iPod Classic: Fix current leak through clickwheel GPIOs when clickwheel is powered down

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29267 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 3 insertions, 0 deletions

diff --git a/firmware/target/arm/ipod/button-clickwheel.c b/firmware/target/arm/ipod/button-clickwheel.c
index a43a059692..2cddbd5950 100644
--- a/firmware/target/arm/ipod/button-clickwheel.c
+++ b/firmware/target/arm/ipod/button-clickwheel.c
@@ -394,6 +394,9 @@ bool button_hold(void)
         holdswitch_last_read = USEC_TIMER;
         holdswitch_last_value = (pmu_read(0x87) & 2) == 0;
     }
+    if (holdswitch_last_value)
+        PCON(14) = (PCON(14) & ~0xffffff00) | 0x11111100;
+    else PCON(14) = (PCON(14) & ~0xffffff00) | 0x22222200;
     return holdswitch_last_value;
 #endif
 }