12  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
13  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
14  *  Copyright (c) 2007-2008 Oliver Neukum
15  *  Copyright (c) 2006-2010 Jiri Kosina
32 #include "i2c-hid.h"
38 	struct regulator_bulk_data supplies[2];  member
45 	struct device *dev = &ihid_of->client->dev;  in i2c_hid_of_power_up()
48 	ret = regulator_bulk_enable(ARRAY_SIZE(ihid_of->supplies),  in i2c_hid_of_power_up()
49 				    ihid_of->supplies);  in i2c_hid_of_power_up()
51 		dev_warn(dev, "Failed to enable supplies: %d\n", ret);  in i2c_hid_of_power_up()
55 	if (ihid_of->post_power_delay_ms)  in i2c_hid_of_power_up()
56 		msleep(ihid_of->post_power_delay_ms);  in i2c_hid_of_power_up()
65 	regulator_bulk_disable(ARRAY_SIZE(ihid_of->supplies),  in i2c_hid_of_power_down()
66 			       ihid_of->supplies);  in i2c_hid_of_power_down()
72 	struct device *dev = &client->dev;  in i2c_hid_of_probe()
79 	ihid_of = devm_kzalloc(&client->dev, sizeof(*ihid_of), GFP_KERNEL);  in i2c_hid_of_probe()
81 		return -ENOMEM;  in i2c_hid_of_probe()
83 	ihid_of->ops.power_up = i2c_hid_of_power_up;  in i2c_hid_of_probe()
84 	ihid_of->ops.power_down = i2c_hid_of_power_down;  in i2c_hid_of_probe()
86 	ret = of_property_read_u32(dev->of_node, "hid-descr-addr", &val);  in i2c_hid_of_probe()
88 		dev_err(&client->dev, "HID register address not provided\n");  in i2c_hid_of_probe()
89 		return -ENODEV;  in i2c_hid_of_probe()
92 		dev_err(&client->dev, "Bad HID register address: 0x%08x\n",  in i2c_hid_of_probe()
94 		return -EINVAL;  in i2c_hid_of_probe()
98 	if (!device_property_read_u32(&client->dev, "post-power-on-delay-ms",  in i2c_hid_of_probe()
100 		ihid_of->post_power_delay_ms = val;  in i2c_hid_of_probe()
102 	ihid_of->supplies[0].supply = "vdd";  in i2c_hid_of_probe()
103 	ihid_of->supplies[1].supply = "vddl";  in i2c_hid_of_probe()
104 	ret = devm_regulator_bulk_get(&client->dev,  in i2c_hid_of_probe()
105 				      ARRAY_SIZE(ihid_of->supplies),  in i2c_hid_of_probe()
106 				      ihid_of->supplies);  in i2c_hid_of_probe()
110 	if (device_property_read_bool(dev, "touchscreen-inverted-x"))  in i2c_hid_of_probe()
113 	if (device_property_read_bool(dev, "touchscreen-inverted-y"))  in i2c_hid_of_probe()
116 	return i2c_hid_core_probe(client, &ihid_of->ops,  in i2c_hid_of_probe()
121 	{ .compatible = "hid-over-i2c" },
128 	{ "hid-over-i2c", 0 },