target/linux/s3c24xx/patches-2.6.26/1157-The-following-is-a-minor-cleanup-of-backlight-resume.patch

   1 From eb0d4f1481de79a63f4a630bb874d3234a6ce13b Mon Sep 17 00:00:00 2001
   2 From: Sean McNeil <sean@mcneil.com>
   3 Date: Fri, 25 Jul 2008 23:06:11 +0100
   4 Subject: [PATCH] The following is a minor cleanup of backlight resume:
   5
   6 ---
   7  drivers/i2c/chips/pcf50633.c |   12 ++++--------
   8  1 files changed, 4 insertions(+), 8 deletions(-)
   9
  10 diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c
  11 index e5ffeff..f6886d7 100644
  12 --- a/drivers/i2c/chips/pcf50633.c
  13 +++ b/drivers/i2c/chips/pcf50633.c
  14 @@ -2228,8 +2228,9 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state)
  15
  16  void pcf50633_backlight_resume(struct pcf50633_data *pcf)
  17  {
  18 +       /* we force the backlight on in fact */
  19         __reg_write(pcf, PCF50633_REG_LEDOUT, pcf->standby_regs.ledout);
  20 -       __reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.ledena);
  21 +       __reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.ledena | 0x01);
  22         __reg_write(pcf, PCF50633_REG_LEDDIM, pcf->standby_regs.leddim);
  23  }
  24  EXPORT_SYMBOL_GPL(pcf50633_backlight_resume);
  25 @@ -2243,8 +2244,6 @@ static int pcf50633_resume(struct device *dev)
  26
  27         mutex_lock(&pcf->lock);
  28
  29 -       __reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
  30 -
  31         /* Resume all saved registers that don't "survive" standby state */
  32         __reg_write(pcf, PCF50633_REG_INT1M, pcf->standby_regs.int1m);
  33         __reg_write(pcf, PCF50633_REG_INT2M, pcf->standby_regs.int2m);
  34 @@ -2263,11 +2262,8 @@ static int pcf50633_resume(struct device *dev)
  35         __reg_write(pcf, PCF50633_REG_MEMLDOENA, pcf->standby_regs.memldoena);
  36
  37         /* platform can choose to defer backlight bringup */
  38 -       if (!pcf->pdata->defer_resume_backlight) {
  39 -               __reg_write(pcf, PCF50633_REG_LEDOUT, pcf->standby_regs.ledout);
  40 -               __reg_write(pcf, PCF50633_REG_LEDENA, pcf->standby_regs.ledena);
  41 -               __reg_write(pcf, PCF50633_REG_LEDDIM, pcf->standby_regs.leddim);
  42 -       }
  43 +       if (!pcf->pdata->defer_resume_backlight)
  44 +               pcf50633_backlight_resume(pcf);
  45
  46         /* FIXME: one big read? */
  47         for (i = 0; i < 7; i++) {
  48 --
  49 1.5.6.3
  50