xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
Paul Parsons
2012-03-11 13:23:42 +00:00
committed by Haojian Zhuang
parent 95a50cab1d
commit cd419cf922
2 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/mach-pxa/hx4700.c
View File

@@ -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,