target/linux/s3c24xx/patches-2.6.24/1147-add-force-backlight-up-on-resume.patch.patch

   1 From 56ba558ac343476a19a360fe139a6896bfc0b9e3 Mon Sep 17 00:00:00 2001
   2 From: Andy Green <andy@openmoko.com>
   3 Date: Tue, 13 May 2008 18:53:39 +0100
   4 Subject: [PATCH] add-force-backlight-up-on-resume.patch
   5
   6 The backlight status is restored during resume action, if it was
   7 off then it resumes like that.
   8
   9 This patch forces it on after resume.
  10
  11 Signed-off-by: Andy Green <andy@openmoko.com>
  12 ---
  13  drivers/i2c/chips/pcf50633.c |    5 +++--
  14  1 files changed, 3 insertions(+), 2 deletions(-)
  15
  16 diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c
  17 index b7b4921..dc4ea0a 100644
  18 --- a/drivers/i2c/chips/pcf50633.c
  19 +++ b/drivers/i2c/chips/pcf50633.c
  20 @@ -1952,8 +1952,9 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state)
  21
  22  void pcf50633_backlight_resume(struct pcf50633_data *pcf)
  23  {
  24 -       __reg_write(pcf, PCF50633_REG_LEDOUT, pcf->standby_regs.ledout);
  25 -       __reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.ledena);
  26 +       /* we force the backlight on in fact */
  27 +       __reg_write(pcf, PCF50633_REG_LEDOUT, 0x3f);
  28 +       __reg_write(pcf, PCF50633_REG_LEDENA, 0x21);
  29         __reg_write(pcf, PCF50633_REG_LEDDIM, pcf->standby_regs.leddim);
  30  }
  31  EXPORT_SYMBOL_GPL(pcf50633_backlight_resume);
  32 --
  33 1.5.6.5
  34