From: Eric Miao <eric.y.miao@gmail.com>
Date: Mon, 16 Jan 2012 21:51:45 +0000 (+0100)
Subject: hwmon: (max1111) Change sysfs interface to in[0-3]_input in millivolts
X-Git-Tag: v3.3-rc1~42^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=012f3b9118c7aaa3549f89299386f92b6580d235;p=pandora-kernel.git

hwmon: (max1111) Change sysfs interface to in[0-3]_input in millivolts

This patch fixed the inconsistent max1111 sysfs interface as pointed
out by Jean Delvare:

    It was pointed to me that the max1111 driver doesn't implement the
    standard sysfs interface for hwmon drivers (as described in
    Documentation/hwmon/sysfs-interface). It exports files adc[0-3]_in,
    which
    aren't part of the standard interface. Presumably these should be
    renamed to in[0-3]_input. Renaming them is probably not sufficient
    though, as I see no scaling done in the driver. As the MAX1111 chip has
    a documented full scale of 2.048V, I take it that the LSB of the ADC
    has a weight of 8 mV. Exporting raw register values to user-space is
    not OK.

Reported-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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