rk3188: efuse: use byte[22] bit[2] to ctrl leakage's effective

diff --git a/arch/arm/plat-rk/efuse.c b/arch/arm/plat-rk/efuse.c
index dcb829515d5ef6fa0346c5c97b62a33854521e51..b29a9a68443e8bb5740cc4cd8e9fc2a3d09c3adb 100644 (file)
--- a/arch/arm/plat-rk/efuse.c
+++ b/arch/arm/plat-rk/efuse.c
@@ -69,5 +69,14 @@ int rk_pll_flag(void)
 
 int rk_leakage_val(void)
 {
-       return (efuse_buf[22] >> 4) & 0x0f;
+       /*
+        * efuse_buf[22]
+        * bit[3]:
+        *      0:enable leakage level auto voltage scale
+        *      1:disalbe leakage level avs
+        */
+       if ((efuse_buf[22] >> 2) & 0x1)
+               return 0;
+       else
+               return  (efuse_buf[22] >> 4) & 0x0f;
 }