From: Xie Xiaobo <X.Xie@freescale.com>
Date: Fri, 23 Mar 2012 09:02:20 +0000 (+0100)
Subject: hwmon: Add MCP3021 ADC driver
X-Git-Tag: v3.4-rc1~111^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5510e62a66bad22b104d5d854445523d7f5754f7;p=pandora-kernel.git

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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