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Input: wacom - get features from driver info

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Get the features information from the driver info of the usb device id
structure provided by the caller. The device ids and feature structs
are strong coupled using indices.

Signed-off-by: Bastian Blank <waldi@debian.org>
Tested-by: Jason Childs <oblivian@users.sourceforge.net>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Bastian Blank
2010-02-10 23:06:23 -08:00
committed by Dmitry Torokhov
parent 5deeac99fe
commit b036f6fb3a
3 changed files with 205 additions and 152 deletions
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10
drivers/input/tablet/wacom_sys.c
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@@ -530,10 +530,13 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
struct usb_endpoint_descriptor *endpoint;
struct wacom *wacom;
struct wacom_wac *wacom_wac;
struct wacom_features *features;
struct wacom_features *features = (void *)id->driver_info;
struct input_dev *input_dev;
int error = -ENOMEM;
if (!features)
return -EINVAL;
wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL);
input_dev = input_allocate_device();
@@ -555,7 +558,7 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
wacom_wac->features = features = get_wacom_feature(id);
wacom_wac->features = features;
BUG_ON(features->pktlen > WACOM_PKGLEN_MAX);
input_dev->name = wacom_wac->features->name;
@@ -663,6 +666,7 @@ static int wacom_reset_resume(struct usb_interface *intf)
static struct usb_driver wacom_driver = {
.name = "wacom",
.id_table = wacom_ids,
.probe = wacom_probe,
.disconnect = wacom_disconnect,
.suspend = wacom_suspend,
@@ -674,7 +678,7 @@ static struct usb_driver wacom_driver = {
static int __init wacom_init(void)
{
int result;
wacom_driver.id_table = get_device_table();
result = usb_register(&wacom_driver);
if (result == 0)
printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"