34 files changed, 1358 insertions, 491 deletions
diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt index a94940481e55..996ce84352cb 100644 --- a/Documentation/devicetree/bindings/input/gpio-keys.txt +++ b/Documentation/devicetree/bindings/input/gpio-keys.txt @@ -26,6 +26,14 @@ Optional subnode-properties: If not specified defaults to 5. - wakeup-source: Boolean, button can wake-up the system. (Legacy property supported: "gpio-key,wakeup") + - wakeup-event-action: Specifies whether the key should wake the + system when asserted, when deasserted, or both. This property is + only valid for keys that wake up the system (e.g., when the + "wakeup-source" property is also provided). + Supported values are defined in linux-event-codes.h: + EV_ACT_ASSERTED - asserted + EV_ACT_DEASSERTED - deasserted + EV_ACT_ANY - both asserted and deasserted - linux,can-disable: Boolean, indicates that button is connected to dedicated (not shared) interrupt which can be disabled to suppress events from the button. diff --git a/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt b/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt new file mode 100644 index 000000000000..43ef770dfeb9 --- /dev/null +++ b/Documentation/devicetree/bindings/input/zii,rave-sp-pwrbutton.txt @@ -0,0 +1,22 @@ +Zodiac Inflight Innovations RAVE Supervisory Processor Power Button Bindings + +RAVE SP input device is a "MFD cell" device corresponding to power +button functionality of RAVE Supervisory Processor. It is expected +that its Device Tree node is specified as a child of the node +corresponding to the parent RAVE SP device (as documented in +Documentation/devicetree/bindings/mfd/zii,rave-sp.txt) + +Required properties: + +- compatible: Should be "zii,rave-sp-pwrbutton" + +Example: + + rave-sp { + compatible = "zii,rave-sp-rdu1"; + current-speed = <38400>; + + pwrbutton { + compatible = "zii,rave-sp-pwrbutton"; + }; + } diff --git a/Documentation/input/devices/pxrc.rst b/Documentation/input/devices/pxrc.rst new file mode 100644 index 000000000000..ca11f646bae8 --- /dev/null +++ b/Documentation/input/devices/pxrc.rst @@ -0,0 +1,57 @@ +======================================================= +pxrc - PhoenixRC Flight Controller Adapter +======================================================= + +:Author: Marcus Folkesson <marcus.folkesson@gmail.com> + +This driver let you use your own RC controller plugged into the +adapter that comes with PhoenixRC [1]_ or other compatible adapters. + +The adapter supports 7 analog channels and 1 digital input switch. + +Notes +===== + +Many RC controllers is able to configure which stick goes to which channel. +This is also configurable in most simulators, so a matching is not necessary. + +The driver is generating the following input event for analog channels: + ++---------+----------------+ +| Channel | Event | ++=========+================+ +| 1 | ABS_X | ++---------+----------------+ +| 2 | ABS_Y | ++---------+----------------+ +| 3 | ABS_RX | ++---------+----------------+ +| 4 | ABS_RY | ++---------+----------------+ +| 5 | ABS_RUDDER | ++---------+----------------+ +| 6 | ABS_THROTTLE | ++---------+----------------+ +| 7 | ABS_MISC | ++---------+----------------+ + +The digital input switch is generated as an `BTN_A` event. + +Manual Testing +============== + +To test this driver's functionality you may use `input-event` which is part of +the `input layer utilities` suite [2]_. + +For example:: + + > modprobe pxrc + > input-events <devnr> + +To print all input events from input `devnr`. + +References +========== + +.. [1] http://www.phoenix-sim.com/ +.. [2] https://www.kraxel.org/cgit/input/ diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig index f3c2f6ea8b44..9591fc04a8ab 100644 --- a/drivers/input/joystick/Kconfig +++ b/drivers/input/joystick/Kconfig @@ -351,4 +351,14 @@ config JOYSTICK_PSXPAD_SPI_FF To drive rumble motor a dedicated power supply is required. +config JOYSTICK_PXRC + tristate "PhoenixRC Flight Controller Adapter" + depends on USB_ARCH_HAS_HCD + select USB + help + Say Y here if you want to use the PhoenixRC Flight Controller Adapter. + + To compile this driver as a module, choose M here: the + module will be called pxrc. + endif diff --git a/drivers/input/joystick/Makefile b/drivers/input/joystick/Makefile index 67651efda2e1..dd0492ebbed7 100644 --- a/drivers/input/joystick/Makefile +++ b/drivers/input/joystick/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_JOYSTICK_JOYDUMP) += joydump.o obj-$(CONFIG_JOYSTICK_MAGELLAN) += magellan.o obj-$(CONFIG_JOYSTICK_MAPLE) += maplecontrol.o obj-$(CONFIG_JOYSTICK_PSXPAD_SPI) += psxpad-spi.o +obj-$(CONFIG_JOYSTICK_PXRC) += pxrc.o obj-$(CONFIG_JOYSTICK_SIDEWINDER) += sidewinder.o obj-$(CONFIG_JOYSTICK_SPACEBALL) += spaceball.o obj-$(CONFIG_JOYSTICK_SPACEORB) += spaceorb.o diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c index eefac7978f93..c79dbcb4d146 100644 --- a/drivers/input/joystick/analog.c +++ b/drivers/input/joystick/analog.c @@ -163,7 +163,7 @@ static unsigned int get_time_pit(void) #define GET_TIME(x) do { x = (unsigned int)rdtsc(); } while (0) #define DELTA(x,y) ((y)-(x)) #define TIME_NAME "TSC" -#elif defined(__alpha__) || defined(CONFIG_ARM) || defined(CONFIG_ARM64) || defined(CONFIG_RISCV) +#elif defined(__alpha__) || defined(CONFIG_ARM) || defined(CONFIG_ARM64) || defined(CONFIG_PPC) || defined(CONFIG_RISCV) #define GET_TIME(x) do { x = get_cycles(); } while (0) #define DELTA(x,y) ((y)-(x)) #define TIME_NAME "get_cycles" diff --git a/drivers/input/joystick/pxrc.c b/drivers/input/joystick/pxrc.c new file mode 100644 index 000000000000..07a0dbd3ced2 --- /dev/null +++ b/drivers/input/joystick/pxrc.c @@ -0,0 +1,303 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Driver for Phoenix RC Flight Controller Adapter + * + * Copyright (C) 2018 Marcus Folkesson <marcus.folkesson@gmail.com> + * + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/uaccess.h> +#include <linux/usb.h> +#include <linux/usb/input.h> +#include <linux/mutex.h> +#include <linux/input.h> + +#define PXRC_VENDOR_ID (0x1781) +#define PXRC_PRODUCT_ID (0x0898) + +static const struct usb_device_id pxrc_table[] = { + { USB_DEVICE(PXRC_VENDOR_ID, PXRC_PRODUCT_ID) }, + { } +}; +MODULE_DEVICE_TABLE(usb, pxrc_table); + +struct pxrc { + struct input_dev *input; + struct usb_device *udev; + struct usb_interface *intf; + struct urb *urb; + struct mutex pm_mutex; + bool is_open; + __u8 epaddr; + char phys[64]; + unsigned char *data; + size_t bsize; +}; + +static void pxrc_usb_irq(struct urb *urb) +{ + struct pxrc *pxrc = urb->context; + int error; + + switch (urb->status) { + case 0: + /* success */ + break; + case -ETIME: + /* this urb is timing out */ + dev_dbg(&pxrc->intf->dev, + "%s - urb timed out - was the device unplugged?\n", + __func__); + return; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + case -EPIPE: + /* this urb is terminated, clean up */ + dev_dbg(&pxrc->intf->dev, "%s - urb shutting down with status: %d\n", + __func__, urb->status); + return; + default: + dev_dbg(&pxrc->intf->dev, "%s - nonzero urb status received: %d\n", + __func__, urb->status); + goto exit; + } + + if (urb->actual_length == 8) { + input_report_abs(pxrc->input, ABS_X, pxrc->data[0]); + input_report_abs(pxrc->input, ABS_Y, pxrc->data[2]); + input_report_abs(pxrc->input, ABS_RX, pxrc->data[3]); + input_report_abs(pxrc->input, ABS_RY, pxrc->data[4]); + input_report_abs(pxrc->input, ABS_RUDDER, pxrc->data[5]); + input_report_abs(pxrc->input, ABS_THROTTLE, pxrc->data[6]); + input_report_abs(pxrc->input, ABS_MISC, pxrc->data[7]); + + input_report_key(pxrc->input, BTN_A, pxrc->data[1]); + } + +exit: + /* Resubmit to fetch new fresh URBs */ + error = usb_submit_urb(urb, GFP_ATOMIC); + if (error && error != -EPERM) + dev_err(&pxrc->intf->dev, + "%s - usb_submit_urb failed with result: %d", + __func__, error); +} + +static int pxrc_open(struct input_dev *input) +{ + struct pxrc *pxrc = input_get_drvdata(input); + int retval; + + mutex_lock(&pxrc->pm_mutex); + retval = usb_submit_urb(pxrc->urb, GFP_KERNEL); + if (retval) { + dev_err(&pxrc->intf->dev, + "%s - usb_submit_urb failed, error: %d\n", + __func__, retval); + retval = -EIO; + goto out; + } + + pxrc->is_open = true; + +out: + mutex_unlock(&pxrc->pm_mutex); + return retval; +} + +static void pxrc_close(struct input_dev *input) +{ + struct pxrc *pxrc = input_get_drvdata(input); + + mutex_lock(&pxrc->pm_mutex); + usb_kill_urb(pxrc->urb); + pxrc->is_open = false; + mutex_unlock(&pxrc->pm_mutex); +} + +static int pxrc_usb_init(struct pxrc *pxrc) +{ + struct usb_endpoint_descriptor *epirq; + unsigned int pipe; + int retval; + + /* Set up the endpoint information */ + /* This device only has an interrupt endpoint */ + retval = usb_find_common_endpoints(pxrc->intf->cur_altsetting, + NULL, NULL, &epirq, NULL); + if (retval) { + dev_err(&pxrc->intf->dev, + "Could not find endpoint\n"); + goto error; + } + + pxrc->bsize = usb_endpoint_maxp(epirq); + pxrc->epaddr = epirq->bEndpointAddress; + pxrc->data = devm_kmalloc(&pxrc->intf->dev, pxrc->bsize, GFP_KERNEL); + if (!pxrc->data) { + retval = -ENOMEM; + goto error; + } + + usb_set_intfdata(pxrc->intf, pxrc); + usb_make_path(pxrc->udev, pxrc->phys, sizeof(pxrc->phys)); + strlcat(pxrc->phys, "/input0", sizeof(pxrc->phys)); + + pxrc->urb = usb_alloc_urb(0, GFP_KERNEL); + if (!pxrc->urb) { + retval = -ENOMEM; + goto error; + } + + pipe = usb_rcvintpipe(pxrc->udev, pxrc->epaddr), + usb_fill_int_urb(pxrc->urb, pxrc->udev, pipe, pxrc->data, pxrc->bsize, + pxrc_usb_irq, pxrc, 1); + +error: + return retval; + + +} + +static int pxrc_input_init(struct pxrc *pxrc) +{ + pxrc->input = devm_input_allocate_device(&pxrc->intf->dev); + if (pxrc->input == NULL) { + dev_err(&pxrc->intf->dev, "couldn't allocate input device\n"); + return -ENOMEM; + } + + pxrc->input->name = "PXRC Flight Controller Adapter"; + pxrc->input->phys = pxrc->phys; + usb_to_input_id(pxrc->udev, &pxrc->input->id); + + pxrc->input->open = pxrc_open; + pxrc->input->close = pxrc_close; + + input_set_capability(pxrc->input, EV_KEY, BTN_A); + input_set_abs_params(pxrc->input, ABS_X, 0, 255, 0, 0); + input_set_abs_params(pxrc->input, ABS_Y, 0, 255, 0, 0); + input_set_abs_params(pxrc->input, ABS_RX, 0, 255, 0, 0); + input_set_abs_params(pxrc->input, ABS_RY, 0, 255, 0, 0); + input_set_abs_params(pxrc->input, ABS_RUDDER, 0, 255, 0, 0); + input_set_abs_params(pxrc->input, ABS_THROTTLE, 0, 255, 0, 0); + input_set_abs_params(pxrc->input, ABS_MISC, 0, 255, 0, 0); + + input_set_drvdata(pxrc->input, pxrc); + + return input_register_device(pxrc->input); +} + +static int pxrc_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct pxrc *pxrc; + int retval; + + pxrc = devm_kzalloc(&intf->dev, sizeof(*pxrc), GFP_KERNEL); + if (!pxrc) + return -ENOMEM; + + mutex_init(&pxrc->pm_mutex); + pxrc->udev = usb_get_dev(interface_to_usbdev(intf)); + pxrc->intf = intf; + + retval = pxrc_usb_init(pxrc); + if (retval) + goto error; + + retval = pxrc_input_init(pxrc); + if (retval) + goto err_free_urb; + + return 0; + +err_free_urb: + usb_free_urb(pxrc->urb); + +error: + return retval; +} + +static void pxrc_disconnect(struct usb_interface *intf) +{ + struct pxrc *pxrc = usb_get_intfdata(intf); + + usb_free_urb(pxrc->urb); + usb_set_intfdata(intf, NULL); +} + +static int pxrc_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct pxrc *pxrc = usb_get_intfdata(intf); + + mutex_lock(&pxrc->pm_mutex); + if (pxrc->is_open) + usb_kill_urb(pxrc->urb); + mutex_unlock(&pxrc->pm_mutex); + + return 0; +} + +static int pxrc_resume(struct usb_interface *intf) +{ + struct pxrc *pxrc = usb_get_intfdata(intf); + int retval = 0; + + mutex_lock(&pxrc->pm_mutex); + if (pxrc->is_open && usb_submit_urb(pxrc->urb, GFP_KERNEL) < 0) + retval = -EIO; + + mutex_unlock(&pxrc->pm_mutex); + return retval; +} + +static int pxrc_pre_reset(struct usb_interface *intf) +{ + struct pxrc *pxrc = usb_get_intfdata(intf); + + mutex_lock(&pxrc->pm_mutex); + usb_kill_urb(pxrc->urb); + return 0; +} + +static int pxrc_post_reset(struct usb_interface *intf) +{ + struct pxrc *pxrc = usb_get_intfdata(intf); + int retval = 0; + + if (pxrc->is_open && usb_submit_urb(pxrc->urb, GFP_KERNEL) < 0) + retval = -EIO; + + mutex_unlock(&pxrc->pm_mutex); + + return retval; +} + +static int pxrc_reset_resume(struct usb_interface *intf) +{ + return pxrc_resume(intf); +} + +static struct usb_driver pxrc_driver = { + .name = "pxrc", + .probe = pxrc_probe, + .disconnect = pxrc_disconnect, + .id_table = pxrc_table, + .suspend = pxrc_suspend, + .resume = pxrc_resume, + .pre_reset = pxrc_pre_reset, + .post_reset = pxrc_post_reset, + .reset_resume = pxrc_reset_resume, +}; + +module_usb_driver(pxrc_driver); + +MODULE_AUTHOR("Marcus Folkesson <marcus.folkesson@gmail.com>"); +MODULE_DESCRIPTION("PhoenixRC Flight Controller Adapter"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 9d2688f3f961..06e9650b3b30 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -227,6 +227,7 @@ static const struct xpad_device { { 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0246, "Rock Candy Gamepad for Xbox One 2015", 0, XTYPE_XBOXONE }, { 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE }, + { 0x0e6f, 0x02a4, "PDP Wired Controller for Xbox One - Stealth Series", 0, XTYPE_XBOXONE }, { 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0346, "Rock Candy Gamepad for Xbox One 2016", 0, XTYPE_XBOXONE }, { 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 }, @@ -475,7 +476,8 @@ static const u8 xboxone_hori_init[] = { /* * This packet is required for some of the PDP pads to start - * sending input reports. One of those pads is (0x0e6f:0x02ab). + * sending input reports. These pads include: (0x0e6f:0x02ab), + * (0x0e6f:0x02a4). */ static const u8 xboxone_pdp_init1[] = { 0x0a, 0x20, 0x00, 0x03, 0x00, 0x01, 0x14 @@ -483,7 +485,8 @@ static const u8 xboxone_pdp_init1[] = { /* * This packet is required for some of the PDP pads to start - * sending input reports. One of those pads is (0x0e6f:0x02ab). + * sending input reports. These pads include: (0x0e6f:0x02ab), + * (0x0e6f:0x02a4). */ static const u8 xboxone_pdp_init2[] = { 0x06, 0x20, 0x00, 0x02, 0x01, 0x00 @@ -521,6 +524,8 @@ static const struct xboxone_init_packet xboxone_init_packets[] = { XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init), XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init1), XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init2), + XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init1), + XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init2), XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init), XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init), XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init), diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 87e613dc33b8..052e37675086 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -30,6 +30,7 @@ #include <linux/of.h> #include <linux/of_irq.h> #include <linux/spinlock.h> +#include <dt-bindings/input/gpio-keys.h> struct gpio_button_data { const struct gpio_keys_button *button; @@ -45,6 +46,7 @@ struct gpio_button_data { unsigned int software_debounce; /* in msecs, for GPIO-driven buttons */ unsigned int irq; + unsigned int wakeup_trigger_type; spinlock_t lock; bool disabled; bool key_pressed; @@ -540,6 +542,8 @@ static int gpio_keys_setup_key(struct platform_device *pdev, } if (bdata->gpiod) { + bool active_low = gpiod_is_active_low(bdata->gpiod); + if (button->debounce_interval) { error = gpiod_set_debounce(bdata->gpiod, button->debounce_interval * 1000); @@ -568,6 +572,24 @@ static int gpio_keys_setup_key(struct platform_device *pdev, isr = gpio_keys_gpio_isr; irqflags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING; + switch (button->wakeup_event_action) { + case EV_ACT_ASSERTED: + bdata->wakeup_trigger_type = active_low ? + IRQ_TYPE_EDGE_FALLING : IRQ_TYPE_EDGE_RISING; + break; + case EV_ACT_DEASSERTED: + bdata->wakeup_trigger_type = active_low ? + IRQ_TYPE_EDGE_RISING : IRQ_TYPE_EDGE_FALLING; + break; + case EV_ACT_ANY: + /* fall through */ + default: + /* + * For other cases, we are OK letting suspend/resume + * not reconfigure the trigger type. + */ + break; + } } else { if (!button->irq) { dev_err(dev, "Found button without gpio or irq\n"); @@ -586,6 +608,11 @@ static int gpio_keys_setup_key(struct platform_device *pdev, isr = gpio_keys_irq_isr; irqflags = 0; + + /* + * For IRQ buttons, there is no interrupt for release. + * So we don't need to reconfigure the trigger type for wakeup. + */ } bdata->code = &ddata->keymap[idx]; @@ -718,6 +745,9 @@ gpio_keys_get_devtree_pdata(struct device *dev) /* legacy name */ fwnode_property_read_bool(child, "gpio-key,wakeup"); + fwnode_property_read_u32(child, "wakeup-event-action", + &button->wakeup_event_action); + button->can_disable = fwnode_property_read_bool(child, "linux,can-disable"); @@ -845,19 +875,112 @@ static int gpio_keys_probe(struct platform_device *pdev) return 0; } +static int __maybe_unused +gpio_keys_button_enable_wakeup(struct gpio_button_data *bdata) +{ + int error; + + error = enable_irq_wake(bdata->irq); + if (error) { + dev_err(bdata->input->dev.parent, + "failed to configure IRQ %d as wakeup source: %d\n", + bdata->irq, error); + return error; + } + + if (bdata->wakeup_trigger_type) { + error = irq_set_irq_type(bdata->irq, + bdata->wakeup_trigger_type); + if (error) { + dev_err(bdata->input->dev.parent, + "failed to set wakeup trigger %08x for IRQ %d: %d\n", + bdata->wakeup_trigger_type, bdata->irq, error); + disable_irq_wake(bdata->irq); + return error; + } + } + + return 0; +} + +static void __maybe_unused +gpio_keys_button_disable_wakeup(struct gpio_button_data *bdata) +{ + int error; + + /* + * The trigger type is always both edges for gpio-based keys and we do + * not support changing wakeup trigger for interrupt-based keys. + */ + if (bdata->wakeup_trigger_type) { + error = irq_set_irq_type(bdata->irq, IRQ_TYPE_EDGE_BOTH); + if (error) + dev_warn(bdata->input->dev.parent, + "failed to restore interrupt trigger for IRQ %d: %d\n", + bdata->irq, error); + } + + error = disable_irq_wake(bdata->irq); + if (error) + dev_warn(bdata->input->dev.parent, + "failed to disable IRQ %d as wake source: %d\n", + bdata->irq, error); +} + +static int __maybe_unused +gpio_keys_enable_wakeup(struct gpio_keys_drvdata *ddata) +{ + struct gpio_button_data *bdata; + int error; + int i; + + for (i = 0; i < ddata->pdata->nbuttons; i++) { + bdata = &ddata->data[i]; + if (bdata->button->wakeup) { + error = gpio_keys_button_enable_wakeup(bdata); + if (error) + goto err_out; + } + bdata->suspended = true; + } + + return 0; + +err_out: + while (i--) { + bdata = &ddata->data[i]; + if (bdata->button->wakeup) + gpio_keys_button_disable_wakeup(bdata); + bdata->suspended = false; + } + + return error; +} + +static void __maybe_unused +gpio_keys_disable_wakeup(struct gpio_keys_drvdata *ddata) +{ + struct gpio_button_data *bdata; + int i; + + for (i = 0; i < ddata->pdata->nbuttons; i++) { + bdata = &ddata->data[i]; + bdata->suspended = false; + if (irqd_is_wakeup_set(irq_get_irq_data(bdata->irq))) + gpio_keys_button_disable_wakeup(bdata); + } +} + static int __maybe_unused gpio_keys_suspend(struct device *dev) { struct gpio_keys_drvdata *ddata = dev_get_drvdata(dev); struct input_dev *input = ddata->input; - int i; + int error; if (device_may_wakeup(dev)) { - for (i = 0; i < ddata->pdata->nbuttons; i++) { - struct gpio_button_data *bdata = &ddata->data[i]; - if (bdata->button->wakeup) - enable_irq_wake(bdata->irq); - bdata->suspended = true; - } + error = gpio_keys_enable_wakeup(ddata); + if (error) + return error; } else { mutex_lock(&input->mutex); if (input->users) @@ -873,15 +996,9 @@ static int __maybe_unused gpio_keys_resume(struct device *dev) struct gpio_keys_drvdata *ddata = dev_get_drvdata(dev); struct input_dev *input = ddata->input; int error = 0; - int i; if (device_may_wakeup(dev)) { - for (i = 0; i < ddata->pdata->nbuttons; i++) { - struct gpio_button_data *bdata = &ddata->data[i]; - if (bdata->button->wakeup) - disable_irq_wake(bdata->irq); - bdata->suspended = false; - } + gpio_keys_disable_wakeup(ddata); } else { mutex_lock(&input->mutex); if (input->users) diff --git a/drivers/input/keyboard/stmpe-keypad.c b/drivers/input/keyboard/stmpe-keypad.c index 8c6c0b9109c7..d69e631cfa0a 100644 --- a/drivers/input/keyboard/stmpe-keypad.c +++ b/drivers/input/keyboard/stmpe-keypad.c @@ -48,6 +48,14 @@ #define STMPE_KEYPAD_KEYMAP_MAX_SIZE \ (STMPE_KEYPAD_MAX_ROWS * STMPE_KEYPAD_MAX_COLS) + +#define STMPE1601_NUM_DATA 5 +#define STMPE2401_NUM_DATA 3 +#define STMPE2403_NUM_DATA 5 + +/* Make sure it covers all cases above */ +#define MAX_NUM_DATA 5 + /** * struct stmpe_keypad_variant - model-specific attributes * @auto_increment: whether the KPC_DATA_BYTE register address @@ -74,7 +82,7 @@ struct stmpe_keypad_variant { static const struct stmpe_keypad_variant stmpe_keypad_variants[] = { [STMPE1601] = { |
