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