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1Kernel driver w83l785ts
2=======================
3
4Supported chips:
5 * Winbond W83L785TS-S
6 Prefix: 'w83l785ts'
7 Addresses scanned: I2C 0x2e
8 Datasheet: Publicly available at the Winbond USA website
9 http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83L785TS-S.pdf
10
11Authors:
12 Jean Delvare <khali@linux-fr.org>
13
14Description
15-----------
16
17The W83L785TS-S is a digital temperature sensor. It senses the
18temperature of a single external diode. The high limit is
19theoretically defined as 85 or 100 degrees C through a combination
20of external resistors, so the user cannot change it. Values seen so
21far suggest that the two possible limits are actually 95 and 110
22degrees C. The datasheet is rather poor and obviously inaccurate
23on several points including this one.
24
25All temperature values are given in degrees Celsius. Resolution
26is 1.0 degree. See the datasheet for details.
27
28The w83l785ts driver will not update its values more frequently than
29every other second; reading them more often will do no harm, but will
30return 'old' values.
31
32Known Issues
33------------
34
35On some systems (Asus), the BIOS is known to interfere with the driver
36and cause read errors. The driver will retry a given number of times
37(5 by default) and then give up, returning the old value (or 0 if
38there is no old value). It seems to work well enough so that you should
39not notice anything. Thanks to James Bolt for helping test this feature.