Alexander Shiyan 37014f5bd0 w1: mxc_w1: Fix incorrect "presence" status
W1 reset_bus() should return zero if slave device is present.
This patch fix this issue.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-19 17:51:46 -07:00
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