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path: root/drivers/usb/input/usbtouchscreen.c
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Diffstat (limited to 'drivers/usb/input/usbtouchscreen.c')
-rw-r--r--drivers/usb/input/usbtouchscreen.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/usb/input/usbtouchscreen.c b/drivers/usb/input/usbtouchscreen.c
index 923e22db18d4..f26c1cd1129f 100644
--- a/drivers/usb/input/usbtouchscreen.c
+++ b/drivers/usb/input/usbtouchscreen.c
@@ -61,7 +61,7 @@ struct usbtouch_device_info {
61 int rept_size; 61 int rept_size;
62 int flags; 62 int flags;
63 63
64 void (*process_pkt) (struct usbtouch_usb *usbtouch, struct pt_regs *regs, unsigned char *pkt, int len); 64 void (*process_pkt) (struct usbtouch_usb *usbtouch, unsigned char *pkt, int len);
65 int (*get_pkt_len) (unsigned char *pkt, int len); 65 int (*get_pkt_len) (unsigned char *pkt, int len);
66 int (*read_data) (unsigned char *pkt, int *x, int *y, int *touch, int *press); 66 int (*read_data) (unsigned char *pkt, int *x, int *y, int *touch, int *press);
67 int (*init) (struct usbtouch_usb *usbtouch); 67 int (*init) (struct usbtouch_usb *usbtouch);
@@ -91,7 +91,6 @@ struct usbtouch_usb {
91 91
92#ifdef MULTI_PACKET 92#ifdef MULTI_PACKET
93static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, 93static void usbtouch_process_multi(struct usbtouch_usb *usbtouch,
94 struct pt_regs *regs,
95 unsigned char *pkt, int len); 94 unsigned char *pkt, int len);
96#endif 95#endif
97 96
@@ -397,7 +396,7 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
397 * Generic Part 396 * Generic Part
398 */ 397 */
399static void usbtouch_process_pkt(struct usbtouch_usb *usbtouch, 398static void usbtouch_process_pkt(struct usbtouch_usb *usbtouch,
400 struct pt_regs *regs, unsigned char *pkt, int len) 399 unsigned char *pkt, int len)
401{ 400{
402 int x, y, touch, press; 401 int x, y, touch, press;
403 struct usbtouch_device_info *type = usbtouch->type; 402 struct usbtouch_device_info *type = usbtouch->type;
@@ -405,7 +404,6 @@ static void usbtouch_process_pkt(struct usbtouch_usb *usbtouch,
405 if (!type->read_data(pkt, &x, &y, &touch, &press)) 404 if (!type->read_data(pkt, &x, &y, &touch, &press))
406 return; 405 return;
407 406
408 input_regs(usbtouch->input, regs);
409 input_report_key(usbtouch->input, BTN_TOUCH, touch); 407 input_report_key(usbtouch->input, BTN_TOUCH, touch);
410 408
411 if (swap_xy) { 409 if (swap_xy) {
@@ -423,7 +421,6 @@ static void usbtouch_process_pkt(struct usbtouch_usb *usbtouch,
423 421
424#ifdef MULTI_PACKET 422#ifdef MULTI_PACKET
425static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, 423static void usbtouch_process_multi(struct usbtouch_usb *usbtouch,
426 struct pt_regs *regs,
427 unsigned char *pkt, int len) 424 unsigned char *pkt, int len)
428{ 425{
429 unsigned char *buffer; 426 unsigned char *buffer;
@@ -460,7 +457,7 @@ static void usbtouch_process_multi(struct usbtouch_usb *usbtouch,
460 if (usbtouch->buf_len + tmp >= usbtouch->type->rept_size) 457 if (usbtouch->buf_len + tmp >= usbtouch->type->rept_size)
461 goto out_flush_buf; 458 goto out_flush_buf;
462 memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, tmp); 459 memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, tmp);
463 usbtouch_process_pkt(usbtouch, regs, usbtouch->buffer, pkt_len); 460 usbtouch_process_pkt(usbtouch, usbtouch->buffer, pkt_len);
464 461
465 buffer = pkt + tmp; 462 buffer = pkt + tmp;
466 buf_len = len - tmp; 463 buf_len = len - tmp;
@@ -481,7 +478,7 @@ static void usbtouch_process_multi(struct usbtouch_usb *usbtouch,
481 478
482 /* full packet: process */ 479 /* full packet: process */
483 if (likely((pkt_len > 0) && (pkt_len <= buf_len - pos))) { 480 if (likely((pkt_len > 0) && (pkt_len <= buf_len - pos))) {
484 usbtouch_process_pkt(usbtouch, regs, buffer + pos, pkt_len); 481 usbtouch_process_pkt(usbtouch, buffer + pos, pkt_len);
485 } else { 482 } else {
486 /* incomplete packet: save in buffer */ 483 /* incomplete packet: save in buffer */
487 memcpy(usbtouch->buffer, buffer + pos, buf_len - pos); 484 memcpy(usbtouch->buffer, buffer + pos, buf_len - pos);
@@ -498,7 +495,7 @@ out_flush_buf:
498#endif 495#endif
499 496
500 497
501static void usbtouch_irq(struct urb *urb, struct pt_regs *regs) 498static void usbtouch_irq(struct urb *urb)
502{ 499{
503 struct usbtouch_usb *usbtouch = urb->context; 500 struct usbtouch_usb *usbtouch = urb->context;
504 int retval; 501 int retval;
@@ -525,7 +522,7 @@ static void usbtouch_irq(struct urb *urb, struct pt_regs *regs)
525 goto exit; 522 goto exit;
526 } 523 }
527 524
528 usbtouch->type->process_pkt(usbtouch, regs, usbtouch->data, urb->actual_length); 525 usbtouch->type->process_pkt(usbtouch, usbtouch->data, urb->actual_length);
529 526
530exit: 527exit:
531 retval = usb_submit_urb(urb, GFP_ATOMIC); 528 retval = usb_submit_urb(urb, GFP_ATOMIC);