From 4a7069a32c99a81950de035535b0a064dcceaeba Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Thu, 5 May 2016 14:21:42 +0530 Subject: 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 Signed-off-by: Eduardo Valentin Signed-off-by: Zhang Rui --- drivers/thermal/thermal_core.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'drivers') diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index e2fc616..8728cc6 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, }, -- cgit v1.1