aboutsummaryrefslogtreecommitdiff
path: root/drivers/input/tablet/kbtab.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/tablet/kbtab.c')
-rw-r--r--drivers/input/tablet/kbtab.c89
1 files changed, 33 insertions, 56 deletions
diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c
index 6682b17bf84..d2ac7c2b5b8 100644
--- a/drivers/input/tablet/kbtab.c
+++ b/drivers/input/tablet/kbtab.c
@@ -1,7 +1,6 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/usb/input.h>
#include <asm/unaligned.h>
@@ -33,11 +32,8 @@ struct kbtab {
dma_addr_t data_dma;
struct input_dev *dev;
struct usb_device *usbdev;
+ struct usb_interface *intf;
struct urb *irq;
- int x, y;
- int button;
- int pressure;
- __u32 serial[2];
char phys[32];
};
@@ -46,6 +42,7 @@ static void kbtab_irq(struct urb *urb)
struct kbtab *kbtab = urb->context;
unsigned char *data = kbtab->data;
struct input_dev *dev = kbtab->dev;
+ int pressure;
int retval;
switch (urb->status) {
@@ -56,39 +53,40 @@ static void kbtab_irq(struct urb *urb)
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __func__, urb->status);
+ dev_dbg(&kbtab->intf->dev,
+ "%s - urb shutting down with status: %d\n",
+ __func__, urb->status);
return;
default:
- dbg("%s - nonzero urb status received: %d", __func__, urb->status);
+ dev_dbg(&kbtab->intf->dev,
+ "%s - nonzero urb status received: %d\n",
+ __func__, urb->status);
goto exit;
}
- kbtab->x = get_unaligned_le16(&data[1]);
- kbtab->y = get_unaligned_le16(&data[3]);
-
- kbtab->pressure = (data[5]);
input_report_key(dev, BTN_TOOL_PEN, 1);
- input_report_abs(dev, ABS_X, kbtab->x);
- input_report_abs(dev, ABS_Y, kbtab->y);
+ input_report_abs(dev, ABS_X, get_unaligned_le16(&data[1]));
+ input_report_abs(dev, ABS_Y, get_unaligned_le16(&data[3]));
/*input_report_key(dev, BTN_TOUCH , data[0] & 0x01);*/
input_report_key(dev, BTN_RIGHT, data[0] & 0x02);
- if (-1 == kb_pressure_click) {
- input_report_abs(dev, ABS_PRESSURE, kbtab->pressure);
- } else {
- input_report_key(dev, BTN_LEFT, (kbtab->pressure > kb_pressure_click) ? 1 : 0);
- };
+ pressure = data[5];
+ if (kb_pressure_click == -1)
+ input_report_abs(dev, ABS_PRESSURE, pressure);
+ else
+ input_report_key(dev, BTN_LEFT, pressure > kb_pressure_click ? 1 : 0);
input_sync(dev);
exit:
- retval = usb_submit_urb (urb, GFP_ATOMIC);
+ retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
- err ("%s - usb_submit_urb failed with result %d",
- __func__, retval);
+ dev_err(&kbtab->intf->dev,
+ "%s - usb_submit_urb failed with result %d\n",
+ __func__, retval);
}
static struct usb_device_id kbtab_ids[] = {
@@ -129,7 +127,7 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
if (!kbtab || !input_dev)
goto fail1;
- kbtab->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &kbtab->data_dma);
+ kbtab->data = usb_alloc_coherent(dev, 8, GFP_KERNEL, &kbtab->data_dma);
if (!kbtab->data)
goto fail1;
@@ -138,6 +136,7 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
goto fail2;
kbtab->usbdev = dev;
+ kbtab->intf = intf;
kbtab->dev = input_dev;
usb_make_path(dev, kbtab->phys, sizeof(kbtab->phys));
@@ -153,13 +152,11 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
input_dev->open = kbtab_open;
input_dev->close = kbtab_close;
- input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) |
- BIT_MASK(EV_MSC);
- input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) |
- BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
- input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_PEN) |
- BIT_MASK(BTN_TOUCH);
- input_dev->mscbit[0] |= BIT_MASK(MSC_SERIAL);
+ input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |=
+ BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |=
+ BIT_MASK(BTN_TOOL_PEN) | BIT_MASK(BTN_TOUCH);
input_set_abs_params(input_dev, ABS_X, 0, 0x2000, 4, 0);
input_set_abs_params(input_dev, ABS_Y, 0, 0x1750, 4, 0);
input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xff, 0, 0);
@@ -182,7 +179,7 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
return 0;
fail3: usb_free_urb(kbtab->irq);
- fail2: usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma);
+ fail2: usb_free_coherent(dev, 8, kbtab->data, kbtab->data_dma);
fail1: input_free_device(input_dev);
kfree(kbtab);
return error;
@@ -193,13 +190,11 @@ static void kbtab_disconnect(struct usb_interface *intf)
struct kbtab *kbtab = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
- if (kbtab) {
- usb_kill_urb(kbtab->irq);
- input_unregister_device(kbtab->dev);
- usb_free_urb(kbtab->irq);
- usb_buffer_free(interface_to_usbdev(intf), 10, kbtab->data, kbtab->data_dma);
- kfree(kbtab);
- }
+
+ input_unregister_device(kbtab->dev);
+ usb_free_urb(kbtab->irq);
+ usb_free_coherent(kbtab->usbdev, 8, kbtab->data, kbtab->data_dma);
+ kfree(kbtab);
}
static struct usb_driver kbtab_driver = {
@@ -209,22 +204,4 @@ static struct usb_driver kbtab_driver = {
.id_table = kbtab_ids,
};
-static int __init kbtab_init(void)
-{
- int retval;
- retval = usb_register(&kbtab_driver);
- if (retval)
- goto out;
- printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
- DRIVER_DESC "\n");
-out:
- return retval;
-}
-
-static void __exit kbtab_exit(void)
-{
- usb_deregister(&kbtab_driver);
-}
-
-module_init(kbtab_init);
-module_exit(kbtab_exit);
+module_usb_driver(kbtab_driver);