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drivers: led: lp50xx: add power management

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Enable device power management using the low-power modes of the LP50XX
family.

Signed-off-by: Mathieu Anquetin <mathieu.anquetin@groupe-cahors.com>
This commit is contained in:
Mathieu Anquetin 2023-07-19 09:23:43 +02:00 • committed by Carles Cufí
commit d6c98db2cf
1 changed files with 21 additions and 1 deletions
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22
drivers/led/lp50xx.c
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@ -17,6 +17,7 @@
#include <zephyr/drivers/led.h>
#include <zephyr/drivers/led/lp50xx.h>
#include <zephyr/kernel.h>
#include <zephyr/pm/device.h>
#include <zephyr/sys/util.h>
#include <zephyr/logging/log.h>
@ -328,6 +329,23 @@ static int lp50xx_init(const struct device *dev)
return 0;
}
#ifdef CONFIG_PM_DEVICE
static int lp50xx_pm_action(const struct device *dev,
enum pm_device_action action)
{
switch (action) {
case PM_DEVICE_ACTION_SUSPEND:
return lp50xx_enable(dev, false);
case PM_DEVICE_ACTION_RESUME:
return lp50xx_enable(dev, true);
default:
return -ENOTSUP;
}
return 0;
}
#endif /* CONFIG_PM_DEVICE */
static const struct led_driver_api lp50xx_led_api = {
.on = lp50xx_on,
.off = lp50xx_off,
@ -375,9 +393,11 @@ static const struct led_driver_api lp50xx_led_api = {
.chan_buf = lp##id##_chan_buf_##n, \
}; \
\
PM_DEVICE_DT_INST_DEFINE(n, lp50xx_pm_action); \
\
DEVICE_DT_INST_DEFINE(n, \
lp50xx_init, \
NULL, \
PM_DEVICE_DT_INST_GET(n), \
&lp##id##_data_##n, \
&lp##id##_config_##n, \
POST_KERNEL, CONFIG_LED_INIT_PRIORITY, \