aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/input
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/evdev.c10
-rw-r--r--drivers/input/input.c37
-rw-r--r--drivers/input/joydev.c69
-rw-r--r--drivers/input/mousedev.c42
-rw-r--r--drivers/input/tsdev.c22
5 files changed, 119 insertions, 61 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 5f561fce32d8..a29d5ceb00cf 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -78,14 +78,19 @@ static int evdev_fasync(int fd, struct file *file, int on)
78{ 78{
79 int retval; 79 int retval;
80 struct evdev_list *list = file->private_data; 80 struct evdev_list *list = file->private_data;
81
81 retval = fasync_helper(fd, file, on, &list->fasync); 82 retval = fasync_helper(fd, file, on, &list->fasync);
83
82 return retval < 0 ? retval : 0; 84 return retval < 0 ? retval : 0;
83} 85}
84 86
85static int evdev_flush(struct file * file, fl_owner_t id) 87static int evdev_flush(struct file *file, fl_owner_t id)
86{ 88{
87 struct evdev_list *list = file->private_data; 89 struct evdev_list *list = file->private_data;
88 if (!list->evdev->exist) return -ENODEV; 90
91 if (!list->evdev->exist)
92 return -ENODEV;
93
89 return input_flush_device(&list->evdev->handle, file); 94 return input_flush_device(&list->evdev->handle, file);
90} 95}
91 96
@@ -300,6 +305,7 @@ static ssize_t evdev_read(struct file * file, char __user * buffer, size_t count
300static unsigned int evdev_poll(struct file *file, poll_table *wait) 305static unsigned int evdev_poll(struct file *file, poll_table *wait)
301{ 306{
302 struct evdev_list *list = file->private_data; 307 struct evdev_list *list = file->private_data;
308
303 poll_wait(file, &list->evdev->wait, wait); 309 poll_wait(file, &list->evdev->wait, wait);
304 return ((list->head == list->tail) ? 0 : (POLLIN | POLLRDNORM)) | 310 return ((list->head == list->tail) ? 0 : (POLLIN | POLLRDNORM)) |
305 (list->evdev->exist ? 0 : (POLLHUP | POLLERR)); 311 (list->evdev->exist ? 0 : (POLLHUP | POLLERR));
diff --git a/drivers/input/input.c b/drivers/input/input.c
index d3cdb139e962..7570a3f52f18 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -64,11 +64,13 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
64 case EV_SYN: 64 case EV_SYN:
65 switch (code) { 65 switch (code) {
66 case SYN_CONFIG: 66 case SYN_CONFIG:
67 if (dev->event) dev->event(dev, type, code, value); 67 if (dev->event)
68 dev->event(dev, type, code, value);
68 break; 69 break;
69 70
70 case SYN_REPORT: 71 case SYN_REPORT:
71 if (dev->sync) return; 72 if (dev->sync)
73 return;
72 dev->sync = 1; 74 dev->sync = 1;
73 break; 75 break;
74 } 76 }
@@ -137,7 +139,8 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
137 if (code > MSC_MAX || !test_bit(code, dev->mscbit)) 139 if (code > MSC_MAX || !test_bit(code, dev->mscbit))
138 return; 140 return;
139 141
140 if (dev->event) dev->event(dev, type, code, value); 142 if (dev->event)
143 dev->event(dev, type, code, value);
141 144
142 break; 145 break;
143 146
@@ -147,7 +150,9 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
147 return; 150 return;
148 151
149 change_bit(code, dev->led); 152 change_bit(code, dev->led);
150 if (dev->event) dev->event(dev, type, code, value); 153
154 if (dev->event)
155 dev->event(dev, type, code, value);
151 156
152 break; 157 break;
153 158
@@ -159,21 +164,25 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
159 if (!!test_bit(code, dev->snd) != !!value) 164 if (!!test_bit(code, dev->snd) != !!value)
160 change_bit(code, dev->snd); 165 change_bit(code, dev->snd);
161 166
162 if (dev->event) dev->event(dev, type, code, value); 167 if (dev->event)
168 dev->event(dev, type, code, value);
163 169
164 break; 170 break;
165 171
166 case EV_REP: 172 case EV_REP:
167 173
168 if (code > REP_MAX || value < 0 || dev->rep[code] == value) return; 174 if (code > REP_MAX || value < 0 || dev->rep[code] == value)
175 return;
169 176
170 dev->rep[code] = value; 177 dev->rep[code] = value;
171 if (dev->event) dev->event(dev, type, code, value); 178 if (dev->event)
179 dev->event(dev, type, code, value);
172 180
173 break; 181 break;
174 182
175 case EV_FF: 183 case EV_FF:
176 if (dev->event) dev->event(dev, type, code, value); 184 if (dev->event)
185 dev->event(dev, type, code, value);
177 break; 186 break;
178 } 187 }
179 188
@@ -336,9 +345,11 @@ static inline void input_wakeup_procfs_readers(void)
336static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait) 345static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait)
337{ 346{
338 int state = input_devices_state; 347 int state = input_devices_state;
348
339 poll_wait(file, &input_devices_poll_wait, wait); 349 poll_wait(file, &input_devices_poll_wait, wait);
340 if (state != input_devices_state) 350 if (state != input_devices_state)
341 return POLLIN | POLLRDNORM; 351 return POLLIN | POLLRDNORM;
352
342 return 0; 353 return 0;
343} 354}
344 355
@@ -972,9 +983,10 @@ int input_register_device(struct input_dev *dev)
972 983
973void input_unregister_device(struct input_dev *dev) 984void input_unregister_device(struct input_dev *dev)
974{ 985{
975 struct list_head * node, * next; 986 struct list_head *node, *next;
976 987
977 if (!dev) return; 988 if (!dev)
989 return;
978 990
979 del_timer_sync(&dev->timer); 991 del_timer_sync(&dev->timer);
980 992
@@ -1005,7 +1017,8 @@ void input_register_handler(struct input_handler *handler)
1005 struct input_handle *handle; 1017 struct input_handle *handle;
1006 struct input_device_id *id; 1018 struct input_device_id *id;
1007 1019
1008 if (!handler) return; 1020 if (!handler)
1021 return;
1009 1022
1010 INIT_LIST_HEAD(&handler->h_list); 1023 INIT_LIST_HEAD(&handler->h_list);
1011 1024
@@ -1025,7 +1038,7 @@ void input_register_handler(struct input_handler *handler)
1025 1038
1026void input_unregister_handler(struct input_handler *handler) 1039void input_unregister_handler(struct input_handler *handler)
1027{ 1040{
1028 struct list_head * node, * next; 1041 struct list_head *node, *next;
1029 1042
1030 list_for_each_safe(node, next, &handler->h_list) { 1043 list_for_each_safe(node, next, &handler->h_list) {
1031 struct input_handle * handle = to_handle_h(node); 1044 struct input_handle * handle = to_handle_h(node);
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 949bdcef8c2b..d67157513bf7 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -81,10 +81,7 @@ static int joydev_correct(int value, struct js_corr *corr)
81 return 0; 81 return 0;
82 } 82 }
83 83
84 if (value < -32767) return -32767; 84 return value < -32767 ? -32767 : (value > 32767 ? 32767 : value);
85 if (value > 32767) return 32767;
86
87 return value;
88} 85}
89 86
90static void joydev_event(struct input_handle *handle, unsigned int type, unsigned int code, int value) 87static void joydev_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
@@ -96,7 +93,8 @@ static void joydev_event(struct input_handle *handle, unsigned int type, unsigne
96 switch (type) { 93 switch (type) {
97 94
98 case EV_KEY: 95 case EV_KEY:
99 if (code < BTN_MISC || value == 2) return; 96 if (code < BTN_MISC || value == 2)
97 return;
100 event.type = JS_EVENT_BUTTON; 98 event.type = JS_EVENT_BUTTON;
101 event.number = joydev->keymap[code - BTN_MISC]; 99 event.number = joydev->keymap[code - BTN_MISC];
102 event.value = value; 100 event.value = value;
@@ -106,7 +104,8 @@ static void joydev_event(struct input_handle *handle, unsigned int type, unsigne
106 event.type = JS_EVENT_AXIS; 104 event.type = JS_EVENT_AXIS;
107 event.number = joydev->absmap[code]; 105 event.number = joydev->absmap[code];
108 event.value = joydev_correct(value, joydev->corr + event.number); 106 event.value = joydev_correct(value, joydev->corr + event.number);
109 if (event.value == joydev->abs[event.number]) return; 107 if (event.value == joydev->abs[event.number])
108 return;
110 joydev->abs[event.number] = event.value; 109 joydev->abs[event.number] = event.value;
111 break; 110 break;
112 111
@@ -134,7 +133,9 @@ static int joydev_fasync(int fd, struct file *file, int on)
134{ 133{
135 int retval; 134 int retval;
136 struct joydev_list *list = file->private_data; 135 struct joydev_list *list = file->private_data;
136
137 retval = fasync_helper(fd, file, on, &list->fasync); 137 retval = fasync_helper(fd, file, on, &list->fasync);
138
138 return retval < 0 ? retval : 0; 139 return retval < 0 ? retval : 0;
139} 140}
140 141
@@ -222,12 +223,12 @@ static ssize_t joydev_read(struct file *file, char __user *buf, size_t count, lo
222 return sizeof(struct JS_DATA_TYPE); 223 return sizeof(struct JS_DATA_TYPE);
223 } 224 }
224 225
225 if (list->startup == joydev->nabs + joydev->nkey 226 if (list->startup == joydev->nabs + joydev->nkey &&
226 && list->head == list->tail && (file->f_flags & O_NONBLOCK)) 227 list->head == list->tail && (file->f_flags & O_NONBLOCK))
227 return -EAGAIN; 228 return -EAGAIN;
228 229
229 retval = wait_event_interruptible(list->joydev->wait, 230 retval = wait_event_interruptible(list->joydev->wait,
230 !list->joydev->exist || 231 !list->joydev->exist ||
231 list->startup < joydev->nabs + joydev->nkey || 232 list->startup < joydev->nabs + joydev->nkey ||
232 list->head != list->tail); 233 list->head != list->tail);
233 234
@@ -276,8 +277,9 @@ static ssize_t joydev_read(struct file *file, char __user *buf, size_t count, lo
276static unsigned int joydev_poll(struct file *file, poll_table *wait) 277static unsigned int joydev_poll(struct file *file, poll_table *wait)
277{ 278{
278 struct joydev_list *list = file->private_data; 279 struct joydev_list *list = file->private_data;
280
279 poll_wait(file, &list->joydev->wait, wait); 281 poll_wait(file, &list->joydev->wait, wait);
280 return ((list->head != list->tail || list->startup < list->joydev->nabs + list->joydev->nkey) ? 282 return ((list->head != list->tail || list->startup < list->joydev->nabs + list->joydev->nkey) ?
281 (POLLIN | POLLRDNORM) : 0) | (list->joydev->exist ? 0 : (POLLHUP | POLLERR)); 283 (POLLIN | POLLRDNORM) : 0) | (list->joydev->exist ? 0 : (POLLHUP | POLLERR));
282} 284}
283 285
@@ -291,20 +293,26 @@ static int joydev_ioctl_common(struct joydev *joydev, unsigned int cmd, void __u
291 case JS_SET_CAL: 293 case JS_SET_CAL:
292 return copy_from_user(&joydev->glue.JS_CORR, argp, 294 return copy_from_user(&joydev->glue.JS_CORR, argp,
293 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0; 295 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0;
296
294 case JS_GET_CAL: 297 case JS_GET_CAL:
295 return copy_to_user(argp, &joydev->glue.JS_CORR, 298 return copy_to_user(argp, &joydev->glue.JS_CORR,
296 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0; 299 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0;
300
297 case JS_SET_TIMEOUT: 301 case JS_SET_TIMEOUT:
298 return get_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp); 302 return get_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp);
303
299 case JS_GET_TIMEOUT: 304 case JS_GET_TIMEOUT:
300 return put_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp); 305 return put_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp);
301 306
302 case JSIOCGVERSION: 307 case JSIOCGVERSION:
303 return put_user(JS_VERSION, (__u32 __user *) argp); 308 return put_user(JS_VERSION, (__u32 __user *) argp);
309
304 case JSIOCGAXES: 310 case JSIOCGAXES:
305 return put_user(joydev->nabs, (__u8 __user *) argp); 311 return put_user(joydev->nabs, (__u8 __user *) argp);
312
306 case JSIOCGBUTTONS: 313 case JSIOCGBUTTONS:
307 return put_user(joydev->nkey, (__u8 __user *) argp); 314 return put_user(joydev->nkey, (__u8 __user *) argp);
315
308 case JSIOCSCORR: 316 case JSIOCSCORR:
309 if (copy_from_user(joydev->corr, argp, 317 if (copy_from_user(joydev->corr, argp,
310 sizeof(joydev->corr[0]) * joydev->nabs)) 318 sizeof(joydev->corr[0]) * joydev->nabs))
@@ -314,38 +322,49 @@ static int joydev_ioctl_common(struct joydev *joydev, unsigned int cmd, void __u
314 joydev->abs[i] = joydev_correct(dev->abs[j], joydev->corr + i); 322 joydev->abs[i] = joydev_correct(dev->abs[j], joydev->corr + i);
315 } 323 }
316 return 0; 324 return 0;
325
317 case JSIOCGCORR: 326 case JSIOCGCORR:
318 return copy_to_user(argp, joydev->corr, 327 return copy_to_user(argp, joydev->corr,
319 sizeof(joydev->corr[0]) * joydev->nabs) ? -EFAULT : 0; 328 sizeof(joydev->corr[0]) * joydev->nabs) ? -EFAULT : 0;
329
320 case JSIOCSAXMAP: 330 case JSIOCSAXMAP:
321 if (copy_from_user(joydev->abspam, argp, sizeof(__u8) * (ABS_MAX + 1))) 331 if (copy_from_user(joydev->abspam, argp, sizeof(__u8) * (ABS_MAX + 1)))
322 return -EFAULT; 332 return -EFAULT;
323 for (i = 0; i < joydev->nabs; i++) { 333 for (i = 0; i < joydev->nabs; i++) {
324 if (joydev->abspam[i] > ABS_MAX) return -EINVAL; 334 if (joydev->abspam[i] > ABS_MAX)
335 return -EINVAL;
325 joydev->absmap[joydev->abspam[i]] = i; 336 joydev->absmap[joydev->abspam[i]] = i;
326 } 337 }
327 return 0; 338 return 0;
339
328 case JSIOCGAXMAP: 340 case JSIOCGAXMAP:
329 return copy_to_user(argp, joydev->abspam, 341 return copy_to_user(argp, joydev->abspam,
330 sizeof(__u8) * (ABS_MAX + 1)) ? -EFAULT : 0; 342 sizeof(__u8) * (ABS_MAX + 1)) ? -EFAULT : 0;
343
331 case JSIOCSBTNMAP: 344 case JSIOCSBTNMAP:
332 if (copy_from_user(joydev->keypam, argp, sizeof(__u16) * (KEY_MAX - BTN_MISC + 1))) 345 if (copy_from_user(joydev->keypam, argp, sizeof(__u16) * (KEY_MAX - BTN_MISC + 1)))
333 return -EFAULT; 346 return -EFAULT;
334 for (i = 0; i < joydev->nkey; i++) { 347 for (i = 0; i < joydev->nkey; i++) {
335 if (joydev->keypam[i] > KEY_MAX || joydev->keypam[i] < BTN_MISC) return -EINVAL; 348 if (joydev->keypam[i] > KEY_MAX || joydev->keypam[i] < BTN_MISC)
349 return -EINVAL;
336 joydev->keymap[joydev->keypam[i] - BTN_MISC] = i; 350 joydev->keymap[joydev->keypam[i] - BTN_MISC] = i;
337 } 351 }
338 return 0; 352 return 0;
353
339 case JSIOCGBTNMAP: 354 case JSIOCGBTNMAP:
340 return copy_to_user(argp, joydev->keypam, 355 return copy_to_user(argp, joydev->keypam,
341 sizeof(__u16) * (KEY_MAX - BTN_MISC + 1)) ? -EFAULT : 0; 356 sizeof(__u16) * (KEY_MAX - BTN_MISC + 1)) ? -EFAULT : 0;
357
342 default: 358 default:
343 if ((cmd & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT)) == JSIOCGNAME(0)) { 359 if ((cmd & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT)) == JSIOCGNAME(0)) {
344 int len; 360 int len;
345 if (!dev->name) return 0; 361 if (!dev->name)
362 return 0;
346 len = strlen(dev->name) + 1; 363 len = strlen(dev->name) + 1;
347 if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); 364 if (len > _IOC_SIZE(cmd))
348 if (copy_to_user(argp, dev->name, len)) return -EFAULT; 365 len = _IOC_SIZE(cmd);
366 if (copy_to_user(argp, dev->name, len))
367 return -EFAULT;
349 return len; 368 return len;
350 } 369 }
351 } 370 }
@@ -362,7 +381,9 @@ static long joydev_compat_ioctl(struct file *file, unsigned int cmd, unsigned lo
362 struct JS_DATA_SAVE_TYPE_32 ds32; 381 struct JS_DATA_SAVE_TYPE_32 ds32;
363 int err; 382 int err;
364 383
365 if (!joydev->exist) return -ENODEV; 384 if (!joydev->exist)
385 return -ENODEV;
386
366 switch(cmd) { 387 switch(cmd) {
367 case JS_SET_TIMELIMIT: 388 case JS_SET_TIMELIMIT:
368 err = get_user(tmp32, (s32 __user *) arg); 389 err = get_user(tmp32, (s32 __user *) arg);
@@ -395,8 +416,7 @@ static long joydev_compat_ioctl(struct file *file, unsigned int cmd, unsigned lo
395 ds32.JS_SAVE = joydev->glue.JS_SAVE; 416 ds32.JS_SAVE = joydev->glue.JS_SAVE;
396 ds32.JS_CORR = joydev->glue.JS_CORR; 417 ds32.JS_CORR = joydev->glue.JS_CORR;
397 418
398 err = copy_to_user(argp, &ds32, 419 err = copy_to_user(argp, &ds32, sizeof(ds32)) ? -EFAULT : 0;
399 sizeof(ds32)) ? -EFAULT : 0;
400 break; 420 break;
401 421
402 default: 422 default:
@@ -412,7 +432,8 @@ static int joydev_ioctl(struct inode *inode, struct file *file, unsigned int cmd
412 struct joydev *joydev = list->joydev; 432 struct joydev *joydev = list->joydev;
413 void __user *argp = (void __user *)arg; 433 void __user *argp = (void __user *)arg;
414 434
415 if (!joydev->exist) return -ENODEV; 435 if (!joydev->exist)
436 return -ENODEV;
416 437
417 switch(cmd) { 438 switch(cmd) {
418 case JS_SET_TIMELIMIT: 439 case JS_SET_TIMELIMIT:
@@ -546,8 +567,8 @@ static struct input_device_id joydev_blacklist[] = {
546 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT, 567 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
547 .evbit = { BIT(EV_KEY) }, 568 .evbit = { BIT(EV_KEY) },
548 .keybit = { [LONG(BTN_TOUCH)] = BIT(BTN_TOUCH) }, 569 .keybit = { [LONG(BTN_TOUCH)] = BIT(BTN_TOUCH) },
549 }, /* Avoid itouchpads, touchscreens and tablets */ 570 }, /* Avoid itouchpads, touchscreens and tablets */
550 { }, /* Terminating entry */ 571 { } /* Terminating entry */
551}; 572};
552 573
553static struct input_device_id joydev_ids[] = { 574static struct input_device_id joydev_ids[] = {
@@ -566,7 +587,7 @@ static struct input_device_id joydev_ids[] = {
566 .evbit = { BIT(EV_ABS) }, 587 .evbit = { BIT(EV_ABS) },
567 .absbit = { BIT(ABS_THROTTLE) }, 588 .absbit = { BIT(ABS_THROTTLE) },
568 }, 589 },
569 { }, /* Terminating entry */ 590 { } /* Terminating entry */
570}; 591};
571 592
572MODULE_DEVICE_TABLE(input, joydev_ids); 593MODULE_DEVICE_TABLE(input, joydev_ids);
@@ -579,7 +600,7 @@ static struct input_handler joydev_handler = {
579 .minor = JOYDEV_MINOR_BASE, 600 .minor = JOYDEV_MINOR_BASE,
580 .name = "joydev", 601 .name = "joydev",
581 .id_table = joydev_ids, 602 .id_table = joydev_ids,
582 .blacklist = joydev_blacklist, 603 .blacklist = joydev_blacklist,
583}; 604};
584 605
585static int __init joydev_init(void) 606static int __init joydev_init(void)
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index b685a507955d..eb721b11ff37 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -123,7 +123,9 @@ static void mousedev_touchpad_event(struct input_dev *dev, struct mousedev *mous
123 123
124 if (mousedev->touch) { 124 if (mousedev->touch) {
125 size = dev->absmax[ABS_X] - dev->absmin[ABS_X]; 125 size = dev->absmax[ABS_X] - dev->absmin[ABS_X];
126 if (size == 0) size = 256 * 2; 126 if (size == 0)
127 size = 256 * 2;
128
127 switch (code) { 129 switch (code) {
128 case ABS_X: 130 case ABS_X:
129 fx(0) = value; 131 fx(0) = value;
@@ -155,18 +157,24 @@ static void mousedev_abs_event(struct input_dev *dev, struct mousedev *mousedev,
155 switch (code) { 157 switch (code) {
156 case ABS_X: 158 case ABS_X:
157 size = dev->absmax[ABS_X] - dev->absmin[ABS_X]; 159 size = dev->absmax[ABS_X] - dev->absmin[ABS_X];
158 if (size == 0) size = xres ? : 1; 160 if (size == 0)
159 if (value > dev->absmax[ABS_X]) value = dev->absmax[ABS_X]; 161 size = xres ? : 1;
160 if (value < dev->absmin[ABS_X]) value = dev->absmin[ABS_X]; 162 if (value > dev->absmax[ABS_X])
163 value = dev->absmax[ABS_X];
164 if (value < dev->absmin[ABS_X])
165 value = dev->absmin[ABS_X];
161 mousedev->packet.x = ((value - dev->absmin[ABS_X]) * xres) / size; 166 mousedev->packet.x = ((value - dev->absmin[ABS_X]) * xres) / size;
162 mousedev->packet.abs_event = 1; 167 mousedev->packet.abs_event = 1;
163 break; 168 break;
164 169
165 case ABS_Y: 170 case ABS_Y:
166 size = dev->absmax[ABS_Y] - dev->absmin[ABS_Y]; 171 size = dev->absmax[ABS_Y] - dev->absmin[ABS_Y];
167 if (size == 0) size = yres ? : 1; 172 if (size == 0)
168 if (value > dev->absmax[ABS_Y]) value = dev->absmax[ABS_Y]; 173 size = yres ? : 1;
169 if (value < dev->absmin[ABS_Y]) value = dev->absmin[ABS_Y]; 174 if (value > dev->absmax[ABS_Y])
175 value = dev->absmax[ABS_Y];
176 if (value < dev->absmin[ABS_Y])
177 value = dev->absmin[ABS_Y];
170 mousedev->packet.y = yres - ((value - dev->absmin[ABS_Y]) * yres) / size; 178 mousedev->packet.y = yres - ((value - dev->absmin[ABS_Y]) * yres) / size;
171 mousedev->packet.abs_event = 1; 179 mousedev->packet.abs_event = 1;
172 break; 180 break;
@@ -202,7 +210,7 @@ static void mousedev_key_event(struct mousedev *mousedev, unsigned int code, int
202 case BTN_SIDE: index = 3; break; 210 case BTN_SIDE: index = 3; break;
203 case BTN_4: 211 case BTN_4:
204 case BTN_EXTRA: index = 4; break; 212 case BTN_EXTRA: index = 4; break;
205 default: return; 213 default: return;
206 } 214 }
207 215
208 if (value) { 216 if (value) {
@@ -285,10 +293,9 @@ static void mousedev_touchpad_touch(struct mousedev *mousedev, int value)
285 mousedev->touch = mousedev->pkt_count = 0; 293 mousedev->touch = mousedev->pkt_count = 0;
286 mousedev->frac_dx = 0; 294 mousedev->frac_dx = 0;
287 mousedev->frac_dy = 0; 295 mousedev->frac_dy = 0;
288 } 296
289 else 297 } else if (!mousedev->touch)
290 if (!mousedev->touch) 298 mousedev->touch = jiffies;
291 mousedev->touch = jiffies;
292} 299}
293 300
294static void mousedev_event(struct input_handle *handle, unsigned int type, unsigned int code, int value) 301static void mousedev_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
@@ -327,7 +334,7 @@ static void mousedev_event(struct input_handle *handle, unsigned int type, unsig
327 mousedev->pkt_count++; 334 mousedev->pkt_count++;
328 /* Input system eats duplicate events, but we need all of them 335 /* Input system eats duplicate events, but we need all of them
329 * to do correct averaging so apply present one forward 336 * to do correct averaging so apply present one forward
330 */ 337 */
331 fx(0) = fx(1); 338 fx(0) = fx(1);
332 fy(0) = fy(1); 339 fy(0) = fy(1);
333 } 340 }
@@ -346,7 +353,9 @@ static int mousedev_fasync(int fd, struct file *file, int on)
346{ 353{
347 int retval; 354 int retval;
348 struct mousedev_list *list = file->private_data; 355 struct mousedev_list *list = file->private_data;
356
349 retval = fasync_helper(fd, file, on, &list->fasync); 357 retval = fasync_helper(fd, file, on, &list->fasync);
358
350 return retval < 0 ? retval : 0; 359 return retval < 0 ? retval : 0;
351} 360}
352 361
@@ -507,14 +516,16 @@ static ssize_t mousedev_write(struct file * file, const char __user * buffer, si
507 list->imexseq = 0; 516 list->imexseq = 0;
508 list->mode = MOUSEDEV_EMUL_EXPS; 517 list->mode = MOUSEDEV_EMUL_EXPS;
509 } 518 }
510 } else list->imexseq = 0; 519 } else
520 list->imexseq = 0;
511 521
512 if (c == mousedev_imps_seq[list->impsseq]) { 522 if (c == mousedev_imps_seq[list->impsseq]) {
513 if (++list->impsseq == MOUSEDEV_SEQ_LEN) { 523 if (++list->impsseq == MOUSEDEV_SEQ_LEN) {
514 list->impsseq = 0; 524 list->impsseq = 0;
515 list->mode = MOUSEDEV_EMUL_IMPS; 525 list->mode = MOUSEDEV_EMUL_IMPS;
516 } 526 }
517 } else list->impsseq = 0; 527 } else
528 list->impsseq = 0;
518 529
519 list->ps2[0] = 0xfa; 530 list->ps2[0] = 0xfa;
520 531
@@ -598,6 +609,7 @@ static ssize_t mousedev_read(struct file * file, char __user * buffer, size_t co
598static unsigned int mousedev_poll(struct file *file, poll_table *wait) 609static unsigned int mousedev_poll(struct file *file, poll_table *wait)
599{ 610{
600 struct mousedev_list *list = file->private_data; 611 struct mousedev_list *list = file->private_data;
612
601 poll_wait(file, &list->mousedev->wait, wait); 613 poll_wait(file, &list->mousedev->wait, wait);
602 return ((list->ready || list->buffer) ? (POLLIN | POLLRDNORM) : 0) | 614 return ((list->ready || list->buffer) ? (POLLIN | POLLRDNORM) : 0) |
603 (list->mousedev->exist ? 0 : (POLLHUP | POLLERR)); 615 (list->mousedev->exist ? 0 : (POLLHUP | POLLERR));
diff --git a/drivers/input/tsdev.c b/drivers/input/tsdev.c
index d678d144bbf8..5f9ecad2ca75 100644
--- a/drivers/input/tsdev.c
+++ b/drivers/input/tsdev.c
@@ -35,7 +35,7 @@
35 * e-mail - mail your message to <jsimmons@infradead.org>. 35 * e-mail - mail your message to <jsimmons@infradead.org>.
36 */ 36 */
37 37
38#define TSDEV_MINOR_BASE 128 38#define TSDEV_MINOR_BASE 128
39#define TSDEV_MINORS 32 39#define TSDEV_MINORS 32
40/* First 16 devices are h3600_ts compatible; second 16 are h3600_tsraw */ 40/* First 16 devices are h3600_ts compatible; second 16 are h3600_tsraw */
41#define TSDEV_MINOR_MASK 15 41#define TSDEV_MINOR_MASK 15
@@ -230,6 +230,7 @@ static ssize_t tsdev_read(struct file *file, char __user *buffer, size_t count,
230static unsigned int tsdev_poll(struct file *file, poll_table * wait) 230static unsigned int tsdev_poll(struct file *file, poll_table * wait)
231{ 231{
232 struct tsdev_list *list = file->private_data; 232 struct tsdev_list *list = file->private_data;
233
233 poll_wait(file, &list->tsdev->wait, wait); 234 poll_wait(file, &list->tsdev->wait, wait);
234 return ((list->head == list->tail) ? 0 : (POLLIN | POLLRDNORM)) | 235 return ((list->head == list->tail) ? 0 : (POLLIN | POLLRDNORM)) |
235 (list->tsdev->exist ? 0 : (POLLHUP | POLLERR)); 236 (list->tsdev->exist ? 0 : (POLLHUP | POLLERR));
@@ -248,11 +249,13 @@ static int tsdev_ioctl(struct inode *inode, struct file *file,
248 sizeof (struct ts_calibration))) 249 sizeof (struct ts_calibration)))
249 retval = -EFAULT; 250 retval = -EFAULT;
250 break; 251 break;
252
251 case TS_SET_CAL: 253 case TS_SET_CAL:
252 if (copy_from_user (&tsdev->cal, (void __user *)arg, 254 if (copy_from_user (&tsdev->cal, (void __user *)arg,
253 sizeof (struct ts_calibration))) 255 sizeof (struct ts_calibration)))
254 retval = -EFAULT; 256 retval = -EFAULT;
255 break; 257 break;
258
256 default: 259 default:
257 retval = -EINVAL; 260 retval = -EINVAL;
258 break; 261 break;
@@ -284,9 +287,11 @@ static void tsdev_event(struct input_handle *handle, unsigned int type,
284 case ABS_X: 287 case ABS_X:
285 tsdev->x = value; 288 tsdev->x = value;
286 break; 289 break;
290
287 case ABS_Y: 291 case ABS_Y:
288 tsdev->y = value; 292 tsdev->y = value;
289 break; 293 break;
294
290 case ABS_PRESSURE: 295 case ABS_PRESSURE:
291 if (value > handle->dev->absmax[ABS_PRESSURE]) 296 if (value > handle->dev->absmax[ABS_PRESSURE])
292 value = handle->dev->absmax[ABS_PRESSURE]; 297 value = handle->dev->absmax[ABS_PRESSURE];
@@ -307,6 +312,7 @@ static void tsdev_event(struct input_handle *handle, unsigned int type,
307 else if (tsdev->x > xres) 312 else if (tsdev->x > xres)
308 tsdev->x = xres; 313 tsdev->x = xres;
309 break; 314 break;
315
310 case REL_Y: 316 case REL_Y:
311 tsdev->y += value; 317 tsdev->y += value;
312 if (tsdev->y < 0) 318 if (tsdev->y < 0)
@@ -323,6 +329,7 @@ static void tsdev_event(struct input_handle *handle, unsigned int type,
323 case 0: 329 case 0:
324 tsdev->pressure = 0; 330 tsdev->pressure = 0;
325 break; 331 break;
332
326 case 1: 333 case 1:
327 if (!tsdev->pressure) 334 if (!tsdev->pressure)
328 tsdev->pressure = 1; 335 tsdev->pressure = 1;
@@ -370,9 +377,8 @@ static struct input_handle *tsdev_connect(struct input_handler *handler,
370 struct class_device *cdev; 377 struct class_device *cdev;
371 int minor, delta; 378 int minor, delta;
372 379
373 for (minor = 0; minor < TSDEV_MINORS/2 && tsdev_table[minor]; 380 for (minor = 0; minor < TSDEV_MINORS / 2 && tsdev_table[minor]; minor++);
374 minor++); 381 if (minor >= TSDEV_MINORS / 2) {
375 if (minor >= TSDEV_MINORS/2) {
376 printk(KERN_ERR 382 printk(KERN_ERR
377 "tsdev: You have way too many touchscreens\n"); 383 "tsdev: You have way too many touchscreens\n");
378 return NULL; 384 return NULL;
@@ -444,22 +450,22 @@ static struct input_device_id tsdev_ids[] = {
444 .evbit = { BIT(EV_KEY) | BIT(EV_REL) }, 450 .evbit = { BIT(EV_KEY) | BIT(EV_REL) },
445 .keybit = { [LONG(BTN_LEFT)] = BIT(BTN_LEFT) }, 451 .keybit = { [LONG(BTN_LEFT)] = BIT(BTN_LEFT) },
446 .relbit = { BIT(REL_X) | BIT(REL_Y) }, 452 .relbit = { BIT(REL_X) | BIT(REL_Y) },
447 },/* A mouse like device, at least one button, two relative axes */ 453 }, /* A mouse like device, at least one button, two relative axes */
448 454
449 { 455 {
450 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT | INPUT_DEVICE_ID_MATCH_ABSBIT, 456 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT | INPUT_DEVICE_ID_MATCH_ABSBIT,
451 .evbit = { BIT(EV_KEY) | BIT(EV_ABS) }, 457 .evbit = { BIT(EV_KEY) | BIT(EV_ABS) },
452 .keybit = { [LONG(BTN_TOUCH)] = BIT(BTN_TOUCH) }, 458 .keybit = { [LONG(BTN_TOUCH)] = BIT(BTN_TOUCH) },
453 .absbit = { BIT(ABS_X) | BIT(ABS_Y) }, 459 .absbit = { BIT(ABS_X) | BIT(ABS_Y) },
454 },/* A tablet like device, at least touch detection, two absolute axes */ 460 }, /* A tablet like device, at least touch detection, two absolute axes */
455 461
456 { 462 {
457 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_ABSBIT, 463 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_ABSBIT,
458 .evbit = { BIT(EV_ABS) }, 464 .evbit = { BIT(EV_ABS) },
459 .absbit = { BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE) }, 465 .absbit = { BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE) },
460 },/* A tablet like device with several gradations of pressure */ 466 }, /* A tablet like device with several gradations of pressure */
461 467
462 {},/* Terminating entry */ 468 {} /* Terminating entry */
463}; 469};
464 470
465MODULE_DEVICE_TABLE(input, tsdev_ids); 471MODULE_DEVICE_TABLE(input, tsdev_ids);