Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Andrey Smirnov | 360 | 100.00% | 1 | 100.00% |
Total | 360 | 1 |
// SPDX-License-Identifier: GPL-2.0+ // // Power Button driver for RAVE SP // // Copyright (C) 2017 Zodiac Inflight Innovations // // #include <linux/input.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mfd/rave-sp.h> #include <linux/platform_device.h> #define RAVE_SP_EVNT_BUTTON_PRESS (RAVE_SP_EVNT_BASE + 0x00) struct rave_sp_power_button { struct input_dev *idev; struct notifier_block nb; }; static int rave_sp_power_button_event(struct notifier_block *nb, unsigned long action, void *data) { struct rave_sp_power_button *pb = container_of(nb, struct rave_sp_power_button, nb); const u8 event = rave_sp_action_unpack_event(action); const u8 value = rave_sp_action_unpack_value(action); struct input_dev *idev = pb->idev; if (event == RAVE_SP_EVNT_BUTTON_PRESS) { input_report_key(idev, KEY_POWER, value); input_sync(idev); return NOTIFY_STOP; } return NOTIFY_DONE; } static int rave_sp_pwrbutton_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct rave_sp_power_button *pb; struct input_dev *idev; int error; pb = devm_kzalloc(dev, sizeof(*pb), GFP_KERNEL); if (!pb) return -ENOMEM; idev = devm_input_allocate_device(dev); if (!idev) return -ENOMEM; idev->name = pdev->name; input_set_capability(idev, EV_KEY, KEY_POWER); error = input_register_device(idev); if (error) return error; pb->idev = idev; pb->nb.notifier_call = rave_sp_power_button_event; pb->nb.priority = 128; error = devm_rave_sp_register_event_notifier(dev, &pb->nb); if (error) return error; return 0; } static const struct of_device_id rave_sp_pwrbutton_of_match[] = { { .compatible = "zii,rave-sp-pwrbutton" }, {} }; static struct platform_driver rave_sp_pwrbutton_driver = { .probe = rave_sp_pwrbutton_probe, .driver = { .name = KBUILD_MODNAME, .of_match_table = rave_sp_pwrbutton_of_match, }, }; module_platform_driver(rave_sp_pwrbutton_driver); MODULE_DEVICE_TABLE(of, rave_sp_pwrbutton_of_match); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Andrey Vostrikov <andrey.vostrikov@cogentembedded.com>"); MODULE_AUTHOR("Nikita Yushchenko <nikita.yoush@cogentembedded.com>"); MODULE_AUTHOR("Andrey Smirnov <andrew.smirnov@gmail.com>"); MODULE_DESCRIPTION("RAVE SP Power Button driver");
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