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PM / devfreq: predef governors update freq when device is resumed

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The predefined performance and powersave governors set the device
frequency on their startup only. That's not enough because the
frequency might have changed after device suspend-resume. With this
fix the governors re-set the required device frequency every time
a device get resumed.

Change-Id: I47ac877fc9e2cfbfc4a46cc676d6f2f838cd41d6
Signed-off-by: Vladimir Razgulin <vrazguli@codeaurora.org>
This commit is contained in:
Vladimir Razgulin 2013-06-12 09:58:17 -06:00 • committed by David Keitel
parent 4c5ca5ed5b
commit b6c9810e96
2 changed files with 2 additions and 2 deletions
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2
drivers/devfreq/governor_performance.c
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@ -32,7 +32,7 @@ static int devfreq_performance_handler(struct devfreq *devfreq,
{ {
int ret = 0; int ret = 0;
if (event == DEVFREQ_GOV_START) { if (event == DEVFREQ_GOV_START || event == DEVFREQ_GOV_RESUME) {
mutex_lock(&devfreq->lock); mutex_lock(&devfreq->lock);
ret = update_devfreq(devfreq); ret = update_devfreq(devfreq);
mutex_unlock(&devfreq->lock); mutex_unlock(&devfreq->lock);

2
drivers/devfreq/governor_powersave.c
View file

@ -29,7 +29,7 @@ static int devfreq_powersave_handler(struct devfreq *devfreq,
{ {
int ret = 0; int ret = 0;
if (event == DEVFREQ_GOV_START) { if (event == DEVFREQ_GOV_START || event == DEVFREQ_GOV_RESUME) {
mutex_lock(&devfreq->lock); mutex_lock(&devfreq->lock);
ret = update_devfreq(devfreq); ret = update_devfreq(devfreq);
mutex_unlock(&devfreq->lock); mutex_unlock(&devfreq->lock);