vref_supply 86 drivers/input/keyboard/sun4i-lradc-keys.c struct regulator *vref_supply; vref_supply 139 drivers/input/keyboard/sun4i-lradc-keys.c error = regulator_enable(lradc->vref_supply); vref_supply 143 drivers/input/keyboard/sun4i-lradc-keys.c lradc->vref = regulator_get_voltage(lradc->vref_supply) * vref_supply 167 drivers/input/keyboard/sun4i-lradc-keys.c regulator_disable(lradc->vref_supply); vref_supply 246 drivers/input/keyboard/sun4i-lradc-keys.c lradc->vref_supply = devm_regulator_get(dev, "vref"); vref_supply 247 drivers/input/keyboard/sun4i-lradc-keys.c if (IS_ERR(lradc->vref_supply)) vref_supply 248 drivers/input/keyboard/sun4i-lradc-keys.c return PTR_ERR(lradc->vref_supply);