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path: root/drivers/input/mousedev.c
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Diffstat (limited to 'drivers/input/mousedev.c')
-rw-r--r--drivers/input/mousedev.c42
1 files changed, 27 insertions, 15 deletions
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index b685a507955..eb721b11ff3 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
if (mousedev->touch) {
size = dev->absmax[ABS_X] - dev->absmin[ABS_X];
- if (size == 0) size = 256 * 2;
+ if (size == 0)
+ size = 256 * 2;
+
switch (code) {
case ABS_X:
fx(0) = value;
@@ -155,18 +157,24 @@ static void mousedev_abs_event(struct input_dev *dev, struct mousedev *mousedev,
switch (code) {
case ABS_X:
size = dev->absmax[ABS_X] - dev->absmin[ABS_X];
- if (size == 0) size = xres ? : 1;
- if (value > dev->absmax[ABS_X]) value = dev->absmax[ABS_X];
- if (value < dev->absmin[ABS_X]) value = dev->absmin[ABS_X];
+ if (size == 0)
+ size = xres ? : 1;
+ if (value > dev->absmax[ABS_X])
+ value = dev->absmax[ABS_X];
+ if (value < dev->absmin[ABS_X])
+ value = dev->absmin[ABS_X];
mousedev->packet.x = ((value - dev->absmin[ABS_X]) * xres) / size;
mousedev->packet.abs_event = 1;
break;
case ABS_Y:
size = dev->absmax[ABS_Y] - dev->absmin[ABS_Y];
- if (size == 0) size = yres ? : 1;
- if (value > dev->absmax[ABS_Y]) value = dev->absmax[ABS_Y];
- if (value < dev->absmin[ABS_Y]) value = dev->absmin[ABS_Y];
+ if (size == 0)
+ size = yres ? : 1;
+ if (value > dev->absmax[ABS_Y])
+ value = dev->absmax[ABS_Y];
+ if (value < dev->absmin[ABS_Y])
+ value = dev->absmin[ABS_Y];
mousedev->packet.y = yres - ((value - dev->absmin[ABS_Y]) * yres) / size;
mousedev->packet.abs_event = 1;
break;
@@ -202,7 +210,7 @@ static void mousedev_key_event(struct mousedev *mousedev, unsigned int code, int
case BTN_SIDE: index = 3; break;
case BTN_4:
case BTN_EXTRA: index = 4; break;
- default: return;
+ default: return;
}
if (value) {
@@ -285,10 +293,9 @@ static void mousedev_touchpad_touch(struct mousedev *mousedev, int value)
mousedev->touch = mousedev->pkt_count = 0;
mousedev->frac_dx = 0;
mousedev->frac_dy = 0;
- }
- else
- if (!mousedev->touch)
- mousedev->touch = jiffies;
+
+ } else if (!mousedev->touch)
+ mousedev->touch = jiffies;
}
static 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
mousedev->pkt_count++;
/* Input system eats duplicate events, but we need all of them
* to do correct averaging so apply present one forward
- */
+ */
fx(0) = fx(1);
fy(0) = fy(1);
}
@@ -346,7 +353,9 @@ static int mousedev_fasync(int fd, struct file *file, int on)
{
int retval;
struct mousedev_list *list = file->private_data;
+
retval = fasync_helper(fd, file, on, &list->fasync);
+
return retval < 0 ? retval : 0;
}
@@ -507,14 +516,16 @@ static ssize_t mousedev_write(struct file * file, const char __user * buffer, si
list->imexseq = 0;
list->mode = MOUSEDEV_EMUL_EXPS;
}
- } else list->imexseq = 0;
+ } else
+ list->imexseq = 0;
if (c == mousedev_imps_seq[list->impsseq]) {
if (++list->impsseq == MOUSEDEV_SEQ_LEN) {
list->impsseq = 0;
list->mode = MOUSEDEV_EMUL_IMPS;
}
- } else list->impsseq = 0;
+ } else
+ list->impsseq = 0;
list->ps2[0] = 0xfa;
@@ -598,6 +609,7 @@ static ssize_t mousedev_read(struct file * file, char __user * buffer, size_t co
static unsigned int mousedev_poll(struct file *file, poll_table *wait)
{
struct mousedev_list *list = file->private_data;
+
poll_wait(file, &list->mousedev->wait, wait);
return ((list->ready || list->buffer) ? (POLLIN | POLLRDNORM) : 0) |
(list->mousedev->exist ? 0 : (POLLHUP | POLLERR));