diff options
Diffstat (limited to 'drivers/usb/input/aiptek.c')
| -rw-r--r-- | drivers/usb/input/aiptek.c | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/drivers/usb/input/aiptek.c b/drivers/usb/input/aiptek.c index e991f7ed7330..6bb0f25e8e93 100644 --- a/drivers/usb/input/aiptek.c +++ b/drivers/usb/input/aiptek.c @@ -1,7 +1,7 @@ /* * Native support for the Aiptek HyperPen USB Tablets * (4000U/5000U/6000U/8000U/12000U) - * + * * Copyright (c) 2001 Chris Atenasio <chris@crud.net> * Copyright (c) 2002-2004 Bryan W. Headley <bwheadley@earthlink.net> * @@ -31,7 +31,7 @@ * - Added support for the sysfs interface, deprecating the * procfs interface for 2.5.x kernel. Also added support for * Wheel command. Bryan W. Headley July-15-2003. - * v1.2 - Reworked jitter timer as a kernel thread. + * v1.2 - Reworked jitter timer as a kernel thread. * Bryan W. Headley November-28-2003/Jan-10-2004. * v1.3 - Repaired issue of kernel thread going nuts on single-processor * machines, introduced programmableDelay as a command line @@ -49,10 +49,10 @@ * NOTE: * This kernel driver is augmented by the "Aiptek" XFree86 input * driver for your X server, as well as the Gaiptek GUI Front-end - * "Tablet Manager". - * These three products are highly interactive with one another, + * "Tablet Manager". + * These three products are highly interactive with one another, * so therefore it's easier to document them all as one subsystem. - * Please visit the project's "home page", located at, + * Please visit the project's "home page", located at, * http://aiptektablet.sourceforge.net. * * This program is free software; you can redistribute it and/or modify @@ -156,7 +156,7 @@ * Command/Data Description Return Bytes Return Value * 0x10/0x00 SwitchToMouse 0 * 0x10/0x01 SwitchToTablet 0 - * 0x18/0x04 SetResolution 0 + * 0x18/0x04 SetResolution 0 * 0x12/0xFF AutoGainOn 0 * 0x17/0x00 FilterOn 0 * 0x01/0x00 GetXExtension 2 MaxX @@ -247,7 +247,7 @@ #define AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE 2 #define AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED 3 - /* Time to wait (in ms) to help mask hand jittering + /* Time to wait (in ms) to help mask hand jittering * when pressing the stylus buttons. */ #define AIPTEK_JITTER_DELAY_DEFAULT 50 @@ -324,7 +324,6 @@ struct aiptek { struct aiptek_settings curSetting; /* tablet's current programmable */ struct aiptek_settings newSetting; /* ... and new param settings */ unsigned int ifnum; /* interface number for IO */ - int openCount; /* module use counter */ int diagnostic; /* tablet diagnostic codes */ unsigned long eventCount; /* event count */ int inDelay; /* jitter: in jitter delay? */ @@ -791,7 +790,7 @@ exit: * specific Aiptek model numbers, because there has been overlaps, * use, and reuse of id's in existing models. Certain models have * been known to use more than one ID, indicative perhaps of - * manufacturing revisions. In any event, we consider these + * manufacturing revisions. In any event, we consider these * IDs to not be model-specific nor unique. */ static const struct usb_device_id aiptek_ids[] = { @@ -814,15 +813,9 @@ static int aiptek_open(struct input_dev *inputdev) { struct aiptek *aiptek = inputdev->private; - if (aiptek->openCount++ > 0) { - return 0; - } - aiptek->urb->dev = aiptek->usbdev; - if (usb_submit_urb(aiptek->urb, GFP_KERNEL) != 0) { - aiptek->openCount--; + if (usb_submit_urb(aiptek->urb, GFP_KERNEL) != 0) return -EIO; - } return 0; } @@ -834,13 +827,11 @@ static void aiptek_close(struct input_dev *inputdev) { struct aiptek *aiptek = inputdev->private; - if (--aiptek->openCount == 0) { - usb_kill_urb(aiptek->urb); - } + usb_kill_urb(aiptek->urb); } /*********************************************************************** - * aiptek_set_report and aiptek_get_report() are borrowed from Linux 2.4.x, + * aiptek_set_report and aiptek_get_report() are borrowed from Linux 2.4.x, * where they were known as usb_set_report and usb_get_report. */ static int @@ -2252,7 +2243,6 @@ static void aiptek_disconnect(struct usb_interface *intf) AIPTEK_PACKET_LENGTH, aiptek->data, aiptek->data_dma); kfree(aiptek); - aiptek = NULL; } } |