nuttx/nuttx-update
1
2
Fork 1
Code Issues 1 Pull requests 1 Projects Releases Packages Wiki Activity Actions

regulator:support always on

Browse source 
when add always on desc,the regulator is always enabled

Signed-off-by: dulibo1 <dulibo1@xiaomi.com>
This commit is contained in:
dulibo1 2023-07-13 20:47:13 +08:00 committed by Xiang Xiao
parent 5890fde1ed
commit 67aa12e762
2 changed files with 11 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
drivers/power/supply/regulator.c
View file

@ -521,6 +521,11 @@ int regulator_is_enabled(FAR struct regulator_s *regulator)
rdev = regulator->rdev;
if (rdev->desc->always_on)
{
return 1;
}
nxmutex_lock(&rdev->regulator_lock);
ret = _regulator_is_enabled(rdev);
nxmutex_unlock(&rdev->regulator_lock);
@ -634,7 +639,7 @@ int regulator_disable(FAR struct regulator_s *regulator)
goto err;
}
if (rdev->use_count == 1)
if (rdev->use_count == 1 && !rdev->desc->always_on)
{
ret = _regulator_do_disable(rdev);
if (ret < 0)
@ -813,11 +818,13 @@ regulator_register(FAR const struct regulator_desc_s *regulator_desc,
list_initialize(&rdev->consumer_list);
list_initialize(&rdev->list);
if (rdev->desc->boot_on && !_regulator_is_enabled(rdev))
if ((rdev->desc->boot_on || rdev->desc->always_on)
&& !_regulator_is_enabled(rdev))
{
_regulator_do_enable(rdev);
}
else if (!rdev->desc->boot_on && _regulator_is_enabled(rdev))
else if (!rdev->desc->boot_on && !rdev->desc->always_on
&& _regulator_is_enabled(rdev))
{
_regulator_do_disable(rdev);
}

1
include/nuttx/power/regulator.h
View file

@ -97,6 +97,7 @@ struct regulator_desc_s
unsigned int boot_on; /* true if this regulator is to be enabled
* at power up/reset
*/
unsigned int always_on;
};
struct regulator_dev_s