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Thermal: Make Thermal trip points writeable

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Some of the thermal drivers using the Generic Thermal Framework
require (all/some) trip points to be writeable. This patch makes
the trip point temperatures writeable on a per-trip point basis,
and modifies the required function call in thermal.c. This patch
also updates the Documentation to reflect the new change.

Signed-off-by: Durgadoss R <[email protected]>
Signed-off-by: Zhang Rui <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Durgadoss R 2012-07-25 10:10:58 +08:00 • committed by Len Brown
commit c56f5c0342
7 changed files with 121 additions and 53 deletions
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4
Documentation/thermal/sysfs-api.txt
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@ -32,7 +32,8 @@ temperature) and throttle appropriate devices.
1.1 thermal zone device interface
1.1.1 struct thermal_zone_device *thermal_zone_device_register(char *name,
int trips, void *devdata, struct thermal_zone_device_ops *ops)
int trips, int mask, void *devdata,
struct thermal_zone_device_ops *ops)
This interface function adds a new thermal zone device (sensor) to
/sys/class/thermal folder as thermal_zone[0-*]. It tries to bind all the
@ -40,6 +41,7 @@ temperature) and throttle appropriate devices.
name: the thermal zone name.
trips: the total number of trip points this thermal zone supports.
mask: Bit string: If 'n'th bit is set, then trip point 'n' is writeable.
devdata: device private data
ops: thermal zone device call-backs.
.bind: bind the thermal zone device with a thermal cooling device.