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Merge branches 'acpi-button', 'acpi-battery' and 'acpi-osi' 

Merge updates of the ACPI battery and button drivers and support for
a new OEM _OSI string for 4.19.

* acpi-button:
  ACPI / button: fix defined but not used warning
  ACPI / button: increment wakeup count only when notified

* acpi-battery:
  ACPI / battery: Do not export energy_full[_design] on devices without full_charge_capacity
  ACPI / battery: get rid of negations in conditions
  ACPI / battery: use specialized print macros
  ACPI / battery: reorder headers alphabetically
  ACPI / battery: drop inclusion of init.h
  ACPI: battery: remove redundant old_present check on insertion

* acpi-osi:
  ACPI / OSI: Add OEM _OSI string to enable NVidia HDMI audio
This commit is contained in:
Rafael J. Wysocki 2018-08-14 10:17:28 +02:00
parent 3c94280456 2c4c2a71bd b41901a2cf 887532ca7c
commit 76f7d6c07a
3 changed files with 62 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
drivers/acpi/battery.c
View File

@ -23,18 +23,18 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/async.h>
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/jiffies.h>
#include <linux/async.h>
#include <linux/dmi.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/suspend.h>
#include <linux/types.h>
#include <asm/unaligned.h>
#ifdef CONFIG_ACPI_PROCFS_POWER
@ -364,6 +364,20 @@ static enum power_supply_property energy_battery_props[] = {
POWER_SUPPLY_PROP_SERIAL_NUMBER,
};
static enum power_supply_property energy_battery_full_cap_broken_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_TECHNOLOGY,
POWER_SUPPLY_PROP_CYCLE_COUNT,
POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_POWER_NOW,
POWER_SUPPLY_PROP_ENERGY_NOW,
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_MANUFACTURER,
POWER_SUPPLY_PROP_SERIAL_NUMBER,
};
/* --------------------------------------------------------------------------
Battery Management
-------------------------------------------------------------------------- */
@ -577,8 +591,7 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
battery->rate_now != ACPI_BATTERY_VALUE_UNKNOWN &&
(s16)(battery->rate_now) < 0) {
battery->rate_now = abs((s16)battery->rate_now);
printk_once(KERN_WARNING FW_BUG
"battery: (dis)charge rate invalid.\n");
pr_warn_once(FW_BUG "battery: (dis)charge rate invalid.\n");
}
if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)
@ -799,6 +812,11 @@ static int sysfs_add_battery(struct acpi_battery *battery)
battery->bat_desc.properties = charge_battery_props;
battery->bat_desc.num_properties =
ARRAY_SIZE(charge_battery_props);
} else if (battery->full_charge_capacity == 0) {
battery->bat_desc.properties =
energy_battery_full_cap_broken_props;
battery->bat_desc.num_properties =
ARRAY_SIZE(energy_battery_full_cap_broken_props);
} else {
battery->bat_desc.properties = energy_battery_props;
battery->bat_desc.num_properties =
@ -918,10 +936,11 @@ static void acpi_battery_quirks(struct acpi_battery *battery)
static int acpi_battery_update(struct acpi_battery *battery, bool resume)
{
int result, old_present = acpi_battery_present(battery);
result = acpi_battery_get_status(battery);
int result = acpi_battery_get_status(battery);
if (result)
return result;
if (!acpi_battery_present(battery)) {
sysfs_remove_battery(battery);
battery->update_time = 0;
@ -931,8 +950,7 @@ static int acpi_battery_update(struct acpi_battery *battery, bool resume)
if (resume)
return 0;
if (!battery->update_time ||
old_present != acpi_battery_present(battery)) {
if (!battery->update_time) {
result = acpi_battery_get_info(battery);
if (result)
return result;
@ -1021,7 +1039,7 @@ static int acpi_battery_info_proc_show(struct seq_file *seq, void *offset)
acpi_battery_units(battery));
seq_printf(seq, "battery technology: %srechargeable\n",
(!battery->technology)?"non-":"");
battery->technology ? "" : "non-");
if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN)
seq_printf(seq, "design voltage: unknown\n");
@ -1112,11 +1130,12 @@ static int acpi_battery_alarm_proc_show(struct seq_file *seq, void *offset)
goto end;
}
seq_printf(seq, "alarm: ");
if (!battery->alarm)
seq_printf(seq, "unsupported\n");
else
if (battery->alarm) {
seq_printf(seq, "%u %sh\n", battery->alarm,
acpi_battery_units(battery));
} else {
seq_printf(seq, "unsupported\n");
}
end:
if (result)
seq_printf(seq, "ERROR: Unable to read battery alarm\n");
@ -1149,9 +1168,9 @@ static ssize_t acpi_battery_write_alarm(struct file *file,
}
result = acpi_battery_set_alarm(battery);
end:
if (!result)
return count;
return result;
if (result)
return result;
return count;
}
static int acpi_battery_alarm_proc_open(struct inode *inode, struct file *file)
@ -1170,8 +1189,7 @@ static const struct file_operations acpi_battery_alarm_fops = {
static int acpi_battery_add_fs(struct acpi_device *device)
{
printk(KERN_WARNING PREFIX "Deprecated procfs I/F for battery is loaded,"
" please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
pr_warning(PREFIX "Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_battery_dir);
@ -1247,7 +1265,9 @@ static int battery_notify(struct notifier_block *nb,
if (!acpi_battery_present(battery))
return 0;
if (!battery->bat) {
if (battery->bat) {
acpi_battery_refresh(battery);
} else {
result = acpi_battery_get_info(battery);
if (result)
return result;
@ -1255,8 +1275,7 @@ static int battery_notify(struct notifier_block *nb,
result = sysfs_add_battery(battery);
if (result)
return result;
} else
acpi_battery_refresh(battery);
}
acpi_battery_init_alarm(battery);
acpi_battery_get_state(battery);
@ -1398,7 +1417,7 @@ static int acpi_battery_add(struct acpi_device *device)
}
#endif
printk(KERN_INFO PREFIX "%s Slot [%s] (battery %s)\n",
pr_info(PREFIX "%s Slot [%s] (battery %s)\n",
ACPI_BATTERY_DEVICE_NAME, acpi_device_bid(device),
device->status.battery_present ? "present" : "absent");

17
drivers/acpi/button.c
View File

@ -21,6 +21,7 @@
#define pr_fmt(fmt) "ACPI: button: " fmt
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@ -235,9 +236,6 @@ static int acpi_lid_notify_state(struct acpi_device *device, int state)
button->last_time = ktime_get();
}
if (state)
acpi_pm_wakeup_event(&device->dev);
ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device);
if (ret == NOTIFY_DONE)
ret = blocking_notifier_call_chain(&acpi_lid_notifier, state,
@ -252,7 +250,8 @@ static int acpi_lid_notify_state(struct acpi_device *device, int state)
return ret;
}
static int acpi_button_state_seq_show(struct seq_file *seq, void *offset)
static int __maybe_unused acpi_button_state_seq_show(struct seq_file *seq,
void *offset)
{
struct acpi_device *device = seq->private;
int state;
@ -366,7 +365,8 @@ int acpi_lid_open(void)
}
EXPORT_SYMBOL(acpi_lid_open);
static int acpi_lid_update_state(struct acpi_device *device)
static int acpi_lid_update_state(struct acpi_device *device,
bool signal_wakeup)
{
int state;
@ -374,6 +374,9 @@ static int acpi_lid_update_state(struct acpi_device *device)
if (state < 0)
return state;
if (state && signal_wakeup)
acpi_pm_wakeup_event(&device->dev);
return acpi_lid_notify_state(device, state);
}
@ -384,7 +387,7 @@ static void acpi_lid_initialize_state(struct acpi_device *device)
(void)acpi_lid_notify_state(device, 1);
break;
case ACPI_BUTTON_LID_INIT_METHOD:
(void)acpi_lid_update_state(device);
(void)acpi_lid_update_state(device, false);
break;
case ACPI_BUTTON_LID_INIT_IGNORE:
default:
@ -409,7 +412,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
users = button->input->users;
mutex_unlock(&button->input->mutex);
if (users)
acpi_lid_update_state(device);
acpi_lid_update_state(device, true);
} else {
int keycode;

8
drivers/acpi/osi.c
View File

@ -66,6 +66,14 @@ osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = {
* be removed if both new and old graphics cards are supported.
*/
{"Linux-Dell-Video", true},
/*
* Linux-Lenovo-NV-HDMI-Audio is used by BIOS to power on NVidia's HDMI
* audio device which is turned off for power-saving in Windows OS.
* This power management feature observed on some Lenovo Thinkpad
* systems which will not be able to output audio via HDMI without
* a BIOS workaround.
*/
{"Linux-Lenovo-NV-HDMI-Audio", true},
};
static u32 acpi_osi_handler(acpi_string interface, u32 supported)