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-rw-r--r--drivers/acpi/ac.c4
-rw-r--r--drivers/acpi/acpi_video.c31
-rw-r--r--drivers/acpi/battery.c24
3 files changed, 18 insertions, 41 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index db487ff9dd1b..c29e41bfcf35 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -32,7 +32,6 @@ MODULE_AUTHOR("Paul Diefenbaugh");
MODULE_DESCRIPTION("ACPI AC Adapter Driver");
MODULE_LICENSE("GPL");
-
static int acpi_ac_add(struct acpi_device *device);
static int acpi_ac_remove(struct acpi_device *device);
static void acpi_ac_notify(struct acpi_device *device, u32 event);
@@ -125,6 +124,7 @@ static int get_ac_property(struct power_supply *psy,
default:
return -EINVAL;
}
+
return 0;
}
@@ -286,6 +286,7 @@ static int acpi_ac_resume(struct device *dev)
return 0;
if (old_state != ac->state)
kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);
+
return 0;
}
#else
@@ -296,7 +297,6 @@ static int acpi_ac_remove(struct acpi_device *device)
{
struct acpi_ac *ac = NULL;
-
if (!device || !acpi_driver_data(device))
return -EINVAL;
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 990ff5b0aeb8..e07782b1fbb6 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -1707,24 +1707,23 @@ static int acpi_video_resume(struct notifier_block *nb,
int i;
switch (val) {
- case PM_HIBERNATION_PREPARE:
- case PM_SUSPEND_PREPARE:
- case PM_RESTORE_PREPARE:
- return NOTIFY_DONE;
- }
-
- video = container_of(nb, struct acpi_video_bus, pm_nb);
-
- dev_info(&video->device->dev, "Restoring backlight state\n");
+ case PM_POST_HIBERNATION:
+ case PM_POST_SUSPEND:
+ case PM_POST_RESTORE:
+ video = container_of(nb, struct acpi_video_bus, pm_nb);
+
+ dev_info(&video->device->dev, "Restoring backlight state\n");
+
+ for (i = 0; i < video->attached_count; i++) {
+ video_device = video->attached_array[i].bind_info;
+ if (video_device && video_device->brightness)
+ acpi_video_device_lcd_set_level(video_device,
+ video_device->brightness->curr);
+ }
- for (i = 0; i < video->attached_count; i++) {
- video_device = video->attached_array[i].bind_info;
- if (video_device && video_device->brightness)
- acpi_video_device_lcd_set_level(video_device,
- video_device->brightness->curr);
+ return NOTIFY_OK;
}
-
- return NOTIFY_OK;
+ return NOTIFY_DONE;
}
static acpi_status
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index dc208f5f5a1f..306513fec1e1 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -52,7 +52,6 @@ static bool battery_driver_registered;
static int battery_bix_broken_package;
static int battery_notification_delay_ms;
static int battery_ac_is_broken;
-static int battery_quirk_notcharging;
static unsigned int cache_time = 1000;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
@@ -216,10 +215,8 @@ static int acpi_battery_get_property(struct power_supply *psy,
val->intval = POWER_SUPPLY_STATUS_CHARGING;
else if (acpi_battery_is_charged(battery))
val->intval = POWER_SUPPLY_STATUS_FULL;
- else if (battery_quirk_notcharging)
- val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
else
- val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
+ val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
break;
case POWER_SUPPLY_PROP_PRESENT:
val->intval = acpi_battery_present(battery);
@@ -1105,12 +1102,6 @@ battery_ac_is_broken_quirk(const struct dmi_system_id *d)
return 0;
}
-static int __init battery_quirk_not_charging(const struct dmi_system_id *d)
-{
- battery_quirk_notcharging = 1;
- return 0;
-}
-
static const struct dmi_system_id bat_dmi_table[] __initconst = {
{
/* NEC LZ750/LS */
@@ -1140,19 +1131,6 @@ static const struct dmi_system_id bat_dmi_table[] __initconst = {
},
},
{
- /*
- * On Lenovo ThinkPads the BIOS specification defines
- * a state when the bits for charging and discharging
- * are both set to 0. That state is "Not Charging".
- */
- .callback = battery_quirk_not_charging,
- .ident = "Lenovo ThinkPad",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad"),
- },
- },
- {
/* Microsoft Surface Go 3 */
.callback = battery_notification_delay_quirk,
.matches = {