redonkable/alistair23-linux
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Merge branches 'acpi-battery' and 'acpi-video'

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* acpi-battery:
  ACPI / AC: recheck adapter status upon battery status changes
  ACPI / battery: call ACPI notifier chain in acpi_battery_notify
  ACPI / battery: move some ACPI_BATTERY_* definitions to header

* acpi-video:
  video / output: Drop display output class support
  fujitsu-laptop: Drop unneeded include
  acer-wmi: Stop selecting VIDEO_OUTPUT_CONTROL
  ACPI / gpu / drm: Stop selecting VIDEO_OUTPUT_CONTROL
  ACPI / video: fix ACPI_VIDEO dependencies
This commit is contained in:
Rafael J. Wysocki 2014-03-20 13:21:44 +01:00
parent e25c5abf41 4eee4f03ce f167a64e9d
commit 94a81caca3
14 changed files with 41 additions and 211 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/acpi/Kconfig
View file

@ -102,7 +102,7 @@ config ACPI_BUTTON
config ACPI_VIDEO
tristate "Video"
depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL
depends on X86 && BACKLIGHT_CLASS_DEVICE
depends on INPUT
select THERMAL
help

25
drivers/acpi/ac.c
View file

@ -33,6 +33,7 @@
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/acpi.h>
#include "battery.h"
#define PREFIX "ACPI: "
@ -57,6 +58,7 @@ struct acpi_ac {
struct power_supply charger;
struct platform_device *pdev;
unsigned long long state;
struct notifier_block battery_nb;
};
#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
@ -152,6 +154,26 @@ static void acpi_ac_notify_handler(acpi_handle handle, u32 event, void *data)
return;
}
static int acpi_ac_battery_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct acpi_ac *ac = container_of(nb, struct acpi_ac, battery_nb);
struct acpi_bus_event *event = (struct acpi_bus_event *)data;
/*
* On HP Pavilion dv6-6179er AC status notifications aren't triggered
* when adapter is plugged/unplugged. However, battery status
* notifcations are triggered when battery starts charging or
* discharging. Re-reading AC status triggers lost AC notifications,
* if AC status has changed.
*/
if (strcmp(event->device_class, ACPI_BATTERY_CLASS) == 0 &&
event->type == ACPI_BATTERY_NOTIFY_STATUS)
acpi_ac_get_state(ac);
return NOTIFY_OK;
}
static int thinkpad_e530_quirk(const struct dmi_system_id *d)
{
ac_sleep_before_get_state_ms = 1000;
@ -215,6 +237,8 @@ static int acpi_ac_probe(struct platform_device *pdev)
acpi_device_name(adev), acpi_device_bid(adev),
ac->state ? "on-line" : "off-line");
ac->battery_nb.notifier_call = acpi_ac_battery_notify;
register_acpi_notifier(&ac->battery_nb);
end:
if (result)
kfree(ac);
@ -261,6 +285,7 @@ static int acpi_ac_remove(struct platform_device *pdev)
ac = platform_get_drvdata(pdev);
if (ac->charger.dev)
power_supply_unregister(&ac->charger);
unregister_acpi_notifier(&ac->battery_nb);
kfree(ac);

7
drivers/acpi/battery.c
View file

@ -39,15 +39,13 @@
#include <linux/acpi.h>
#include <linux/power_supply.h>
#include "battery.h"
#define PREFIX "ACPI: "
#define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF
#define ACPI_BATTERY_CLASS "battery"
#define ACPI_BATTERY_DEVICE_NAME "Battery"
#define ACPI_BATTERY_NOTIFY_STATUS 0x80
#define ACPI_BATTERY_NOTIFY_INFO 0x81
#define ACPI_BATTERY_NOTIFY_THRESHOLD 0x82
/* Battery power unit: 0 means mW, 1 means mA */
#define ACPI_BATTERY_POWER_UNIT_MA 1
@ -736,6 +734,7 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event)
acpi_bus_generate_netlink_event(device->pnp.device_class,
dev_name(&device->dev), event,
acpi_battery_present(battery));
acpi_notifier_call_chain(device, event, acpi_battery_present(battery));
/* acpi_battery_update could remove power_supply object */
if (old && battery->bat.dev)
power_supply_changed(&battery->bat);

10
drivers/acpi/battery.h Normal file
View file

@ -0,0 +1,10 @@
#ifndef __ACPI_BATTERY_H
#define __ACPI_BATTERY_H
#define ACPI_BATTERY_CLASS "battery"
#define ACPI_BATTERY_NOTIFY_STATUS 0x80
#define ACPI_BATTERY_NOTIFY_INFO 0x81
#define ACPI_BATTERY_NOTIFY_THRESHOLD 0x82
#endif

2
drivers/acpi/sbs.c
View file

@ -37,12 +37,12 @@
#include <linux/power_supply.h>
#include "sbshc.h"
#include "battery.h"
#define PREFIX "ACPI: "
#define ACPI_SBS_CLASS "sbs"
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_BATTERY_CLASS "battery"
#define ACPI_SBS_DEVICE_NAME "Smart Battery System"
#define ACPI_SBS_FILE_INFO "info"
#define ACPI_SBS_FILE_STATE "state"

1
drivers/gpu/drm/gma500/Kconfig
View file

@ -10,7 +10,6 @@ config DRM_GMA500
# GMA500 depends on ACPI_VIDEO when ACPI is enabled, just like i915
select ACPI_VIDEO if ACPI
select BACKLIGHT_CLASS_DEVICE if ACPI
select VIDEO_OUTPUT_CONTROL if ACPI
select INPUT if ACPI
help
Say yes for an experimental 2D KMS framebuffer driver for the

1
drivers/gpu/drm/i915/Kconfig
View file

@ -14,7 +14,6 @@ config DRM_I915
# but for select to work, need to select ACPI_VIDEO's dependencies, ick
select BACKLIGHT_LCD_SUPPORT if ACPI
select BACKLIGHT_CLASS_DEVICE if ACPI
select VIDEO_OUTPUT_CONTROL if ACPI
select INPUT if ACPI
select ACPI_VIDEO if ACPI
select ACPI_BUTTON if ACPI

3
drivers/gpu/drm/nouveau/Kconfig
View file

@ -11,7 +11,7 @@ config DRM_NOUVEAU
select FB
select FRAMEBUFFER_CONSOLE if !EXPERT
select FB_BACKLIGHT if DRM_NOUVEAU_BACKLIGHT
select ACPI_VIDEO if ACPI && X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL && INPUT
select ACPI_VIDEO if ACPI && X86 && BACKLIGHT_CLASS_DEVICE && INPUT
select X86_PLATFORM_DEVICES if ACPI && X86
select ACPI_WMI if ACPI && X86
select MXM_WMI if ACPI && X86
@ -19,7 +19,6 @@ config DRM_NOUVEAU
# Similar to i915, we need to select ACPI_VIDEO and it's dependencies
select BACKLIGHT_LCD_SUPPORT if ACPI && X86
select BACKLIGHT_CLASS_DEVICE if ACPI && X86
select VIDEO_OUTPUT_CONTROL if ACPI && X86
select INPUT if ACPI && X86
select THERMAL if ACPI && X86
select ACPI_VIDEO if ACPI && X86

2
drivers/platform/x86/Kconfig
View file

@ -27,8 +27,6 @@ config ACER_WMI
depends on ACPI_WMI
select INPUT_SPARSEKMAP
# Acer WMI depends on ACPI_VIDEO when ACPI is enabled
# but for select to work, need to select ACPI_VIDEO's dependencies, ick
select VIDEO_OUTPUT_CONTROL if ACPI
select ACPI_VIDEO if ACPI
---help---
This is a driver for newer Acer (and Wistron) laptops. It adds

1
drivers/platform/x86/fujitsu-laptop.c
View file

@ -66,7 +66,6 @@
#include <linux/backlight.h>
#include <linux/input.h>
#include <linux/kfifo.h>
#include <linux/video_output.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)

6
drivers/video/Kconfig
View file

@ -27,12 +27,6 @@ config VGASTATE
tristate
default n
config VIDEO_OUTPUT_CONTROL
tristate "Lowlevel video output switch controls"
help
This framework adds support for low-level control of the video
output switch.
config VIDEOMODE_HELPERS
bool

2
drivers/video/Makefile
View file

@ -172,8 +172,6 @@ obj-$(CONFIG_FB_SIMPLE) += simplefb.o
# the test framebuffer is last
obj-$(CONFIG_FB_VIRTUAL) += vfb.o
#video output switch sysfs driver
obj-$(CONFIG_VIDEO_OUTPUT_CONTROL) += output.o
obj-$(CONFIG_VIDEOMODE_HELPERS) += display_timing.o videomode.o
ifeq ($(CONFIG_OF),y)
obj-$(CONFIG_VIDEOMODE_HELPERS) += of_display_timing.o of_videomode.o

133
drivers/video/output.c
View file

@ -1,133 +0,0 @@
/*
* output.c - Display Output Switch driver
*
* Copyright (C) 2006 Luming Yu <luming.yu@intel.com>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/module.h>
#include <linux/video_output.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/ctype.h>
MODULE_DESCRIPTION("Display Output Switcher Lowlevel Control Abstraction");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Luming Yu <luming.yu@intel.com>");
static ssize_t state_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
ssize_t ret_size = 0;
struct output_device *od = to_output_device(dev);
if (od->props)
ret_size = sprintf(buf,"%.8x\n",od->props->get_status(od));
return ret_size;
}
static ssize_t state_store(struct device *dev, struct device_attribute *attr,
const char *buf,size_t count)
{
char *endp;
struct output_device *od = to_output_device(dev);
int request_state = simple_strtoul(buf,&endp,0);
size_t size = endp - buf;
if (isspace(*endp))
size++;
if (size != count)
return -EINVAL;
if (od->props) {
od->request_state = request_state;
od->props->set_state(od);
}
return count;
}
static DEVICE_ATTR_RW(state);
static void video_output_release(struct device *dev)
{
struct output_device *od = to_output_device(dev);
kfree(od);
}
static struct attribute *video_output_attrs[] = {
&dev_attr_state.attr,
NULL,
};
ATTRIBUTE_GROUPS(video_output);
static struct class video_output_class = {
.name = "video_output",
.dev_release = video_output_release,
.dev_groups = video_output_groups,
};
struct output_device *video_output_register(const char *name,
struct device *dev,
void *devdata,
struct output_properties *op)
{
struct output_device *new_dev;
int ret_code = 0;
new_dev = kzalloc(sizeof(struct output_device),GFP_KERNEL);
if (!new_dev) {
ret_code = -ENOMEM;
goto error_return;
}
new_dev->props = op;
new_dev->dev.class = &video_output_class;
new_dev->dev.parent = dev;
dev_set_name(&new_dev->dev, "%s", name);
dev_set_drvdata(&new_dev->dev, devdata);
ret_code = device_register(&new_dev->dev);
if (ret_code) {
kfree(new_dev);
goto error_return;
}
return new_dev;
error_return:
return ERR_PTR(ret_code);
}
EXPORT_SYMBOL(video_output_register);
void video_output_unregister(struct output_device *dev)
{
if (!dev)
return;
device_unregister(&dev->dev);
}
EXPORT_SYMBOL(video_output_unregister);
static void __exit video_output_class_exit(void)
{
class_unregister(&video_output_class);
}
static int __init video_output_class_init(void)
{
return class_register(&video_output_class);
}
postcore_initcall(video_output_class_init);
module_exit(video_output_class_exit);

57
include/linux/video_output.h
View file

@ -1,57 +0,0 @@
/*
*
* Copyright (C) 2006 Luming Yu <luming.yu@intel.com>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef _LINUX_VIDEO_OUTPUT_H
#define _LINUX_VIDEO_OUTPUT_H
#include <linux/device.h>
#include <linux/err.h>
struct output_device;
struct output_properties {
int (*set_state)(struct output_device *);
int (*get_status)(struct output_device *);
};
struct output_device {
int request_state;
struct output_properties *props;
struct device dev;
};
#define to_output_device(obj) container_of(obj, struct output_device, dev)
#if defined(CONFIG_VIDEO_OUTPUT_CONTROL) || defined(CONFIG_VIDEO_OUTPUT_CONTROL_MODULE)
struct output_device *video_output_register(const char *name,
struct device *dev,
void *devdata,
struct output_properties *op);
void video_output_unregister(struct output_device *dev);
#else
static struct output_device *video_output_register(const char *name,
struct device *dev,
void *devdata,
struct output_properties *op)
{
return ERR_PTR(-ENODEV);
}
static void video_output_unregister(struct output_device *dev)
{
return;
}
#endif
#endif