diff options
| author | Timo Alho <talho@nvidia.com> | 2013-10-29 10:24:05 +0200 |
|---|---|---|
| committer | Juha Tukkinen <jtukkinen@nvidia.com> | 2013-11-05 00:11:54 -0800 |
| commit | 766754e648cecac1678ddb0459bf3ec0ec49728e (patch) | |
| tree | 9615c79271926df1a6d3e2bf0764ac448acd206b /drivers/edp | |
| parent | 4c4db2dcc7c7857c5dbaf88a11c812dec374aa48 (diff) | |
EDP: add API to query current power state
Add sysedp_get_state API function call to query current power state of
sysedp consumer.
Change-Id: I667a848e269836b7dba652a7929a5fbce6ef8d82
Signed-off-by: Timo Alho <talho@nvidia.com>
Reviewed-on: http://git-master/r/304819
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Diffstat (limited to 'drivers/edp')
| -rw-r--r-- | drivers/edp/sysedp.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/edp/sysedp.c b/drivers/edp/sysedp.c index 55ce8ea97ca2..e09eee30d98e 100644 --- a/drivers/edp/sysedp.c +++ b/drivers/edp/sysedp.c @@ -180,6 +180,21 @@ void sysedp_set_state(struct sysedp_consumer *consumer, unsigned int new_state) } EXPORT_SYMBOL(sysedp_set_state); +unsigned int sysedp_get_state(struct sysedp_consumer *consumer) +{ + unsigned int state; + if (!consumer) + return 0; + + mutex_lock(&sysedp_lock); + state = consumer->state; + mutex_unlock(&sysedp_lock); + + return state; +} +EXPORT_SYMBOL(sysedp_get_state); + + static int sysedp_probe(struct platform_device *pdev) { pdata = pdev->dev.platform_data; |