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authorMatt Campbell <mattrcampbell@gmail.com>2015-04-28 13:44:17 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-24 21:08:59 +0200
commitd9411e57dc7fcdbf28eb825d090b06b4248a95bc (patch)
treeecb950c779a3d706ae9679983e0fab66c911b5dd /drivers/w1/w1.h
parentw1_therm reference count family data (diff)
downloadlinux-d9411e57dc7fcdbf28eb825d090b06b4248a95bc.tar.xz
linux-d9411e57dc7fcdbf28eb825d090b06b4248a95bc.zip
w1: Add support for DS28EA00 sequence to w1-therm
This patch provides support for the DS28EA00 digital thermometer. The DS28EA00 provides an additional two pins for implementing a sequence detection algorithm. This feature allows you to determine the physical location of the chip in the 1-wire bus without needing pre-existing knowledge of the bus ordering. Support is provided through the sysfs w1_seq file. The file will contain a single line with an integer value representing the device index in the bus starting at 0. Signed-off-by: Matt Campbell <mattrcampbell@gmail.com> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/w1/w1.h')
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