openwrt-owl/target/linux/xburst/patches-2.6.36/301-mfd-adc-fixes.patch

26 lines
810 B
Diff

From 1abac8c26df9112efee5da078f163b1c32075037 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 7 Oct 2010 15:51:20 +0800
Subject: [PATCH] mfd: Fix jz4740_adc_set_enabled
When enabled is false, clear BIT(engine) of JZ_REG_ADC_ENABLE register.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/jz4740-adc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
--- a/drivers/mfd/jz4740-adc.c
+++ b/drivers/mfd/jz4740-adc.c
@@ -154,7 +154,7 @@ static inline void jz4740_adc_set_enable
if (enabled)
val |= BIT(engine);
else
- val &= BIT(engine);
+ val &= ~BIT(engine);
writeb(val, adc->base + JZ_REG_ADC_ENABLE);
spin_unlock_irqrestore(&adc->lock, flags);