[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/input/misc/rave-sp-pwrbutton.c b/src/kernel/linux/v4.19/drivers/input/misc/rave-sp-pwrbutton.c
new file mode 100644
index 0000000..bcab3cd
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/input/misc/rave-sp-pwrbutton.c
@@ -0,0 +1,94 @@
+// 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");