diff --git a/[refs] b/[refs]
index 39afa5c2f537..7042b41c434a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d1f92f05754116fc65cb1165d4942d25df6f200e
+refs/heads/master: f9c28019d44a97272ef0f382e8d0d1a85dd1cf3e
diff --git a/trunk/drivers/mfd/jz4740-adc.c b/trunk/drivers/mfd/jz4740-adc.c
index 3ad492cb6c41..9dd1b33f2275 100644
--- a/trunk/drivers/mfd/jz4740-adc.c
+++ b/trunk/drivers/mfd/jz4740-adc.c
@@ -153,7 +153,7 @@ static inline void jz4740_adc_set_enabled(struct jz4740_adc *adc, int engine,
 	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);