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path: root/drivers/input/tsdev.c
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Diffstat (limited to 'drivers/input/tsdev.c')
-rw-r--r--drivers/input/tsdev.c22
1 files changed, 14 insertions, 8 deletions
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 @@
* e-mail - mail your message to <jsimmons@infradead.org>.
*/
-#define TSDEV_MINOR_BASE 128
+#define TSDEV_MINOR_BASE 128
#define TSDEV_MINORS 32
/* First 16 devices are h3600_ts compatible; second 16 are h3600_tsraw */
#define TSDEV_MINOR_MASK 15
@@ -230,6 +230,7 @@ static ssize_t tsdev_read(struct file *file, char __user *buffer, size_t count,
static unsigned int tsdev_poll(struct file *file, poll_table * wait)
{
struct tsdev_list *list = file->private_data;
+
poll_wait(file, &list->tsdev->wait, wait);
return ((list->head == list->tail) ? 0 : (POLLIN | POLLRDNORM)) |
(list->tsdev->exist ? 0 : (POLLHUP | POLLERR));
@@ -248,11 +249,13 @@ static int tsdev_ioctl(struct inode *inode, struct file *file,
sizeof (struct ts_calibration)))
retval = -EFAULT;
break;
+
case TS_SET_CAL:
if (copy_from_user (&tsdev->cal, (void __user *)arg,
sizeof (struct ts_calibration)))
retval = -EFAULT;
break;
+
default:
retval = -EINVAL;
break;
@@ -284,9 +287,11 @@ static void tsdev_event(struct input_handle *handle, unsigned int type,
case ABS_X:
tsdev->x = value;
break;
+
case ABS_Y:
tsdev->y = value;
break;
+
case ABS_PRESSURE:
if (value > handle->dev->absmax[ABS_PRESSURE])
value = handle->dev->absmax[ABS_PRESSURE];
@@ -307,6 +312,7 @@ static void tsdev_event(struct input_handle *handle, unsigned int type,
else if (tsdev->x > xres)
tsdev->x = xres;
break;
+
case REL_Y:
tsdev->y += value;
if (tsdev->y < 0)
@@ -323,6 +329,7 @@ static void tsdev_event(struct input_handle *handle, unsigned int type,
case 0:
tsdev->pressure = 0;
break;
+
case 1:
if (!tsdev->pressure)
tsdev->pressure = 1;
@@ -370,9 +377,8 @@ static struct input_handle *tsdev_connect(struct input_handler *handler,
struct class_device *cdev;
int minor, delta;
- for (minor = 0; minor < TSDEV_MINORS/2 && tsdev_table[minor];
- minor++);
- if (minor >= TSDEV_MINORS/2) {
+ for (minor = 0; minor < TSDEV_MINORS / 2 && tsdev_table[minor]; minor++);
+ if (minor >= TSDEV_MINORS / 2) {
printk(KERN_ERR
"tsdev: You have way too many touchscreens\n");
return NULL;
@@ -444,22 +450,22 @@ static struct input_device_id tsdev_ids[] = {
.evbit = { BIT(EV_KEY) | BIT(EV_REL) },
.keybit = { [LONG(BTN_LEFT)] = BIT(BTN_LEFT) },
.relbit = { BIT(REL_X) | BIT(REL_Y) },
- },/* A mouse like device, at least one button, two relative axes */
+ }, /* A mouse like device, at least one button, two relative axes */
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT | INPUT_DEVICE_ID_MATCH_ABSBIT,
.evbit = { BIT(EV_KEY) | BIT(EV_ABS) },
.keybit = { [LONG(BTN_TOUCH)] = BIT(BTN_TOUCH) },
.absbit = { BIT(ABS_X) | BIT(ABS_Y) },
- },/* A tablet like device, at least touch detection, two absolute axes */
+ }, /* A tablet like device, at least touch detection, two absolute axes */
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_ABSBIT,
.evbit = { BIT(EV_ABS) },
.absbit = { BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE) },
- },/* A tablet like device with several gradations of pressure */
+ }, /* A tablet like device with several gradations of pressure */
- {},/* Terminating entry */
+ {} /* Terminating entry */
};
MODULE_DEVICE_TABLE(input, tsdev_ids);