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hwmon: (max6642): Better chip detection schema
authorPer Dalén <per.dalen@appeartv.com>
Thu, 26 May 2011 13:08:53 +0000 (09:08 -0400)
committerGuenter Roeck <guenter.roeck@ericsson.com>
Sat, 4 Jun 2011 17:34:28 +0000 (10:34 -0700)
commite50ddda74c21e5e4d4ffb96799a72a6d767c8e95
tree58020f9137fd23755a918eca1ad0621109123a80tree | snapshot
parent6986c6585fdec0320971e67a9dafd34b0305b1b6commit | diff
hwmon: (max6642): Better chip detection schema

Improve detection of MAX6642 by reading non existing registers (0x04, 0x06
and 0xff). Reading those registers returns the previously read value.

Signed-off-by: Per Dalen <per.dalen@appeartv.com>
[guenter.roeck@ericsson.com: added second set of register reads]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
drivers/hwmon/max6642.c diff | blob | history
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