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authorPaul Parsons <lost.distance@yahoo.com>2012-03-11 13:23:42 +0000
committerHaojian Zhuang <haojian.zhuang@gmail.com>2012-03-14 16:46:13 +0800
commitcd419cf922bdb50d33c98c9a0c81f51a40609f66 (patch)
treefd5234db6b8172371946a4ec7e1b41e40fcf7f1f /arch/arm/mach-pxa/hx4700.c
parent95a50cab1dc6446fb1a91d20e14b649dd9f41f1c (diff)
downloadlinux-cd419cf922bdb50d33c98c9a0c81f51a40609f66.tar.bz2
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>
Diffstat (limited to 'arch/arm/mach-pxa/hx4700.c')
-rw-r--r--arch/arm/mach-pxa/hx4700.c4
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,