extcon: arizona: Tune up HPDET debounce

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 4022fe2..5344f43 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -39,7 +39,7 @@
 #define ARIZONA_ACCDET_MODE_HPL 1
 #define ARIZONA_ACCDET_MODE_HPR 2
 
-#define HPDET_DEBOUNCE 250
+#define HPDET_DEBOUNCE 500
 
 struct arizona_extcon_info {
 	struct device *dev;