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authorXie Xiaobo <X.Xie@freescale.com>2012-03-23 10:02:20 +0100
committerJean Delvare <khali@endymion.delvare>2012-03-23 10:02:20 +0100
commit5510e62a66bad22b104d5d854445523d7f5754f7 (patch)
treea580bd3fff0831628bc0d525d975853bbf25a86d /arch/blackfin
parent0c2732152a5813a870d0b96f0844f4dfe1436519 (diff)
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hwmon: Add MCP3021 ADC driver
Add I2C driver for MCP3021 that is an ADC chip from Microchip. The MCP3021 is a successive approximation A/D converter (ADC) with 10-bit resolution. The driver export the value of Vin to sysfs, the voltage unit is mV. Through the sysfs interface, lm-sensors tool can also display Vin voltage. Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com> Signed-off-by: Xie Xiaobo <X.Xie@freescale.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
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