mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 17:40:54 +07:00
0cddc0a906
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: Greg KH <greg@kroah.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
160 lines
4.0 KiB
C
160 lines
4.0 KiB
C
/*
|
|
* LEDs triggers for power supply class
|
|
*
|
|
* Copyright © 2007 Anton Vorontsov <cbou@mail.ru>
|
|
* Copyright © 2004 Szabolcs Gyurko
|
|
* Copyright © 2003 Ian Molton <spyro@f2s.com>
|
|
*
|
|
* Modified: 2004, Oct Szabolcs Gyurko
|
|
*
|
|
* You may use this code as per GPL version 2
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/power_supply.h>
|
|
|
|
#include "power_supply.h"
|
|
|
|
/* Battery specific LEDs triggers. */
|
|
|
|
static void power_supply_update_bat_leds(struct power_supply *psy)
|
|
{
|
|
union power_supply_propval status;
|
|
|
|
if (psy->get_property(psy, POWER_SUPPLY_PROP_STATUS, &status))
|
|
return;
|
|
|
|
dev_dbg(psy->dev, "%s %d\n", __func__, status.intval);
|
|
|
|
switch (status.intval) {
|
|
case POWER_SUPPLY_STATUS_FULL:
|
|
led_trigger_event(psy->charging_full_trig, LED_FULL);
|
|
led_trigger_event(psy->charging_trig, LED_OFF);
|
|
led_trigger_event(psy->full_trig, LED_FULL);
|
|
break;
|
|
case POWER_SUPPLY_STATUS_CHARGING:
|
|
led_trigger_event(psy->charging_full_trig, LED_FULL);
|
|
led_trigger_event(psy->charging_trig, LED_FULL);
|
|
led_trigger_event(psy->full_trig, LED_OFF);
|
|
break;
|
|
default:
|
|
led_trigger_event(psy->charging_full_trig, LED_OFF);
|
|
led_trigger_event(psy->charging_trig, LED_OFF);
|
|
led_trigger_event(psy->full_trig, LED_OFF);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int power_supply_create_bat_triggers(struct power_supply *psy)
|
|
{
|
|
int rc = 0;
|
|
|
|
psy->charging_full_trig_name = kasprintf(GFP_KERNEL,
|
|
"%s-charging-or-full", psy->name);
|
|
if (!psy->charging_full_trig_name)
|
|
goto charging_full_failed;
|
|
|
|
psy->charging_trig_name = kasprintf(GFP_KERNEL,
|
|
"%s-charging", psy->name);
|
|
if (!psy->charging_trig_name)
|
|
goto charging_failed;
|
|
|
|
psy->full_trig_name = kasprintf(GFP_KERNEL, "%s-full", psy->name);
|
|
if (!psy->full_trig_name)
|
|
goto full_failed;
|
|
|
|
led_trigger_register_simple(psy->charging_full_trig_name,
|
|
&psy->charging_full_trig);
|
|
led_trigger_register_simple(psy->charging_trig_name,
|
|
&psy->charging_trig);
|
|
led_trigger_register_simple(psy->full_trig_name,
|
|
&psy->full_trig);
|
|
|
|
goto success;
|
|
|
|
full_failed:
|
|
kfree(psy->charging_trig_name);
|
|
charging_failed:
|
|
kfree(psy->charging_full_trig_name);
|
|
charging_full_failed:
|
|
rc = -ENOMEM;
|
|
success:
|
|
return rc;
|
|
}
|
|
|
|
static void power_supply_remove_bat_triggers(struct power_supply *psy)
|
|
{
|
|
led_trigger_unregister_simple(psy->charging_full_trig);
|
|
led_trigger_unregister_simple(psy->charging_trig);
|
|
led_trigger_unregister_simple(psy->full_trig);
|
|
kfree(psy->full_trig_name);
|
|
kfree(psy->charging_trig_name);
|
|
kfree(psy->charging_full_trig_name);
|
|
}
|
|
|
|
/* Generated power specific LEDs triggers. */
|
|
|
|
static void power_supply_update_gen_leds(struct power_supply *psy)
|
|
{
|
|
union power_supply_propval online;
|
|
|
|
if (psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &online))
|
|
return;
|
|
|
|
dev_dbg(psy->dev, "%s %d\n", __func__, online.intval);
|
|
|
|
if (online.intval)
|
|
led_trigger_event(psy->online_trig, LED_FULL);
|
|
else
|
|
led_trigger_event(psy->online_trig, LED_OFF);
|
|
}
|
|
|
|
static int power_supply_create_gen_triggers(struct power_supply *psy)
|
|
{
|
|
int rc = 0;
|
|
|
|
psy->online_trig_name = kasprintf(GFP_KERNEL, "%s-online", psy->name);
|
|
if (!psy->online_trig_name)
|
|
goto online_failed;
|
|
|
|
led_trigger_register_simple(psy->online_trig_name, &psy->online_trig);
|
|
|
|
goto success;
|
|
|
|
online_failed:
|
|
rc = -ENOMEM;
|
|
success:
|
|
return rc;
|
|
}
|
|
|
|
static void power_supply_remove_gen_triggers(struct power_supply *psy)
|
|
{
|
|
led_trigger_unregister_simple(psy->online_trig);
|
|
kfree(psy->online_trig_name);
|
|
}
|
|
|
|
/* Choice what triggers to create&update. */
|
|
|
|
void power_supply_update_leds(struct power_supply *psy)
|
|
{
|
|
if (psy->type == POWER_SUPPLY_TYPE_BATTERY)
|
|
power_supply_update_bat_leds(psy);
|
|
else
|
|
power_supply_update_gen_leds(psy);
|
|
}
|
|
|
|
int power_supply_create_triggers(struct power_supply *psy)
|
|
{
|
|
if (psy->type == POWER_SUPPLY_TYPE_BATTERY)
|
|
return power_supply_create_bat_triggers(psy);
|
|
return power_supply_create_gen_triggers(psy);
|
|
}
|
|
|
|
void power_supply_remove_triggers(struct power_supply *psy)
|
|
{
|
|
if (psy->type == POWER_SUPPLY_TYPE_BATTERY)
|
|
power_supply_remove_bat_triggers(psy);
|
|
else
|
|
power_supply_remove_gen_triggers(psy);
|
|
}
|