aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/s3c24xx/patches-2.6.24/1177-The-following-is-a-minor-cleanup-of-backlight-resume.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1177-The-following-is-a-minor-cleanup-of-backlight-resume.patch')
-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1177-The-following-is-a-minor-cleanup-of-backlight-resume.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1177-The-following-is-a-minor-cleanup-of-backlight-resume.patch b/target/linux/s3c24xx/patches-2.6.24/1177-The-following-is-a-minor-cleanup-of-backlight-resume.patch
new file mode 100644
index 0000000000..af103fdc71
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.24/1177-The-following-is-a-minor-cleanup-of-backlight-resume.patch
@@ -0,0 +1,50 @@
+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
+