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author | Paul Mackerras <paulus@samba.org> | 2005-10-31 13:37:12 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2005-10-31 13:37:12 +1100 |
commit | 23fd07750a789a66fe88cf173d52a18f1a387da4 (patch) | |
tree | 06fdd6df35fdb835abdaa9b754d62f6b84b97250 /drivers/usb/input/kbtab.c | |
parent | bd787d438a59266af3c9f6351644c85ef1dd21fe (diff) | |
parent | ed28f96ac1960f30f818374d65be71d2fdf811b0 (diff) | |
download | linux-23fd07750a789a66fe88cf173d52a18f1a387da4.tar.gz linux-23fd07750a789a66fe88cf173d52a18f1a387da4.tar.bz2 linux-23fd07750a789a66fe88cf173d52a18f1a387da4.zip |
Merge ../linux-2.6 by hand
Diffstat (limited to 'drivers/usb/input/kbtab.c')
-rw-r--r-- | drivers/usb/input/kbtab.c | 82 |
1 files changed, 37 insertions, 45 deletions
diff --git a/drivers/usb/input/kbtab.c b/drivers/usb/input/kbtab.c index b6f6ac8d9c2f..a248664b5d1d 100644 --- a/drivers/usb/input/kbtab.c +++ b/drivers/usb/input/kbtab.c @@ -34,7 +34,7 @@ MODULE_PARM_DESC(kb_pressure_click, "pressure threshold for clicks"); struct kbtab { signed char *data; dma_addr_t data_dma; - struct input_dev dev; + struct input_dev *dev; struct usb_device *usbdev; struct urb *irq; int x, y; @@ -48,7 +48,7 @@ static void kbtab_irq(struct urb *urb, struct pt_regs *regs) { struct kbtab *kbtab = urb->context; unsigned char *data = kbtab->data; - struct input_dev *dev = &kbtab->dev; + struct input_dev *dev = kbtab->dev; int retval; switch (urb->status) { @@ -124,53 +124,43 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i struct usb_device *dev = interface_to_usbdev(intf); struct usb_endpoint_descriptor *endpoint; struct kbtab *kbtab; - char path[64]; + struct input_dev *input_dev; - if (!(kbtab = kmalloc(sizeof(struct kbtab), GFP_KERNEL))) - return -ENOMEM; - memset(kbtab, 0, sizeof(struct kbtab)); + kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!kbtab || !input_dev) + goto fail1; kbtab->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &kbtab->data_dma); - if (!kbtab->data) { - kfree(kbtab); - return -ENOMEM; - } + if (!kbtab->data) + goto fail1; kbtab->irq = usb_alloc_urb(0, GFP_KERNEL); - if (!kbtab->irq) { - usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma); - kfree(kbtab); - return -ENOMEM; - } - - kbtab->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_MSC); - kbtab->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE); - - kbtab->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE); - - kbtab->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH); + if (!kbtab->irq) + goto fail2; - kbtab->dev.mscbit[0] |= BIT(MSC_SERIAL); - - kbtab->dev.absmax[ABS_X] = 0x2000; - kbtab->dev.absmax[ABS_Y] = 0x1750; - kbtab->dev.absmax[ABS_PRESSURE] = 0xff; + kbtab->usbdev = dev; + kbtab->dev = input_dev; - kbtab->dev.absfuzz[ABS_X] = 4; - kbtab->dev.absfuzz[ABS_Y] = 4; + usb_make_path(dev, kbtab->phys, sizeof(kbtab->phys)); + strlcat(kbtab->phys, "/input0", sizeof(kbtab->phys)); - kbtab->dev.private = kbtab; - kbtab->dev.open = kbtab_open; - kbtab->dev.close = kbtab_close; + input_dev->name = "KB Gear Tablet"; + input_dev->phys = kbtab->phys; + usb_to_input_id(dev, &input_dev->id); + input_dev->cdev.dev = &intf->dev; + input_dev->private = kbtab; - usb_make_path(dev, path, 64); - sprintf(kbtab->phys, "%s/input0", path); + input_dev->open = kbtab_open; + input_dev->close = kbtab_close; - kbtab->dev.name = "KB Gear Tablet"; - kbtab->dev.phys = kbtab->phys; - usb_to_input_id(dev, &kbtab->dev.id); - kbtab->dev.dev = &intf->dev; - kbtab->usbdev = dev; + input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_MSC); + input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE); + input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH); + input_dev->mscbit[0] |= BIT(MSC_SERIAL); + input_set_abs_params(input_dev, ABS_X, 0, 0x2000, 4, 0); + input_set_abs_params(input_dev, ABS_X, 0, 0x1750, 4, 0); + input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xff, 0, 0); endpoint = &intf->cur_altsetting->endpoint[0].desc; @@ -181,23 +171,25 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i kbtab->irq->transfer_dma = kbtab->data_dma; kbtab->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - input_register_device(&kbtab->dev); - - printk(KERN_INFO "input: KB Gear Tablet on %s\n", path); + input_register_device(kbtab->dev); usb_set_intfdata(intf, kbtab); - return 0; + +fail2: usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma); +fail1: input_free_device(input_dev); + kfree(kbtab); + return -ENOMEM; } static void kbtab_disconnect(struct usb_interface *intf) { - struct kbtab *kbtab = usb_get_intfdata (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); + 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); |