power: regulator: max77686 correct variable type
The return type of pmic_read and pmic_write is signed int, so
correct variable 'ret' from type unsigned int to int.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Przemyslaw Marczak <p.marczak@samsung.com>
diff --git a/drivers/power/regulator/max77686.c b/drivers/power/regulator/max77686.c
index 946b87c..9d23c19 100644
--- a/drivers/power/regulator/max77686.c
+++ b/drivers/power/regulator/max77686.c
@@ -319,9 +319,9 @@
static int max77686_ldo_val(struct udevice *dev, int op, int *uV)
{
- unsigned int ret, hex, adr;
+ unsigned int hex, adr;
unsigned char val;
- int ldo;
+ int ldo, ret;
if (op == PMIC_OP_GET)
*uV = 0;
@@ -360,9 +360,9 @@
static int max77686_buck_val(struct udevice *dev, int op, int *uV)
{
- unsigned int hex, ret, mask, adr;
+ unsigned int hex, mask, adr;
unsigned char val;
- int buck;
+ int buck, ret;
buck = dev->driver_data;
if (buck < 1 || buck > MAX77686_BUCK_NUM) {
@@ -414,9 +414,9 @@
static int max77686_ldo_mode(struct udevice *dev, int op, int *opmode)
{
- unsigned int ret, adr, mode;
+ unsigned int adr, mode;
unsigned char val;
- int ldo;
+ int ldo, ret;
if (op == PMIC_OP_GET)
*opmode = -EINVAL;
@@ -545,9 +545,9 @@
static int max77686_buck_mode(struct udevice *dev, int op, int *opmode)
{
- unsigned int ret, mask, adr, mode, mode_shift;
+ unsigned int mask, adr, mode, mode_shift;
unsigned char val;
- int buck;
+ int buck, ret;
buck = dev->driver_data;
if (buck < 1 || buck > MAX77686_BUCK_NUM) {