diff options
Diffstat (limited to 'drivers/usb/input/itmtouch.c')
| -rw-r--r-- | drivers/usb/input/itmtouch.c | 55 |
1 files changed, 24 insertions, 31 deletions
diff --git a/drivers/usb/input/itmtouch.c b/drivers/usb/input/itmtouch.c index 4c27c104f63e..5122a7f701a9 100644 --- a/drivers/usb/input/itmtouch.c +++ b/drivers/usb/input/itmtouch.c @@ -18,14 +18,14 @@ * Based upon original work by Chris Collins <xfire-itmtouch@xware.cx>. * * Kudos to ITM for providing me with the datasheet for the panel, - * even though it was a day later than I had finished writing this + * even though it was a day later than I had finished writing this * driver. - * + * * It has meant that I've been able to correct my interpretation of the * protocol packets however. - * + * * CC -- 2003/9/29 - * + * * History * 1.0 & 1.1 2003 (CC) vojtech@suse.cz * Original version for 2.4.x kernels @@ -33,10 +33,10 @@ * 1.2 02/03/2005 (HCE) hc@mivu.no * Complete rewrite to support Linux 2.6.10, thanks to mtouchusb.c for hints. * Unfortunately no calibration support at this time. - * + * * 1.2.1 09/03/2005 (HCE) hc@mivu.no * Code cleanup and adjusting syntax to start matching kernel standards - * + * *****************************************************************************/ #include <linux/config.h> @@ -71,7 +71,7 @@ MODULE_DESCRIPTION( DRIVER_DESC ); MODULE_LICENSE( DRIVER_LICENSE ); struct itmtouch_dev { - struct usb_device *usbdev; /* usb device */ + struct usb_device *usbdev; /* usb device */ struct input_dev inputdev; /* input device */ struct urb *readurb; /* urb */ char rbuf[ITM_BUFSIZE]; /* data */ @@ -121,7 +121,7 @@ static void itmtouch_irq(struct urb *urb, struct pt_regs *regs) input_report_abs(dev, ABS_X, (data[0] & 0x1F) << 7 | (data[3] & 0x7F)); input_report_abs(dev, ABS_Y, (data[1] & 0x1F) << 7 | (data[4] & 0x7F)); } - + input_report_abs(dev, ABS_PRESSURE, (data[2] & 1) << 7 | (data[5] & 0x7F)); input_report_key(dev, BTN_TOUCH, ~data[7] & 0x20); input_sync(dev); @@ -142,8 +142,7 @@ static int itmtouch_open(struct input_dev *input) itmtouch->readurb->dev = itmtouch->usbdev; - if (usb_submit_urb(itmtouch->readurb, GFP_KERNEL)) - { + if (usb_submit_urb(itmtouch->readurb, GFP_KERNEL)) { itmtouch->users--; return -EIO; } @@ -178,13 +177,13 @@ static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id } itmtouch->usbdev = udev; - + itmtouch->inputdev.private = itmtouch; itmtouch->inputdev.open = itmtouch_open; itmtouch->inputdev.close = itmtouch_close; 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); @@ -194,12 +193,12 @@ static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id itmtouch->inputdev.id.bustype = BUS_USB; itmtouch->inputdev.id.vendor = udev->descriptor.idVendor; itmtouch->inputdev.id.product = udev->descriptor.idProduct; - itmtouch->inputdev.id.version = udev->descriptor.bcdDevice; + itmtouch->inputdev.id.version = udev->descriptor.bcdDevice; itmtouch->inputdev.dev = &intf->dev; if (!strlen(itmtouch->name)) sprintf(itmtouch->name, "USB ITM touchscreen"); - + /* device limits */ /* as specified by the ITM datasheet, X and Y are 12bit, * Z (pressure) is 8 bit. However, the fields are defined up @@ -212,26 +211,20 @@ static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id /* initialise the URB so we can read from the transport stream */ pipe = usb_rcvintpipe(itmtouch->usbdev, endpoint->bEndpointAddress); maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); - + if (maxp > ITM_BUFSIZE) 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; } - - usb_fill_int_urb(itmtouch->readurb, - itmtouch->usbdev, - pipe, - itmtouch->rbuf, - maxp, - itmtouch_irq, - itmtouch, - endpoint->bInterval); + + usb_fill_int_urb(itmtouch->readurb, itmtouch->usbdev, pipe, itmtouch->rbuf, + maxp, itmtouch_irq, itmtouch, endpoint->bInterval); input_register_device(&itmtouch->inputdev); @@ -242,7 +235,7 @@ static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id } static void itmtouch_disconnect(struct usb_interface *intf) -{ +{ struct itmtouch_dev *itmtouch = usb_get_intfdata(intf); usb_set_intfdata(intf, NULL); @@ -258,11 +251,11 @@ static void itmtouch_disconnect(struct usb_interface *intf) MODULE_DEVICE_TABLE(usb, itmtouch_ids); static struct usb_driver itmtouch_driver = { - .owner = THIS_MODULE, - .name = "itmtouch", - .probe = itmtouch_probe, - .disconnect = itmtouch_disconnect, - .id_table = itmtouch_ids, + .owner = THIS_MODULE, + .name = "itmtouch", + .probe = itmtouch_probe, + .disconnect = itmtouch_disconnect, + .id_table = itmtouch_ids, }; static int __init itmtouch_init(void) |