2 files changed, 7 insertions, 0 deletions

diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index ceaf1e0ab540..6224c2fb3b65 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -357,6 +357,7 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
 
         keypad_writel(KPC, kpc | KPC_RE_ZERO_DEB);
         keypad_writel(KPREC, DEFAULT_KPREC);
+        keypad_writel(KPKDI, pdata->debounce_interval);
 }
 
 static int pxa27x_keypad_open(struct input_dev *dev)
diff --git a/include/asm-arm/arch-pxa/pxa27x_keypad.h b/include/asm-arm/arch-pxa/pxa27x_keypad.h
index 6b832329ebc2..644f7609b523 100644
--- a/include/asm-arm/arch-pxa/pxa27x_keypad.h
+++ b/include/asm-arm/arch-pxa/pxa27x_keypad.h
@@ -19,6 +19,9 @@
  *
  * 3. rotary can be either interpreted as a relative input event (e.g.
  *    REL_WHEEL/REL_HWHEEL) or specific keys (e.g. UP/DOWN/LEFT/RIGHT)
+ *
+ * 4. matrix key and direct key will use the same debounce_interval by
+ *    default, which should be sufficient in most cases
  */
 struct pxa27x_keypad_platform_data {
 
@@ -43,6 +46,9 @@ struct pxa27x_keypad_platform_data {
         int             rotary1_rel_code;
         int             rotary1_up_key;
         int             rotary1_down_key;
+
+        /* key debounce interval */
+        unsigned int    debounce_interval;
 };
 
 #define KEY(row, col, val)      (((row) << 28) | ((col) << 24) | (val))