changed Makefile and profiles, added patches for kernel 2.6.24 (stable-branch of...

[openwrt/openwrt.git] / target / linux / s3c24xx / patches-2.6.24 / 1266-fix-suspend-backlight-timing-gta01.patch.patch

diff --git a/target/linux/s3c24xx/patches-2.6.24/1266-fix-suspend-backlight-timing-gta01.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1266-fix-suspend-backlight-timing-gta01.patch.patch
new file mode 100644 (file)
index 0000000..d48c134
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.24/1266-fix-suspend-backlight-timing-gta01.patch.patch
@@ -0,0 +1,123 @@
+From 9ee405d79609106ea330b21d54f30b853e262296 Mon Sep 17 00:00:00 2001
+From: Mike Westerhof <mwester@dls.net>
+Date: Fri, 8 Aug 2008 13:10:59 +0100
+Subject: [PATCH] fix-suspend-backlight-timing-gta01.patch
+
+    This patch adds the gta01 backlight callback that defers the
+    restoring of the backlight until after the jbt driver has
+    resumed.  This doesn't eliminate the flashing of the LCD on
+    the gta01, but it reduces it considerably.
+
+Signed-off-by: Mike Westerhof <mwester@dls.net>
+---
+ arch/arm/mach-s3c2410/mach-gta01.c   |    9 ++++++++-
+ drivers/video/backlight/gta01_bl.c   |   15 ++++++++++++++-
+ include/asm-arm/arch-s3c2410/gta01.h |    4 ++++
+ 3 files changed, 26 insertions(+), 2 deletions(-)
+
+diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c
+index f3f87cf..9e42df0 100644
+--- a/arch/arm/mach-s3c2410/mach-gta01.c
++++ b/arch/arm/mach-s3c2410/mach-gta01.c
+@@ -507,14 +507,20 @@ static struct s3c2410_ts_mach_info gta01_ts_cfg = {
+ 
+ /* SPI */
+ 
+-void gta01_jbt6k74_reset(int devidx, int level)
++static void gta01_jbt6k74_reset(int devidx, int level)
+ {
+       /* empty place holder; gta01 does not yet use this */
+       printk(KERN_DEBUG "gta01_jbt6k74_reset\n");
+ }
+ 
++static void gta01_jbt6k74_resuming(int devidx)
++{
++      gta01bl_deferred_resume();
++}
++
+ const struct jbt6k74_platform_data gta01_jbt6k74_pdata = {
+       .reset          = gta01_jbt6k74_reset,
++      .resuming       = gta01_jbt6k74_resuming,
+ };
+ 
+ static struct spi_board_info gta01_spi_board_info[] = {
+@@ -584,6 +590,7 @@ static struct gta01bl_machinfo backlight_machinfo = {
+       .default_intensity      = 1,
+       .max_intensity          = 1,
+       .limit_mask             = 1,
++      .defer_resume_backlight = 1,
+ };
+ 
+ static struct resource gta01_bl_resources[] = {
+diff --git a/drivers/video/backlight/gta01_bl.c b/drivers/video/backlight/gta01_bl.c
+index 301ec9c..34c19c8 100644
+--- a/drivers/video/backlight/gta01_bl.c
++++ b/drivers/video/backlight/gta01_bl.c
+@@ -57,6 +57,8 @@ struct gta01bl_data {
+ 
+ static struct gta01bl_data gta01bl;
+ 
++static int gta01bl_defer_resume_backlight;
++
+ #define GTA01BL_SUSPENDED     0x01
+ #define GTA01BL_BATTLOW       0x02
+ 
+@@ -132,10 +134,12 @@ static int gta01bl_suspend(struct platform_device *dev, pm_message_t state)
+ {
+       gta01bl_flags |= GTA01BL_SUSPENDED;
+       gta01bl_send_intensity(gta01_backlight_device);
++      neo1973_gpb_setpin(GTA01_GPIO_BACKLIGHT, 0);
++      s3c2410_gpio_cfgpin(GTA01_GPIO_BACKLIGHT, S3C2410_GPIO_OUTPUT);
+       return 0;
+ }
+ 
+-static int gta01bl_resume(struct platform_device *dev)
++void gta01bl_deferred_resume(void)
+ {
+       mutex_lock(&gta01bl.mutex);
+       gta01bl_init_hw();
+@@ -143,6 +147,13 @@ static int gta01bl_resume(struct platform_device *dev)
+ 
+       gta01bl_flags &= ~GTA01BL_SUSPENDED;
+       gta01bl_send_intensity(gta01_backlight_device);
++}
++EXPORT_SYMBOL_GPL(gta01bl_deferred_resume);
++
++static int gta01bl_resume(struct platform_device *dev)
++{
++      if (! gta01bl_defer_resume_backlight)
++              gta01bl_deferred_resume();
+       return 0;
+ }
+ #else
+@@ -199,6 +210,8 @@ static int __init gta01bl_probe(struct platform_device *pdev)
+       if (!machinfo->limit_mask)
+               machinfo->limit_mask = -1;
+ 
++      gta01bl_defer_resume_backlight = machinfo->defer_resume_backlight;
++
+       gta01_backlight_device = backlight_device_register("gta01-bl",
+                                                          &pdev->dev, NULL,
+                                                          &gta01bl_ops);
+diff --git a/include/asm-arm/arch-s3c2410/gta01.h b/include/asm-arm/arch-s3c2410/gta01.h
+index 1cc2099..989aa55 100644
+--- a/include/asm-arm/arch-s3c2410/gta01.h
++++ b/include/asm-arm/arch-s3c2410/gta01.h
+@@ -12,10 +12,14 @@
+ #define GTA01Bv4_SYSTEM_REV   0x00000240
+ 
+ /* Backlight */
++
++extern void gta01bl_deferred_resume(void);
++
+ struct gta01bl_machinfo {
+       unsigned int default_intensity;
+       unsigned int max_intensity;
+       unsigned int limit_mask;
++      unsigned int defer_resume_backlight;
+ };
+ 
+ /* Definitions common to all revisions */
+-- 
+1.5.6.5
+