hid/i2c-hid/i2c-hid-acpi.c

2  * HID over I2C ACPI Subclass
9  * "USB HID support for Linux":
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
24 #include <linux/i2c.h>
30 #include "i2c-hid.h"
40 	 * ICN8505 controller, has a _CID of PNP0C50 but is not HID compatible.
51 /* HID I²C Device: 3cdff6f7-4267-4555-ad05-b30a3d8938de */
58 	struct acpi_device *adev = ihid_acpi->adev;  in i2c_hid_acpi_get_descriptor()
64 		return -ENODEV;  in i2c_hid_acpi_get_descriptor()
69 		acpi_handle_err(handle, "Error _DSM call to get HID descriptor address failed\n");  in i2c_hid_acpi_get_descriptor()
70 		return -ENODEV;  in i2c_hid_acpi_get_descriptor()
73 	hid_descriptor_address = obj->integer.value;  in i2c_hid_acpi_get_descriptor()
83 	acpi_device_set_power(ihid_acpi->adev, ACPI_STATE_D3_COLD);  in i2c_hid_acpi_shutdown_tail()
88 	struct device *dev = &client->dev;  in i2c_hid_acpi_probe()
93 	ihid_acpi = devm_kzalloc(&client->dev, sizeof(*ihid_acpi), GFP_KERNEL);  in i2c_hid_acpi_probe()
95 		return -ENOMEM;  in i2c_hid_acpi_probe()
97 	ihid_acpi->adev = ACPI_COMPANION(dev);  in i2c_hid_acpi_probe()
98 	ihid_acpi->ops.shutdown_tail = i2c_hid_acpi_shutdown_tail;  in i2c_hid_acpi_probe()
105 	acpi_device_fix_up_power(ihid_acpi->adev);  in i2c_hid_acpi_probe()
107 	return i2c_hid_core_probe(client, &ihid_acpi->ops,  in i2c_hid_acpi_probe()
133 MODULE_DESCRIPTION("HID over I2C ACPI driver");