[PATCH] drivers/usb/input: convert to dynamic input_dev allocation

Input: convert drivers/iusb/input to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dmitry Torokhov
2005-09-15 02:01:47 -05:00
committed by Greg Kroah-Hartman
parent 3c42f0c3dd
commit c5b7c7c395
21 changed files with 988 additions and 1029 deletions

View File

@@ -68,7 +68,7 @@ struct touchkit_usb {
dma_addr_t data_dma;
struct urb *irq;
struct usb_device *udev;
struct input_dev input;
struct input_dev *input;
char name[128];
char phys[64];
};
@@ -115,12 +115,12 @@ static void touchkit_irq(struct urb *urb, struct pt_regs *regs)
y = TOUCHKIT_GET_Y(touchkit->data);
}
input_regs(&touchkit->input, regs);
input_report_key(&touchkit->input, BTN_TOUCH,
input_regs(touchkit->input, regs);
input_report_key(touchkit->input, BTN_TOUCH,
TOUCHKIT_GET_TOUCHED(touchkit->data));
input_report_abs(&touchkit->input, ABS_X, x);
input_report_abs(&touchkit->input, ABS_Y, y);
input_sync(&touchkit->input);
input_report_abs(touchkit->input, ABS_X, x);
input_report_abs(touchkit->input, ABS_Y, y);
input_sync(touchkit->input);
exit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
@@ -171,87 +171,81 @@ static void touchkit_free_buffers(struct usb_device *udev,
static int touchkit_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
int ret;
struct touchkit_usb *touchkit;
struct input_dev *input_dev;
struct usb_host_interface *interface;
struct usb_endpoint_descriptor *endpoint;
struct usb_device *udev = interface_to_usbdev(intf);
char path[64];
interface = intf->cur_altsetting;
endpoint = &interface->endpoint[0].desc;
touchkit = kmalloc(sizeof(struct touchkit_usb), GFP_KERNEL);
if (!touchkit)
return -ENOMEM;
memset(touchkit, 0, sizeof(struct touchkit_usb));
touchkit->udev = udev;
if (touchkit_alloc_buffers(udev, touchkit)) {
ret = -ENOMEM;
touchkit = kzalloc(sizeof(struct touchkit_usb), GFP_KERNEL);
input_dev = input_allocate_device();
if (!touchkit || !input_dev)
goto out_free;
}
touchkit->input.private = touchkit;
touchkit->input.open = touchkit_open;
touchkit->input.close = touchkit_close;
usb_make_path(udev, path, 64);
sprintf(touchkit->phys, "%s/input0", path);
touchkit->input.name = touchkit->name;
touchkit->input.phys = touchkit->phys;
usb_to_input_id(udev, &touchkit->input.id);
touchkit->input.dev = &intf->dev;
touchkit->input.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
touchkit->input.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
touchkit->input.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
/* Used to Scale Compensated Data */
touchkit->input.absmin[ABS_X] = TOUCHKIT_MIN_XC;
touchkit->input.absmax[ABS_X] = TOUCHKIT_MAX_XC;
touchkit->input.absfuzz[ABS_X] = TOUCHKIT_XC_FUZZ;
touchkit->input.absflat[ABS_X] = TOUCHKIT_XC_FLAT;
touchkit->input.absmin[ABS_Y] = TOUCHKIT_MIN_YC;
touchkit->input.absmax[ABS_Y] = TOUCHKIT_MAX_YC;
touchkit->input.absfuzz[ABS_Y] = TOUCHKIT_YC_FUZZ;
touchkit->input.absflat[ABS_Y] = TOUCHKIT_YC_FLAT;
if (udev->manufacturer)
strcat(touchkit->name, udev->manufacturer);
if (udev->product)
sprintf(touchkit->name, "%s %s", touchkit->name, udev->product);
if (!strlen(touchkit->name))
sprintf(touchkit->name, "USB Touchscreen %04x:%04x",
touchkit->input.id.vendor, touchkit->input.id.product);
if (touchkit_alloc_buffers(udev, touchkit))
goto out_free;
touchkit->irq = usb_alloc_urb(0, GFP_KERNEL);
if (!touchkit->irq) {
dbg("%s - usb_alloc_urb failed: touchkit->irq", __FUNCTION__);
ret = -ENOMEM;
goto out_free_buffers;
}
touchkit->udev = udev;
touchkit->input = input_dev;
if (udev->manufacturer)
strlcpy(touchkit->name, udev->manufacturer, sizeof(touchkit->name));
if (udev->product) {
if (udev->manufacturer)
strlcat(touchkit->name, " ", sizeof(touchkit->name));
strlcat(touchkit->name, udev->product, sizeof(touchkit->name));
}
if (!strlen(touchkit->name))
snprintf(touchkit->name, sizeof(touchkit->name),
"USB Touchscreen %04x:%04x",
le16_to_cpu(udev->descriptor.idVendor),
le16_to_cpu(udev->descriptor.idProduct));
usb_make_path(udev, touchkit->phys, sizeof(touchkit->phys));
strlcpy(touchkit->phys, "/input0", sizeof(touchkit->phys));
input_dev->name = touchkit->name;
input_dev->phys = touchkit->phys;
usb_to_input_id(udev, &input_dev->id);
input_dev->cdev.dev = &intf->dev;
input_dev->private = touchkit;
input_dev->open = touchkit_open;
input_dev->close = touchkit_close;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
input_set_abs_params(input_dev, ABS_X, TOUCHKIT_MIN_XC, TOUCHKIT_MAX_XC,
TOUCHKIT_XC_FUZZ, TOUCHKIT_XC_FLAT);
input_set_abs_params(input_dev, ABS_Y, TOUCHKIT_MIN_YC, TOUCHKIT_MAX_YC,
TOUCHKIT_YC_FUZZ, TOUCHKIT_YC_FLAT);
usb_fill_int_urb(touchkit->irq, touchkit->udev,
usb_rcvintpipe(touchkit->udev, 0x81),
touchkit->data, TOUCHKIT_REPORT_DATA_SIZE,
touchkit_irq, touchkit, endpoint->bInterval);
usb_rcvintpipe(touchkit->udev, 0x81),
touchkit->data, TOUCHKIT_REPORT_DATA_SIZE,
touchkit_irq, touchkit, endpoint->bInterval);
input_register_device(&touchkit->input);
input_register_device(touchkit->input);
printk(KERN_INFO "input: %s on %s\n", touchkit->name, path);
usb_set_intfdata(intf, touchkit);
return 0;
out_free_buffers:
touchkit_free_buffers(udev, touchkit);
out_free:
input_free_device(input_dev);
kfree(touchkit);
return ret;
return -ENOMEM;
}
static void touchkit_disconnect(struct usb_interface *intf)
@@ -265,8 +259,8 @@ static void touchkit_disconnect(struct usb_interface *intf)
dbg("%s - touchkit is initialized, cleaning up", __FUNCTION__);
usb_set_intfdata(intf, NULL);
input_unregister_device(&touchkit->input);
usb_kill_urb(touchkit->irq);
input_unregister_device(touchkit->input);
usb_free_urb(touchkit->irq);
touchkit_free_buffers(interface_to_usbdev(intf), touchkit);
kfree(touchkit);