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author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-15 02:01:47 -0500 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-10-28 09:52:52 -0700 |
commit | c5b7c7c395a34f12cdf246d66c1feeff2933d584 (patch) | |
tree | 8af335c30bb92991f4bfd8251de4fed9907b07bd /drivers/usb/input/itmtouch.c | |
parent | 3c42f0c3dde8feb59fc87df45cadb847d5511c0a (diff) | |
download | op-kernel-dev-c5b7c7c395a34f12cdf246d66c1feeff2933d584.zip op-kernel-dev-c5b7c7c395a34f12cdf246d66c1feeff2933d584.tar.gz |
[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>
Diffstat (limited to 'drivers/usb/input/itmtouch.c')
-rw-r--r-- | drivers/usb/input/itmtouch.c | 70 |
1 files changed, 42 insertions, 28 deletions
diff --git a/drivers/usb/input/itmtouch.c b/drivers/usb/input/itmtouch.c index becb87e..3b58185 100644 --- a/drivers/usb/input/itmtouch.c +++ b/drivers/usb/input/itmtouch.c @@ -73,7 +73,7 @@ MODULE_LICENSE( DRIVER_LICENSE ); struct itmtouch_dev { struct usb_device *usbdev; /* usb device */ - struct input_dev inputdev; /* input device */ + struct input_dev *inputdev; /* input device */ struct urb *readurb; /* urb */ char rbuf[ITM_BUFSIZE]; /* data */ int users; @@ -88,9 +88,9 @@ static struct usb_device_id itmtouch_ids [] = { static void itmtouch_irq(struct urb *urb, struct pt_regs *regs) { - struct itmtouch_dev * itmtouch = urb->context; + struct itmtouch_dev *itmtouch = urb->context; unsigned char *data = urb->transfer_buffer; - struct input_dev *dev = &itmtouch->inputdev; + struct input_dev *dev = itmtouch->inputdev; int retval; switch (urb->status) { @@ -156,49 +156,62 @@ static void itmtouch_close(struct input_dev *input) static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct itmtouch_dev *itmtouch; + struct input_dev *input_dev; struct usb_host_interface *interface; struct usb_endpoint_descriptor *endpoint; struct usb_device *udev = interface_to_usbdev(intf); unsigned int pipe; unsigned int maxp; - char path[PATH_SIZE]; interface = intf->cur_altsetting; endpoint = &interface->endpoint[0].desc; - if (!(itmtouch = kzalloc(sizeof(struct itmtouch_dev), GFP_KERNEL))) { + itmtouch = kzalloc(sizeof(struct itmtouch_dev), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!itmtouch || !input_dev) { err("%s - Out of memory.", __FUNCTION__); - return -ENOMEM; + goto fail; } itmtouch->usbdev = udev; + itmtouch->inputdev = input_dev; - itmtouch->inputdev.private = itmtouch; - itmtouch->inputdev.open = itmtouch_open; - itmtouch->inputdev.close = itmtouch_close; + if (udev->manufacturer) + strlcpy(itmtouch->name, udev->manufacturer, sizeof(itmtouch->name)); - usb_make_path(udev, path, PATH_SIZE); - - itmtouch->inputdev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); - itmtouch->inputdev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE); - itmtouch->inputdev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH); - - itmtouch->inputdev.name = itmtouch->name; - itmtouch->inputdev.phys = itmtouch->phys; - usb_to_input_id(udev, &itmtouch->inputdev.id); - itmtouch->inputdev.dev = &intf->dev; + if (udev->product) { + if (udev->manufacturer) + strlcat(itmtouch->name, " ", sizeof(itmtouch->name)); + strlcat(itmtouch->name, udev->product, sizeof(itmtouch->name)); + } if (!strlen(itmtouch->name)) sprintf(itmtouch->name, "USB ITM touchscreen"); + usb_make_path(udev, itmtouch->phys, sizeof(itmtouch->phys)); + strlcpy(itmtouch->phys, "/input0", sizeof(itmtouch->phys)); + + input_dev->name = itmtouch->name; + input_dev->phys = itmtouch->phys; + usb_to_input_id(udev, &input_dev->id); + input_dev->cdev.dev = &intf->dev; + input_dev->private = itmtouch; + + input_dev->open = itmtouch_open; + input_dev->close = itmtouch_close; + + input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); + input_dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE); + input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH); + /* device limits */ /* as specified by the ITM datasheet, X and Y are 12bit, * Z (pressure) is 8 bit. However, the fields are defined up * to 14 bits for future possible expansion. */ - input_set_abs_params(&itmtouch->inputdev, ABS_X, 0, 0x0FFF, 2, 0); - input_set_abs_params(&itmtouch->inputdev, ABS_Y, 0, 0x0FFF, 2, 0); - input_set_abs_params(&itmtouch->inputdev, ABS_PRESSURE, 0, 0xFF, 2, 0); + input_set_abs_params(input_dev, ABS_X, 0, 0x0FFF, 2, 0); + input_set_abs_params(input_dev, ABS_Y, 0, 0x0FFF, 2, 0); + input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xFF, 2, 0); /* initialise the URB so we can read from the transport stream */ pipe = usb_rcvintpipe(itmtouch->usbdev, endpoint->bEndpointAddress); @@ -208,22 +221,23 @@ static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id maxp = ITM_BUFSIZE; itmtouch->readurb = usb_alloc_urb(0, GFP_KERNEL); - if (!itmtouch->readurb) { dbg("%s - usb_alloc_urb failed: itmtouch->readurb", __FUNCTION__); - kfree(itmtouch); - return -ENOMEM; + goto fail; } usb_fill_int_urb(itmtouch->readurb, itmtouch->usbdev, pipe, itmtouch->rbuf, maxp, itmtouch_irq, itmtouch, endpoint->bInterval); - input_register_device(&itmtouch->inputdev); + input_register_device(itmtouch->inputdev); - printk(KERN_INFO "itmtouch: %s registered on %s\n", itmtouch->name, path); usb_set_intfdata(intf, itmtouch); return 0; + + fail: input_free_device(input_dev); + kfree(itmtouch); + return -ENOMEM; } static void itmtouch_disconnect(struct usb_interface *intf) @@ -233,7 +247,7 @@ static void itmtouch_disconnect(struct usb_interface *intf) usb_set_intfdata(intf, NULL); if (itmtouch) { - input_unregister_device(&itmtouch->inputdev); + input_unregister_device(itmtouch->inputdev); usb_kill_urb(itmtouch->readurb); usb_free_urb(itmtouch->readurb); kfree(itmtouch); |