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Documentation/hwmon/twl4030-madc-hwmon
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Kernel driver twl4030-madc ========================= Supported chips: * Texas Instruments TWL4030 Prefix: 'twl4030-madc' Authors: J Keerthy <j-keerthy@ti.com> Description ----------- The Texas Instruments TWL4030 is a Power Management and Audio Circuit. Among other things it contains a 10-bit A/D converter MADC. The converter has 16 channels which can be used in different modes. See this table for the meaning of the different channels Channel Signal ------------------------------------------ 0 Battery type(BTYPE) 1 BCI: Battery temperature (BTEMP) 2 GP analog input 3 GP analog input 4 GP analog input 5 GP analog input 6 GP analog input 7 GP analog input 8 BCI: VBUS voltage(VBUS) 9 Backup Battery voltage (VBKP) 10 BCI: Battery charger current (ICHG) 11 BCI: Battery charger voltage (VCHG) 12 BCI: Main battery voltage (VBAT) 13 Reserved 14 Reserved 15 VRUSB Supply/Speaker left/Speaker right polarization level The Sysfs nodes will represent the voltage in the units of mV, the temperature channel shows the converted temperature in |
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degree Celsius. The Battery charging current channel represents |
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battery charging current in mA. |