diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1202-fix-pcf50633-platform-backlight-resume-ramp-setting.patch')
| -rw-r--r-- | target/linux/s3c24xx/patches-2.6.24/1202-fix-pcf50633-platform-backlight-resume-ramp-setting.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1202-fix-pcf50633-platform-backlight-resume-ramp-setting.patch b/target/linux/s3c24xx/patches-2.6.24/1202-fix-pcf50633-platform-backlight-resume-ramp-setting.patch new file mode 100644 index 0000000..389e48d --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.24/1202-fix-pcf50633-platform-backlight-resume-ramp-setting.patch @@ -0,0 +1,58 @@ +From 31afa68418678eef1885db656a935b24d51dce9b Mon Sep 17 00:00:00 2001 +From: Andy Green <andy@openmoko.com> +Date: Wed, 2 Jul 2008 22:42:29 +0100 +Subject: [PATCH] fix-pcf50633-platform-backlight-resume-ramp-setting.patch + +Signed-off-by: Andy Green <andy@openmoko.com> +--- + arch/arm/mach-s3c2440/mach-gta02.c | 1 + + drivers/i2c/chips/pcf50633.c | 6 ++++-- + include/linux/pcf50633.h | 1 + + 3 files changed, 6 insertions(+), 2 deletions(-) + +diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c +index 297b792..309e484 100644 +--- a/arch/arm/mach-s3c2440/mach-gta02.c ++++ b/arch/arm/mach-s3c2440/mach-gta02.c +@@ -577,6 +577,7 @@ static struct pcf50633_platform_data gta02_pcf_pdata = { + }, + }, + .defer_resume_backlight = 1, ++ .resume_backlight_ramp_speed = 5 + }; + + #if 0 /* currently unused */ +diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c +index 875a5ee..a697ee1 100644 +--- a/drivers/i2c/chips/pcf50633.c ++++ b/drivers/i2c/chips/pcf50633.c +@@ -2483,10 +2483,12 @@ void pcf50633_backlight_resume(struct pcf50633_data *pcf) + { + dev_info(&pcf->client.dev, "pcf50633_backlight_resume\n"); + +- /* we force the backlight on in fact */ +- reg_write(pcf, PCF50633_REG_LEDDIM, 1); ++ /* platform defines resume ramp speed */ ++ reg_write(pcf, PCF50633_REG_LEDDIM, ++ pcf->pdata->resume_backlight_ramp_speed); + reg_write(pcf, PCF50633_REG_LEDOUT, pcf->standby_regs.misc[ + PCF50633_REG_LEDOUT - PCF50633_REG_AUTOOUT]); ++ /* we force the backlight on in fact */ + reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.misc[ + PCF50633_REG_LEDENA - PCF50633_REG_AUTOOUT] | 1); + } +diff --git a/include/linux/pcf50633.h b/include/linux/pcf50633.h +index fa1c7e8..b94b72a 100644 +--- a/include/linux/pcf50633.h ++++ b/include/linux/pcf50633.h +@@ -173,6 +173,7 @@ struct pcf50633_platform_data { + + /* post-resume backlight bringup */ + int defer_resume_backlight; ++ u8 resume_backlight_ramp_speed; + }; + + #endif /* _PCF50633_H */ +-- +1.5.6.5 + |