Input: atmel_mxt_ts - make CHG line high after enabling interrupts

Make the CHG line (interrupt line) go high after the interrupts have been
enabled to make sure we don't miss the falling edge.

Signed-off-by: Iiro Valkonen <iiro.valkonen@atmel.com>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index a97905a17b72..2accf1dffee9 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -814,10 +814,6 @@ static int mxt_initialize(struct mxt_data *data)
         if (error)
                 return error;
 
-        error = mxt_make_highchg(data);
-        if (error)
-                return error;
-
         mxt_handle_pdata(data);
 
         /* Backup to memory */
@@ -1005,6 +1001,10 @@ static ssize_t mxt_update_fw_store(struct device *dev,
 
         enable_irq(data->irq);
 
+        error = mxt_make_highchg(data);
+        if (error)
+                return error;
+
         return count;
 }
 
@@ -1115,6 +1115,10 @@ static int __devinit mxt_probe(struct i2c_client *client,
                 goto err_free_object;
         }
 
+        error = mxt_make_highchg(data);
+        if (error)
+                goto err_free_irq;
+
         error = input_register_device(input_dev);
         if (error)
                 goto err_free_irq;