[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>
diff --git a/drivers/usb/input/touchkitusb.c b/drivers/usb/input/touchkitusb.c
index 4276c24..3766ccc 100644
--- a/drivers/usb/input/touchkitusb.c
+++ b/drivers/usb/input/touchkitusb.c
@@ -68,7 +68,7 @@
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 @@
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 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 @@
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);