1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) ST-Ericsson SA 2010
5  * Author: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
7  * AB8500 Power-On Key handler
21  * struct ab8500_ponkey - ab8500 ponkey information
25  * @irq_dbr: irq number for rising transition
34 /* AB8500 gives us an interrupt when ONKEY is held */
39 	if (irq == ponkey->irq_dbf)  in ab8500_ponkey_handler()
40 		input_report_key(ponkey->idev, KEY_POWER, true);  in ab8500_ponkey_handler()
41 	else if (irq == ponkey->irq_dbr)  in ab8500_ponkey_handler()
42 		input_report_key(ponkey->idev, KEY_POWER, false);  in ab8500_ponkey_handler()
44 	input_sync(ponkey->idev);  in ab8500_ponkey_handler()
51 	struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);  in ab8500_ponkey_probe()
65 	ponkey = devm_kzalloc(&pdev->dev, sizeof(struct ab8500_ponkey),  in ab8500_ponkey_probe()
68 		return -ENOMEM;  in ab8500_ponkey_probe()
70 	input = devm_input_allocate_device(&pdev->dev);  in ab8500_ponkey_probe()
72 		return -ENOMEM;  in ab8500_ponkey_probe()
74 	ponkey->idev = input;  in ab8500_ponkey_probe()
75 	ponkey->ab8500 = ab8500;  in ab8500_ponkey_probe()
76 	ponkey->irq_dbf = irq_dbf;  in ab8500_ponkey_probe()
77 	ponkey->irq_dbr = irq_dbr;  in ab8500_ponkey_probe()
79 	input->name = "AB8500 POn(PowerOn) Key";  in ab8500_ponkey_probe()
80 	input->dev.parent = &pdev->dev;  in ab8500_ponkey_probe()
84 	error = devm_request_any_context_irq(&pdev->dev, ponkey->irq_dbf,  in ab8500_ponkey_probe()
86 					     "ab8500-ponkey-dbf", ponkey);  in ab8500_ponkey_probe()
88 		dev_err(ab8500->dev, "Failed to request dbf IRQ#%d: %d\n",  in ab8500_ponkey_probe()
89 			ponkey->irq_dbf, error);  in ab8500_ponkey_probe()
93 	error = devm_request_any_context_irq(&pdev->dev, ponkey->irq_dbr,  in ab8500_ponkey_probe()
95 					     "ab8500-ponkey-dbr", ponkey);  in ab8500_ponkey_probe()
97 		dev_err(ab8500->dev, "Failed to request dbr IRQ#%d: %d\n",  in ab8500_ponkey_probe()
98 			ponkey->irq_dbr, error);  in ab8500_ponkey_probe()
102 	error = input_register_device(ponkey->idev);  in ab8500_ponkey_probe()
104 		dev_err(ab8500->dev, "Can't register input device: %d\n", error);  in ab8500_ponkey_probe()
113 	{ .compatible = "stericsson,ab8500-ponkey", },
121 		.name	= "ab8500-poweron-key",
130 MODULE_DESCRIPTION("ST-Ericsson AB8500 Power-ON(Pon) Key driver");