use_vref 370 drivers/iio/dac/mcp4725.c pdata->use_vref = of_property_read_bool(np, "vref-supply"); use_vref 417 drivers/iio/dac/mcp4725.c if (data->id == MCP4725 && pdata->use_vref) { use_vref 423 drivers/iio/dac/mcp4725.c if (!pdata->use_vref && pdata->vref_buffered) { use_vref 429 drivers/iio/dac/mcp4725.c if (!pdata->use_vref) use_vref 444 drivers/iio/dac/mcp4725.c if (pdata->use_vref) { use_vref 21 include/linux/iio/dac/mcp4725.h bool use_vref;