You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.6 KiB
Diff
48 lines
1.6 KiB
Diff
From 626e5a4e87bfc9471c3ded7da839c41a94088843 Mon Sep 17 00:00:00 2001
|
|
From: warmcat <andy@warmcat.com>
|
|
Date: Fri, 25 Jul 2008 23:06:02 +0100
|
|
Subject: [PATCH] fix-suspend-gps-tx-level.patch
|
|
|
|
We used to drive output high into GPS unit in suspend
|
|
|
|
Signed-off-by: Andy Green <andy@openmoko.com>
|
|
---
|
|
arch/arm/plat-s3c24xx/neo1973_pm_gps.c | 14 ++++++++++++++
|
|
1 files changed, 14 insertions(+), 0 deletions(-)
|
|
|
|
diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_gps.c b/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
|
|
index 6bd8054..e8cfb96 100644
|
|
--- a/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
|
|
+++ b/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
|
|
@@ -485,6 +485,12 @@ static int gta01_pm_gps_suspend(struct platform_device *pdev,
|
|
|
|
#ifdef CONFIG_MACH_NEO1973_GTA02
|
|
if (machine_is_neo1973_gta02()) {
|
|
+ /* take care not to power unpowered GPS from GPIO */
|
|
+ s3c2410_gpio_cfgpin(S3C2410_GPH4, S3C2410_GPH4_OUTP);
|
|
+ s3c2410_gpio_setpin(S3C2410_GPH4, 0);
|
|
+ /* don't let RX from unpowered GPS float */
|
|
+ s3c2410_gpio_pullup(S3C2410_GPH5, 1);
|
|
+
|
|
/* FIXME */
|
|
pcf50633_onoff_set(pcf50633_global,
|
|
PCF50633_REGULATOR_LDO5, 0);
|
|
@@ -505,6 +511,14 @@ static int gta01_pm_gps_resume(struct platform_device *pdev)
|
|
|
|
#ifdef CONFIG_MACH_NEO1973_GTA02
|
|
if (machine_is_neo1973_gta02()) {
|
|
+ /*
|
|
+ * resume TXD1 function since we power GPS now... er..
|
|
+ * WTF? FIXME We always power GPS on resume ??
|
|
+ */
|
|
+ s3c2410_gpio_cfgpin(S3C2410_GPH4, S3C2410_GPH4_TXD1);
|
|
+ /* remove pulldown now it won't be floating any more */
|
|
+ s3c2410_gpio_pullup(S3C2410_GPH5, 0);
|
|
+
|
|
/* FIXME */
|
|
pcf50633_onoff_set(pcf50633_global,
|
|
PCF50633_REGULATOR_LDO5, 1);
|
|
--
|
|
1.5.6.3
|
|
|