input/misc/pcap_keys.c

17 struct pcap_keys {
25 	struct pcap_keys *pcap_keys = _pcap_keys;
26 	int pirq = irq_to_pcap(pcap_keys->pcap, irq);
29 	ezx_pcap_read(pcap_keys->pcap, PCAP_REG_PSTAT, &pstat);
34 		input_report_key(pcap_keys->input, KEY_POWER, !pstat);
37 		input_report_key(pcap_keys->input, KEY_HP, !pstat);
41 	input_sync(pcap_keys->input);
49 	struct pcap_keys *pcap_keys;
52 	pcap_keys = kmalloc(sizeof(*pcap_keys), GFP_KERNEL);
53 	if (!pcap_keys)
56 	pcap_keys->pcap = dev_get_drvdata(pdev->dev.parent);
62 	pcap_keys->input = input_dev;
64 	platform_set_drvdata(pdev, pcap_keys);
78 	err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF),
79 			pcap_keys_handler, 0, "Power key", pcap_keys);
83 	err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC),
84 			pcap_keys_handler, 0, "Headphone button", pcap_keys);
91 	free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys);
98 	kfree(pcap_keys);
104 	struct pcap_keys *pcap_keys = platform_get_drvdata(pdev);
106 	free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys);
107 	free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC), pcap_keys);
109 	input_unregister_device(pcap_keys->input);
110 	kfree(pcap_keys);
125 MODULE_ALIAS("platform:pcap_keys");