From 63d42755b5ac2fca5d31b5a470470ac68a87b8a8 Mon Sep 17 00:00:00 2001 From: Andy Green Date: Fri, 25 Jul 2008 23:06:15 +0100 Subject: [PATCH] fix-pcf50633-platform-backlight-resume-ramp-setting.patch Signed-off-by: Andy Green --- 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 bbc8ae6..6745993 100644 --- a/drivers/i2c/chips/pcf50633.c +++ b/drivers/i2c/chips/pcf50633.c @@ -2476,10 +2476,12 @@ 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 */ -- 1.5.6.3