| commit | e4879e28abd67b894fb9d2db0afd08f1945670ba | [log] [tgz] |
|---|---|---|
| author | Jean Delvare <khali@linux-fr.org> | Mon Mar 30 21:46:40 2009 +0200 |
| committer | Jean Delvare <khali@linux-fr.org> | Mon Mar 30 21:46:40 2009 +0200 |
| tree | e6e9c1269c9ed949fb89bf7d31e116ace255d2ff | |
| parent | 594592dc6f68356a3b7278eb4d260a50a66f0a06 [diff] |
hwmon: (ds1621) Avoid unneeded register access Register access over SMBus isn't cheap, so avoid register access where possible: * Only write back the configuration register if it changed. * Don't refresh the register cache when we don't have to. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Aurelien Jarno <aurelien@aurel32.net>