linux-kernel - [PATCH 14/30] thermal: cpu_cooling: improve documentation for get_cpu

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Date:	Wed, 17 Apr 2013 13:12:07 -0400
From:	Eduardo Valentin <eduardo.valentin@...com>
To:	<amit.kachhap@...aro.org>
CC:	Eduardo Valentin <eduardo.valentin@...com>,
	Zhang Rui <rui.zhang@...el.com>, <linux-pm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH 14/30] thermal: cpu_cooling: improve documentation for get_cpu_frequency

Fix kernel-doc warning on get_cpu_frequency and improve
documentation comments.

Cc: Zhang Rui <rui.zhang@...el.com>
Cc: linux-pm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@...com>
---
 drivers/thermal/cpu_cooling.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 1ddfb15..593da29 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -239,8 +239,14 @@ EXPORT_SYMBOL_GPL(cpufreq_cooling_get_level);
 /**
  * get_cpu_frequency - get the absolute value of frequency from level.
  * @cpu: cpu for which frequency is fetched.
- * @level: level of frequency, equals cooling state of cpu cooling device
+ * @level: cooling level
+ *
+ * This function matches cooling level with frequency. Based on a cooling level
+ * of frequency, equals cooling state of cpu cooling device, it will return
+ * the corresponding frequency.
  *	e.g level=0 --> 1st MAX FREQ, level=1 ---> 2nd MAX FREQ, .... etc
+ *
+ * Return: 0 on error, the corresponding frequency otherwise.
  */
 static unsigned int get_cpu_frequency(unsigned int cpu, unsigned long level)
 {
-- 
1.8.2.1.342.gfa7285d

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