hwmon: (lm90) Cache configuration register value

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The configuration register does not change on its own. Yet, it is read
in various locations, modified, and written back. Simplify and optimize
the code by caching its value and by only writing it back when needed.

Cc: Boyang Yu <byu@arista.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

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Guenter Roeck 2019-06-30 15:14:19 -07:00

parent 62456189f3

commit b849e5d18c

1 changed files with 28 additions and 31 deletions

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drivers/hwmon/lm90.c

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