Add the pull up/down register error

Signed-off-by: Tony Zhang <[email protected]>
paramono · Jan 22, 2015 · 5237b1a · 5237b1a
1 parent 337aa22
commit 5237b1a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/c_gpio.c b/source/c_gpio.c
@@ -221,7 +221,7 @@ void set_pullupdn(int gpio, int pud)//void sunxi_pullUpDnControl (int pin, int p
 	 int index = gpio - (bank << 5);
 	 int sub = index >> 4;
 	 int sub_index = index - 16*sub;
-	 uint32_t phyaddr = SUNXI_GPIO_BASE + (bank * 36) + 0x1c + sub; // +0x10 -> pullUpDn reg
+	 uint32_t phyaddr = SUNXI_GPIO_BASE + (bank * 36) + 0x1c + sub * 4; // +0x10 -> pullUpDn reg
 
 	if (lemakerDebug)
 		printf("func:%s pin:%d,bank:%d index:%d sub:%d phyaddr:0x%x\n",__func__, gpio,bank,index,sub,phyaddr);