mirror of
https://github.com/apache/nuttx.git
synced 2026-08-09 14:35:08 +00:00
1e2f9745cb
It's better not to use global governor, as modifying one device will cause all devices' governor to be modified. Signed-off-by: guanyi3 <guanyi3@xiaomi.com>
59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
/****************************************************************************
|
|
* drivers/devfreq/devfreq_powersave.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/devfreq.h>
|
|
|
|
/****************************************************************************
|
|
* Private Function Prototypes
|
|
****************************************************************************/
|
|
|
|
static uint32_t devfreq_powersave_limit(FAR struct devfreq_s *devfreq);
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
static struct devfreq_governor_s g_devfreq_gov_powersave =
|
|
{
|
|
.name = "powersave",
|
|
.limit = devfreq_powersave_limit,
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
static uint32_t devfreq_powersave_limit(FAR struct devfreq_s *devfreq)
|
|
{
|
|
return devfreq->min;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
FAR struct devfreq_governor_s *devfreq_powersave(void)
|
|
{
|
|
return &g_devfreq_gov_powersave;
|
|
}
|