vref_voltage 48 drivers/iio/adc/aspeed_adc.c unsigned int vref_voltage; // mV vref_voltage 104 drivers/iio/adc/aspeed_adc.c *val = model_data->vref_voltage; vref_voltage 301 drivers/iio/adc/aspeed_adc.c .vref_voltage = 2500, // mV vref_voltage 308 drivers/iio/adc/aspeed_adc.c .vref_voltage = 1800, // mV