[PATCH] Input: convert ucb1x00-ts to dynamic input_dev allocation

Input: convert ucb1x00-ts to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 24 insertions, 19 deletions

diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c
index a260f83bcb02..585cded3d365 100644
--- a/drivers/mfd/ucb1x00-ts.c
+++ b/drivers/mfd/ucb1x00-ts.c
@@ -40,7 +40,7 @@
 
 
 struct ucb1x00_ts {
-        struct input_dev        idev;
+        struct input_dev        *idev;
         struct ucb1x00          *ucb;
 
         wait_queue_head_t       irq_wait;
@@ -56,16 +56,16 @@ static int adcsync;
 
 static inline void ucb1x00_ts_evt_add(struct ucb1x00_ts *ts, u16 pressure, u16 x, u16 y)
 {
-        input_report_abs(&ts->idev, ABS_X, x);
-        input_report_abs(&ts->idev, ABS_Y, y);
-        input_report_abs(&ts->idev, ABS_PRESSURE, pressure);
-        input_sync(&ts->idev);
+        input_report_abs(ts->idev, ABS_X, x);
+        input_report_abs(ts->idev, ABS_Y, y);
+        input_report_abs(ts->idev, ABS_PRESSURE, pressure);
+        input_sync(ts->idev);
 }
 
 static inline void ucb1x00_ts_event_release(struct ucb1x00_ts *ts)
 {
-        input_report_abs(&ts->idev, ABS_PRESSURE, 0);
-        input_sync(&ts->idev);
+        input_report_abs(ts->idev, ABS_PRESSURE, 0);
+        input_sync(ts->idev);
 }
 
 /*
@@ -341,26 +341,30 @@ static int ucb1x00_ts_add(struct ucb1x00_dev *dev)
 {
         struct ucb1x00_ts *ts;
 
-        ts = kmalloc(sizeof(struct ucb1x00_ts), GFP_KERNEL);
+        ts = kzalloc(sizeof(struct ucb1x00_ts), GFP_KERNEL);
         if (!ts)
                 return -ENOMEM;
 
-        memset(ts, 0, sizeof(struct ucb1x00_ts));
+        ts->idev = input_allocate_device();
+        if (!ts->idev) {
+                kfree(ts);
+                return -ENOMEM;
+        }
 
         ts->ucb = dev->ucb;
         ts->adcsync = adcsync ? UCB_SYNC : UCB_NOSYNC;
 
-        ts->idev.name       = "Touchscreen panel";
-        ts->idev.id.product = ts->ucb->id;
-        ts->idev.open       = ucb1x00_ts_open;
-        ts->idev.close      = ucb1x00_ts_close;
+        ts->idev->name       = "Touchscreen panel";
+        ts->idev->id.product = ts->ucb->id;
+        ts->idev->open       = ucb1x00_ts_open;
+        ts->idev->close      = ucb1x00_ts_close;
 
-        __set_bit(EV_ABS, ts->idev.evbit);
-        __set_bit(ABS_X, ts->idev.absbit);
-        __set_bit(ABS_Y, ts->idev.absbit);
-        __set_bit(ABS_PRESSURE, ts->idev.absbit);
+        __set_bit(EV_ABS, ts->idev->evbit);
+        __set_bit(ABS_X, ts->idev->absbit);
+        __set_bit(ABS_Y, ts->idev->absbit);
+        __set_bit(ABS_PRESSURE, ts->idev->absbit);
 
-        input_register_device(&ts->idev);
+        input_register_device(ts->idev);
 
         dev->priv = ts;
 
@@ -370,7 +374,8 @@ static int ucb1x00_ts_add(struct ucb1x00_dev *dev)
 static void ucb1x00_ts_remove(struct ucb1x00_dev *dev)
 {
         struct ucb1x00_ts *ts = dev->priv;
-        input_unregister_device(&ts->idev);
+
+        input_unregister_device(ts->idev);
         kfree(ts);
 }