summaryrefslogtreecommitdiff
path: root/drivers/input/touchscreen
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r--drivers/input/touchscreen/mk712.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/input/touchscreen/mk712.c b/drivers/input/touchscreen/mk712.c
index 855c2c21a06a..afaaebe5225b 100644
--- a/drivers/input/touchscreen/mk712.c
+++ b/drivers/input/touchscreen/mk712.c
@@ -77,7 +77,6 @@ MODULE_PARM_DESC(irq, "IRQ of MK712 touchscreen controller");
#define MK712_READ_ONE_POINT 0x20
#define MK712_POWERUP 0x40
-static int mk712_used = 0;
static struct input_dev mk712_dev;
static DEFINE_SPINLOCK(mk712_lock);
@@ -130,17 +129,14 @@ static int mk712_open(struct input_dev *dev)
spin_lock_irqsave(&mk712_lock, flags);
- if (!mk712_used++) {
+ outb(0, mk712_io + MK712_CONTROL); /* Reset */
- outb(0, mk712_io + MK712_CONTROL); /* Reset */
+ outb(MK712_ENABLE_INT | MK712_INT_ON_CONVERSION_COMPLETE |
+ MK712_INT_ON_CHANGE_IN_TOUCH_STATUS |
+ MK712_ENABLE_PERIODIC_CONVERSIONS |
+ MK712_POWERUP, mk712_io + MK712_CONTROL);
- outb(MK712_ENABLE_INT | MK712_INT_ON_CONVERSION_COMPLETE |
- MK712_INT_ON_CHANGE_IN_TOUCH_STATUS |
- MK712_ENABLE_PERIODIC_CONVERSIONS |
- MK712_POWERUP, mk712_io + MK712_CONTROL);
-
- outb(10, mk712_io + MK712_RATE); /* 187 points per second */
- }
+ outb(10, mk712_io + MK712_RATE); /* 187 points per second */
spin_unlock_irqrestore(&mk712_lock, flags);
@@ -153,8 +149,7 @@ static void mk712_close(struct input_dev *dev)
spin_lock_irqsave(&mk712_lock, flags);
- if (!--mk712_used)
- outb(0, mk712_io + MK712_CONTROL);
+ outb(0, mk712_io + MK712_CONTROL);
spin_unlock_irqrestore(&mk712_lock, flags);
}