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authorEduardo Valentin <eduardo.valentin@ti.com>2013-04-17 17:12:05 +0000
committerZhang Rui <rui.zhang@intel.com>2013-04-25 00:34:38 +0800
commit44952d338ad73439b993c7a09a93a3a688e49768 (patch)
tree74d08cede932ace552d1c0f7790d992c951d44d6 /drivers/thermal
parent2d6f28fedcd2842635a02b29e3823ba9881d5086 (diff)
downloadvexpress-lsk-44952d338ad73439b993c7a09a93a3a688e49768.tar.gz
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>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/cpu_cooling.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 084ef0096cc..f1a041205a0 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -208,6 +208,17 @@ static int get_property(unsigned int cpu, unsigned long input,
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 int val;