ARM: pxa/hx4700: Reduce sleep mode battery discharge by 35%

Drive the two Bluetooth UART output GPIOs (GPIO43_BTUART_TXD, GPIO45_BTUART_RTS)
LOW during sleep mode instead of HIGH. This reduces sleep mode battery discharge
from approximately 46 mA to approximately 30 mA.

Signed-off-by: Oliver Winker <oliver@oli1170.net>
Signed-off-by: Paul Parsons <lost.distance@yahoo.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index c5fb105d2689..f49043cbab10 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -97,9 +97,9 @@ static unsigned long hx4700_pin_config[] __initdata = {
 
         /* BTUART */
         GPIO42_BTUART_RXD,
-        GPIO43_BTUART_TXD,
+        GPIO43_BTUART_TXD_LPM_LOW,
         GPIO44_BTUART_CTS,
-        GPIO45_BTUART_RTS,
+        GPIO45_BTUART_RTS_LPM_LOW,
 
         /* PWM 1 (Backlight) */
         GPIO17_PWM1_OUT,