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| author | Bastian Blank <waldi@debian.org> | 2010-02-10 23:06:23 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-10 23:31:37 -0800 |
| commit | b036f6fb3aa23a52d90da5fc57e0803f08292e82 (patch) | |
| tree | 714b969a2dc7101c4a2574c48cb5ddd239dad47f /drivers/input/tablet/wacom_sys.c | |
| parent | 5deeac99fe1146532eb7c64f9adb17d17628d751 (diff) | |
| download | lwn-b036f6fb3aa23a52d90da5fc57e0803f08292e82.tar.gz lwn-b036f6fb3aa23a52d90da5fc57e0803f08292e82.zip | |
Input: wacom - get features from driver info
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>
Diffstat (limited to 'drivers/input/tablet/wacom_sys.c')
| -rw-r--r-- | drivers/input/tablet/wacom_sys.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 072f33b3b2b0..be4b76f264a7 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -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 ":" |