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thermal: cpu_cooling: document cpufreq_get_cooling_level 

Add documentation for cpufreq_get_cooling_level. As this
is an exported function, it has to be documented.

Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Eduardo Valentin 2013-04-17 17:12:05 +00:00 committed by Zhang Rui
parent 2d6f28fedc
commit 44952d338a
1 changed files with 11 additions and 0 deletions
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11
drivers/thermal/cpu_cooling.c
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@ -208,6 +208,17 @@ static int get_property(unsigned int cpu, unsigned long input,
return -EINVAL; return -EINVAL;
} }
/**
* cpufreq_cooling_get_level - for a give cpu, return the cooling level.
* @cpu: cpu for which the level is required
* @freq: the frequency of interest
*
* This function will match the cooling level corresponding to the
* requested @freq and return it.
*
* Return: The matched cooling level on success or THERMAL_CSTATE_INVALID
* otherwise.
*/
unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq) unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq)
{ {
unsigned int val; unsigned int val;