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thermal: Add a function to get the minimum power

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The thermal core already has a function to get the maximum power of a
cooling device: power_actor_get_max_power().  Add a function to get the
minimum power of a cooling device.

Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Javi Merino 2015-09-14 14:23:50 +01:00 • committed by Eduardo Valentin
parent eba4f88d5a
commit c973c3bcec
2 changed files with 34 additions and 0 deletions
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6
include/linux/thermal.h
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@ -380,6 +380,8 @@ static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev)
int power_actor_get_max_power(struct thermal_cooling_device *,
struct thermal_zone_device *tz, u32 *max_power);
int power_actor_get_min_power(struct thermal_cooling_device *,
struct thermal_zone_device *tz, u32 *min_power);
int power_actor_set_power(struct thermal_cooling_device *,
struct thermal_instance *, u32);
struct thermal_zone_device *thermal_zone_device_register(const char *, int, int,
@ -415,6 +417,10 @@ static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev)
static inline int power_actor_get_max_power(struct thermal_cooling_device *cdev,
struct thermal_zone_device *tz, u32 *max_power)
{ return 0; }
static inline int power_actor_get_min_power(struct thermal_cooling_device *cdev,
struct thermal_zone_device *tz,
u32 *min_power)
{ return -ENODEV; }
static inline int power_actor_set_power(struct thermal_cooling_device *cdev,
struct thermal_instance *tz, u32 power)
{ return 0; }