target/linux/s3c24xx/patches-2.6.24/1098-fix-charging-deassert-host-power-1a-detect.patch.patch

   1 From b32caff43b040be34c206962402e881e4235c5a9 Mon Sep 17 00:00:00 2001
   2 From: Andy Green <andy@openmoko.com>
   3 Date: Sun, 13 Apr 2008 07:25:51 +0100
   4 Subject: [PATCH] fix-charging-deassert-host-power-1a-detect.patch
   5
   6 We don't take care to stop driving generated USB host power even
   7 when we have a 1A charger connected on the same pins.
   8
   9 Signed-off-by: Andy Green <andy@openmoko.com>
  10 ---
  11  drivers/i2c/chips/pcf50633.c |    9 +++++++++
  12  1 files changed, 9 insertions(+), 0 deletions(-)
  13
  14 diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c
  15 index 91b9ac3..c14fad0 100644
  16 --- a/drivers/i2c/chips/pcf50633.c
  17 +++ b/drivers/i2c/chips/pcf50633.c
  18 @@ -523,6 +523,15 @@ static void configure_pmu_for_charger(struct pcf50633_data *pcf,
  19                 break;
  20         case CHARGER_TYPE_1A:
  21                 __reg_write(pcf, PCF50633_REG_MBCC7, PCF50633_MBCC7_USB_1000mA);
  22 +               /*
  23 +                * stop GPO / EN_HOSTUSB power driving out on the same
  24 +                * USB power pins we have a 1A charger on right now!
  25 +                */
  26 +               dev_info(&pcf->client.dev, "Charger -> CHARGER_TYPE_1A\n");
  27 +               __reg_write(pcf, PCF50633_GPO - PCF50633_GPIO1 +
  28 +                                PCF50633_REG_GPIO1CFG,
  29 +                                __reg_read(pcf, PCF50633_GPO - PCF50633_GPIO1 +
  30 +                                                PCF50633_REG_GPIO1CFG) & 0xf0);
  31                 break;
  32         }
  33  }
  34 --
  35 1.5.6.5
  36