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2018-12-16iio: chemical: sgp30: Support Sensirion SGP30/SGPC3 sensorsAndreas Brauchli
Support Sensirion SGP30 and SGPC3 multi-pixel I2C gas sensors Supported Features: * Indoor Air Quality (IAQ) concentrations for - tVOC (in_concentration_voc_input) - CO2eq (in_concentration_co2_input) - SGP30 only IAQ concentrations are periodically read out by a background thread to allow the sensor to maintain its internal baseline. * Gas concentration signals - Ethanol (in_concentration_ethanol_raw) - H2 (in_concentration_h2_raw) - SGP30 only https://www.sensirion.com/file/datasheet_sgp30 https://www.sensirion.com/file/datasheet_sgpc3 Signed-off-by: Andreas Brauchli <andreas.brauchli@sensirion.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>