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thermal: core: export apis to get slope and offset

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Add apis for platform thermal drivers to query for slope and offset
attributes, which might be needed for temperature calculations.

Signed-off-by: Rajendra Nayak <[email protected]>
Signed-off-by: Eduardo Valentin <[email protected]>
Signed-off-by: Zhang Rui <[email protected]>
This commit is contained in:
Rajendra Nayak 2016-05-05 14:21:42 +05:30 • committed by Zhang Rui
commit 4a7069a32c
3 changed files with 50 additions and 0 deletions
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30
drivers/thermal/thermal_core.c
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@ -2069,6 +2069,36 @@ exit:
}
EXPORT_SYMBOL_GPL(thermal_zone_get_zone_by_name);
/**
* thermal_zone_get_slope - return the slope attribute of the thermal zone
* @tz: thermal zone device with the slope attribute
*
* Return: If the thermal zone device has a slope attribute, return it, else
* return 1.
*/
int thermal_zone_get_slope(struct thermal_zone_device *tz)
{
if (tz && tz->tzp)
return tz->tzp->slope;
return 1;
}
EXPORT_SYMBOL_GPL(thermal_zone_get_slope);
/**
* thermal_zone_get_offset - return the offset attribute of the thermal zone
* @tz: thermal zone device with the offset attribute
*
* Return: If the thermal zone device has a offset attribute, return it, else
* return 0.
*/
int thermal_zone_get_offset(struct thermal_zone_device *tz)
{
if (tz && tz->tzp)
return tz->tzp->offset;
return 0;
}
EXPORT_SYMBOL_GPL(thermal_zone_get_offset);
#ifdef CONFIG_NET
static const struct genl_multicast_group thermal_event_mcgrps[] = {
{ .name = THERMAL_GENL_MCAST_GROUP_NAME, },