hwmon: (lm73) Make detection less problematic
Word reads can cause trouble with some I2C devices, so do as much detection as we can using only byte reads, and only use a word read in the end to confirm the positive match. Also properly handle read errors. Signed-off-by: NJean Delvare <khali@linux-fr.org> Acked-by: NGuenter Roeck <guenter.roeck@ericsson.com> Cc: Robert Casanova <robertcasanova@nanometrics.ca>
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