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openwrt-xburst/target/linux/s3c24xx/patches-2.6.24/1177-The-following-is-a-minor-cleanup-of-backlight-resume.patch
mirko fc54b9bf15 changed Makefile and profiles, added patches for kernel 2.6.24
(stable-branch of Openmoko)


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-12-12 11:58:53 +00:00

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1.9 KiB
Diff

From 50ea11a2a5397c72427a153a1327c6c433754df8 Mon Sep 17 00:00:00 2001
From: Sean McNeil <sean@mcneil.com>
Date: Wed, 2 Jul 2008 22:38:54 +0100
Subject: [PATCH] The following is a minor cleanup of backlight resume:
---
drivers/i2c/chips/pcf50633.c | 13 ++++---------
1 files changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c
index 2f9b9e1..aabf412 100644
--- a/drivers/i2c/chips/pcf50633.c
+++ b/drivers/i2c/chips/pcf50633.c
@@ -2239,8 +2239,8 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state)
void pcf50633_backlight_resume(struct pcf50633_data *pcf)
{
/* we force the backlight on in fact */
- __reg_write(pcf, PCF50633_REG_LEDOUT, 0x3f);
- __reg_write(pcf, PCF50633_REG_LEDENA, 0x21);
+ __reg_write(pcf, PCF50633_REG_LEDOUT, pcf->standby_regs.ledout);
+ __reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.ledena | 0x01);
__reg_write(pcf, PCF50633_REG_LEDDIM, pcf->standby_regs.leddim);
}
EXPORT_SYMBOL_GPL(pcf50633_backlight_resume);
@@ -2254,8 +2254,6 @@ static int pcf50633_resume(struct device *dev)
mutex_lock(&pcf->lock);
- __reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
-
/* Resume all saved registers that don't "survive" standby state */
__reg_write(pcf, PCF50633_REG_INT1M, pcf->standby_regs.int1m);
__reg_write(pcf, PCF50633_REG_INT2M, pcf->standby_regs.int2m);
@@ -2274,11 +2272,8 @@ static int pcf50633_resume(struct device *dev)
__reg_write(pcf, PCF50633_REG_MEMLDOENA, pcf->standby_regs.memldoena);
/* platform can choose to defer backlight bringup */
- if (!pcf->pdata->defer_resume_backlight) {
- __reg_write(pcf, PCF50633_REG_LEDOUT, pcf->standby_regs.ledout);
- __reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.ledena);
- __reg_write(pcf, PCF50633_REG_LEDDIM, pcf->standby_regs.leddim);
- }
+ if (!pcf->pdata->defer_resume_backlight)
+ pcf50633_backlight_resume(pcf);
/* FIXME: one big read? */
for (i = 0; i < 7; i++) {
--
1.5.6.5