regulator: wm8350: Do not hardcode return value

Propagate the error value returned by the function instead.

Signed-off-by: Sachin Kamat <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/wm8350-regulator.c

···
 
 	sel = regulator_map_voltage_linear(rdev, uV, uV);
 	if (sel < 0)
-		return -EINVAL;
+		return sel;
 
 	/* all DCDCs have same mV bits */
 	val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_DC1_VSEL_MASK;
···
 
 	sel = regulator_map_voltage_linear_range(rdev, uV, uV);
 	if (sel < 0)
-		return -EINVAL;
+		return sel;
 
 	/* all LDOs have same mV bits */
 	val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_LDO1_VSEL_MASK;