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| author | Rajendra Nayak <rnayak@codeaurora.org> | 2016-05-05 14:21:42 +0530 |
|---|---|---|
| committer | Zhang Rui <rui.zhang@intel.com> | 2016-09-27 14:02:16 +0800 |
| commit | 4a7069a32c99a81950de035535b0a064dcceaeba (patch) | |
| tree | b65912d14e0cd5650a7d1e0cdc5270176e2c6f90 /drivers/thermal | |
| parent | 5e6703bd2d83548998848865cb9a9a795f31a311 (diff) | |
| download | linux-rpi3-4a7069a32c99a81950de035535b0a064dcceaeba.tar.gz linux-rpi3-4a7069a32c99a81950de035535b0a064dcceaeba.tar.bz2 linux-rpi3-4a7069a32c99a81950de035535b0a064dcceaeba.zip | |
thermal: core: export apis to get slope and offset
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 <rnayak@codeaurora.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index e2fc6161dded..8728cc615452 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -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, }, |